./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX --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 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:26:42,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:26:42,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-08 18:26:42,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:26:42,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:26:42,974 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:26:42,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:26:42,975 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:26:42,977 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:26:42,978 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:26:42,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:26:42,979 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:26:42,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:26:42,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:26:42,983 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:26:42,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:26:42,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:26:42,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:26:42,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:26:42,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:26:42,986 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 18:26:42,990 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 18:26:42,991 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 18:26:42,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:26:42,991 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:26:42,992 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:26:42,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:26:42,992 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:26:42,993 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:26:42,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:26:42,995 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:26:42,995 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:26:42,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:26:42,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:26:42,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:26:42,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:26:42,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:26:42,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:26:42,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:26:42,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:26:43,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:26:43,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:26:43,001 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 [2024-11-08 18:26:43,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:26:43,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:26:43,335 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:26:43,337 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:26:43,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:26:43,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i Unable to find full path for "g++" [2024-11-08 18:26:45,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:26:45,870 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:26:45,871 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-08 18:26:45,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data/fc45b1562/a5fcd43942b74c9082745f4d743aee8f/FLAGabac8e1a2 [2024-11-08 18:26:45,937 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data/fc45b1562/a5fcd43942b74c9082745f4d743aee8f [2024-11-08 18:26:45,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:26:45,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:26:45,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:26:45,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:26:45,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:26:45,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:26:45" (1/1) ... [2024-11-08 18:26:45,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@287e671c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:45, skipping insertion in model container [2024-11-08 18:26:45,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:26:45" (1/1) ... [2024-11-08 18:26:46,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:26:46,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:26:46,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:26:46,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:26:46,835 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:26:46,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46 WrapperNode [2024-11-08 18:26:46,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:26:46,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:26:46,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:26:46,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:26:46,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:46,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:46,931 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 131 [2024-11-08 18:26:46,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:26:46,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:26:46,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:26:46,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:26:46,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:46,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:46,980 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,001 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]. [2024-11-08 18:26:47,001 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,002 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,035 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:26:47,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:26:47,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:26:47,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:26:47,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (1/1) ... [2024-11-08 18:26:47,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:26:47,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:26:47,093 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:26:47,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:26:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 18:26:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:26:47,140 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 18:26:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 18:26:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 18:26:47,141 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 18:26:47,141 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-08 18:26:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-08 18:26:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-08 18:26:47,142 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-08 18:26:47,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:26:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 18:26:47,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:26:47,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:26:47,145 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 18:26:47,319 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:26:47,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:26:47,838 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:26:47,838 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:26:48,162 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:26:48,162 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:26:48,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:26:48 BoogieIcfgContainer [2024-11-08 18:26:48,163 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:26:48,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:26:48,168 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:26:48,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:26:48,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:26:45" (1/3) ... [2024-11-08 18:26:48,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b2ac38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:26:48, skipping insertion in model container [2024-11-08 18:26:48,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:26:46" (2/3) ... [2024-11-08 18:26:48,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b2ac38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:26:48, skipping insertion in model container [2024-11-08 18:26:48,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:26:48" (3/3) ... [2024-11-08 18:26:48,179 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-08 18:26:48,203 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:26:48,203 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-08 18:26:48,203 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 18:26:48,284 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 18:26:48,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 122 flow [2024-11-08 18:26:48,410 INFO L124 PetriNetUnfolderBase]: 2/49 cut-off events. [2024-11-08 18:26:48,411 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:26:48,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 49 events. 2/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-08 18:26:48,420 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 53 transitions, 122 flow [2024-11-08 18:26:48,427 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 49 transitions, 110 flow [2024-11-08 18:26:48,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:26:48,455 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;@65320ff9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:26:48,455 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-08 18:26:48,463 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 18:26:48,464 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-08 18:26:48,464 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:26:48,464 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:26:48,465 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 18:26:48,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:26:48,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:26:48,475 INFO L85 PathProgramCache]: Analyzing trace with hash 12738587, now seen corresponding path program 1 times [2024-11-08 18:26:48,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:26:48,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433099557] [2024-11-08 18:26:48,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:26:48,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:26:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:26:49,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:26:49,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433099557] [2024-11-08 18:26:49,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433099557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:26:49,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:26:49,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:26:49,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32529734] [2024-11-08 18:26:49,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:26:49,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:26:49,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:26:49,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:26:49,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:26:49,204 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 53 [2024-11-08 18:26:49,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2024-11-08 18:26:49,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:26:49,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 53 [2024-11-08 18:26:49,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:26:50,957 INFO L124 PetriNetUnfolderBase]: 3311/5456 cut-off events. [2024-11-08 18:26:50,958 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-08 18:26:50,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10136 conditions, 5456 events. 3311/5456 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 39587 event pairs, 593 based on Foata normal form. 288/5705 useless extension candidates. Maximal degree in co-relation 10124. Up to 3661 conditions per place. [2024-11-08 18:26:51,017 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 41 selfloop transitions, 2 changer transitions 2/65 dead transitions. [2024-11-08 18:26:51,018 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 65 transitions, 241 flow [2024-11-08 18:26:51,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:26:51,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:26:51,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-11-08 18:26:51,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7672955974842768 [2024-11-08 18:26:51,037 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 110 flow. Second operand 3 states and 122 transitions. [2024-11-08 18:26:51,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 65 transitions, 241 flow [2024-11-08 18:26:51,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 65 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-08 18:26:51,050 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 100 flow [2024-11-08 18:26:51,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-08 18:26:51,061 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-11-08 18:26:51,062 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 100 flow [2024-11-08 18:26:51,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2024-11-08 18:26:51,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:26:51,063 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:26:51,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:26:51,064 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:26:51,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:26:51,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1313777391, now seen corresponding path program 1 times [2024-11-08 18:26:51,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:26:51,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635503552] [2024-11-08 18:26:51,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:26:51,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:26:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:26:51,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:26:51,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635503552] [2024-11-08 18:26:51,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635503552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:26:51,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:26:51,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:26:51,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973704502] [2024-11-08 18:26:51,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:26:51,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:26:51,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:26:51,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:26:51,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:26:51,250 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 53 [2024-11-08 18:26:51,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-08 18:26:51,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:26:51,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 53 [2024-11-08 18:26:51,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:26:52,596 INFO L124 PetriNetUnfolderBase]: 2903/4911 cut-off events. [2024-11-08 18:26:52,596 INFO L125 PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES. [2024-11-08 18:26:52,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 4911 events. 2903/4911 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 34953 event pairs, 2903 based on Foata normal form. 144/4916 useless extension candidates. Maximal degree in co-relation 9305. Up to 4016 conditions per place. [2024-11-08 18:26:52,640 INFO L140 encePairwiseOnDemand]: 51/53 looper letters, 22 selfloop transitions, 1 changer transitions 1/43 dead transitions. [2024-11-08 18:26:52,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 146 flow [2024-11-08 18:26:52,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:26:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:26:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-11-08 18:26:52,642 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5911949685534591 [2024-11-08 18:26:52,642 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 94 transitions. [2024-11-08 18:26:52,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 146 flow [2024-11-08 18:26:52,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:26:52,645 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 94 flow [2024-11-08 18:26:52,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-11-08 18:26:52,646 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-11-08 18:26:52,646 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 94 flow [2024-11-08 18:26:52,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-08 18:26:52,647 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:26:52,647 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:26:52,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:26:52,648 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:26:52,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:26:52,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1313776076, now seen corresponding path program 1 times [2024-11-08 18:26:52,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:26:52,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112309785] [2024-11-08 18:26:52,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:26:52,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:26:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:52,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:26:52,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:26:52,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112309785] [2024-11-08 18:26:52,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112309785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:26:52,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:26:52,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:26:52,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130766027] [2024-11-08 18:26:52,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:26:52,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:26:52,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:26:52,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:26:52,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:26:52,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:26:52,986 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-08 18:26:52,986 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:26:52,986 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:26:52,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:26:55,789 INFO L124 PetriNetUnfolderBase]: 8875/13615 cut-off events. [2024-11-08 18:26:55,789 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:26:55,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25937 conditions, 13615 events. 8875/13615 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 747. Compared 95754 event pairs, 1033 based on Foata normal form. 400/13929 useless extension candidates. Maximal degree in co-relation 25931. Up to 7301 conditions per place. [2024-11-08 18:26:55,913 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 53 selfloop transitions, 6 changer transitions 1/74 dead transitions. [2024-11-08 18:26:55,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 74 transitions, 284 flow [2024-11-08 18:26:55,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:26:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 18:26:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 138 transitions. [2024-11-08 18:26:55,916 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6509433962264151 [2024-11-08 18:26:55,916 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 94 flow. Second operand 4 states and 138 transitions. [2024-11-08 18:26:55,916 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 74 transitions, 284 flow [2024-11-08 18:26:55,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 74 transitions, 283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:26:55,921 INFO L231 Difference]: Finished difference. Result has 57 places, 46 transitions, 135 flow [2024-11-08 18:26:55,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2024-11-08 18:26:55,923 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-08 18:26:55,924 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 135 flow [2024-11-08 18:26:55,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-08 18:26:55,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:26:55,925 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:26:55,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 18:26:55,926 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:26:55,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:26:55,928 INFO L85 PathProgramCache]: Analyzing trace with hash 218433637, now seen corresponding path program 1 times [2024-11-08 18:26:55,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:26:55,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352426039] [2024-11-08 18:26:55,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:26:55,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:26:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:26:56,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:26:56,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352426039] [2024-11-08 18:26:56,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352426039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:26:56,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:26:56,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:26:56,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384514055] [2024-11-08 18:26:56,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:26:56,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:26:56,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:26:56,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:26:56,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:26:56,366 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:26:56,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:26:56,367 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:26:56,367 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:26:56,367 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:26:58,715 INFO L124 PetriNetUnfolderBase]: 6751/10375 cut-off events. [2024-11-08 18:26:58,715 INFO L125 PetriNetUnfolderBase]: For 2392/2392 co-relation queries the response was YES. [2024-11-08 18:26:58,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23232 conditions, 10375 events. 6751/10375 cut-off events. For 2392/2392 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 68996 event pairs, 451 based on Foata normal form. 364/10657 useless extension candidates. Maximal degree in co-relation 23223. Up to 4601 conditions per place. [2024-11-08 18:26:58,831 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 68 selfloop transitions, 10 changer transitions 1/93 dead transitions. [2024-11-08 18:26:58,832 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 93 transitions, 416 flow [2024-11-08 18:26:58,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:26:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 18:26:58,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-08 18:26:58,958 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6641509433962264 [2024-11-08 18:26:58,959 INFO L175 Difference]: Start difference. First operand has 57 places, 46 transitions, 135 flow. Second operand 5 states and 176 transitions. [2024-11-08 18:26:58,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 93 transitions, 416 flow [2024-11-08 18:26:58,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 93 transitions, 405 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 18:26:58,968 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 187 flow [2024-11-08 18:26:58,971 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-11-08 18:26:58,971 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places. [2024-11-08 18:26:58,972 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 187 flow [2024-11-08 18:26:58,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:26:58,972 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:26:58,973 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:26:58,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 18:26:58,975 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:26:58,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:26:58,975 INFO L85 PathProgramCache]: Analyzing trace with hash 405272437, now seen corresponding path program 1 times [2024-11-08 18:26:58,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:26:58,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146697290] [2024-11-08 18:26:58,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:26:58,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:26:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:26:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:26:59,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:26:59,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146697290] [2024-11-08 18:26:59,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146697290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:26:59,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:26:59,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:26:59,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053707151] [2024-11-08 18:26:59,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:26:59,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:26:59,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:26:59,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:26:59,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:26:59,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:26:59,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:26:59,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:26:59,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:26:59,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:00,743 INFO L124 PetriNetUnfolderBase]: 4259/6431 cut-off events. [2024-11-08 18:27:00,743 INFO L125 PetriNetUnfolderBase]: For 4590/4590 co-relation queries the response was YES. [2024-11-08 18:27:00,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16274 conditions, 6431 events. 4259/6431 cut-off events. For 4590/4590 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 37171 event pairs, 289 based on Foata normal form. 244/6593 useless extension candidates. Maximal degree in co-relation 16263. Up to 1788 conditions per place. [2024-11-08 18:27:00,785 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 81 selfloop transitions, 14 changer transitions 1/110 dead transitions. [2024-11-08 18:27:00,785 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 110 transitions, 547 flow [2024-11-08 18:27:00,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:27:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:27:00,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 212 transitions. [2024-11-08 18:27:00,787 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-08 18:27:00,787 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 187 flow. Second operand 6 states and 212 transitions. [2024-11-08 18:27:00,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 110 transitions, 547 flow [2024-11-08 18:27:00,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 110 transitions, 517 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-08 18:27:00,825 INFO L231 Difference]: Finished difference. Result has 64 places, 54 transitions, 237 flow [2024-11-08 18:27:00,825 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=64, PETRI_TRANSITIONS=54} [2024-11-08 18:27:00,826 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2024-11-08 18:27:00,827 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 54 transitions, 237 flow [2024-11-08 18:27:00,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:27:00,827 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:00,827 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:00,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:27:00,828 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:00,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:00,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1372171217, now seen corresponding path program 1 times [2024-11-08 18:27:00,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:00,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927825112] [2024-11-08 18:27:00,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:00,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:01,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:01,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927825112] [2024-11-08 18:27:01,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927825112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:01,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:01,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:27:01,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701266854] [2024-11-08 18:27:01,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:01,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:27:01,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:01,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:27:01,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:27:01,325 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:27:01,326 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 54 transitions, 237 flow. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 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) [2024-11-08 18:27:01,326 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:01,326 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:27:01,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:02,165 INFO L124 PetriNetUnfolderBase]: 2895/4199 cut-off events. [2024-11-08 18:27:02,165 INFO L125 PetriNetUnfolderBase]: For 4826/4826 co-relation queries the response was YES. [2024-11-08 18:27:02,183 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11675 conditions, 4199 events. 2895/4199 cut-off events. For 4826/4826 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 21807 event pairs, 231 based on Foata normal form. 96/4213 useless extension candidates. Maximal degree in co-relation 11663. Up to 1316 conditions per place. [2024-11-08 18:27:02,204 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 72 selfloop transitions, 18 changer transitions 1/105 dead transitions. [2024-11-08 18:27:02,204 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 105 transitions, 537 flow [2024-11-08 18:27:02,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:27:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 18:27:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 226 transitions. [2024-11-08 18:27:02,206 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6091644204851752 [2024-11-08 18:27:02,206 INFO L175 Difference]: Start difference. First operand has 64 places, 54 transitions, 237 flow. Second operand 7 states and 226 transitions. [2024-11-08 18:27:02,206 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 105 transitions, 537 flow [2024-11-08 18:27:02,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 105 transitions, 491 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-08 18:27:02,257 INFO L231 Difference]: Finished difference. Result has 67 places, 54 transitions, 247 flow [2024-11-08 18:27:02,257 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=247, PETRI_PLACES=67, PETRI_TRANSITIONS=54} [2024-11-08 18:27:02,258 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2024-11-08 18:27:02,258 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 54 transitions, 247 flow [2024-11-08 18:27:02,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 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) [2024-11-08 18:27:02,258 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:02,259 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:02,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:27:02,259 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:02,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1991607593, now seen corresponding path program 1 times [2024-11-08 18:27:02,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:02,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001622761] [2024-11-08 18:27:02,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:02,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:05,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:05,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001622761] [2024-11-08 18:27:05,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001622761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:05,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:05,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:27:05,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383675140] [2024-11-08 18:27:05,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:05,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 18:27:05,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:05,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 18:27:05,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:27:05,720 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 53 [2024-11-08 18:27:05,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 54 transitions, 247 flow. Second operand has 10 states, 10 states have (on average 25.0) internal successors, (250), 10 states have internal predecessors, (250), 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) [2024-11-08 18:27:05,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:05,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 53 [2024-11-08 18:27:05,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:07,300 INFO L124 PetriNetUnfolderBase]: 3038/5001 cut-off events. [2024-11-08 18:27:07,300 INFO L125 PetriNetUnfolderBase]: For 3179/3369 co-relation queries the response was YES. [2024-11-08 18:27:07,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12260 conditions, 5001 events. 3038/5001 cut-off events. For 3179/3369 co-relation queries the response was YES. Maximal size of possible extension queue 306. Compared 32729 event pairs, 1145 based on Foata normal form. 16/4683 useless extension candidates. Maximal degree in co-relation 12247. Up to 1490 conditions per place. [2024-11-08 18:27:07,368 INFO L140 encePairwiseOnDemand]: 45/53 looper letters, 62 selfloop transitions, 5 changer transitions 12/109 dead transitions. [2024-11-08 18:27:07,369 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 109 transitions, 547 flow [2024-11-08 18:27:07,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:27:07,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 18:27:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 264 transitions. [2024-11-08 18:27:07,371 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6226415094339622 [2024-11-08 18:27:07,372 INFO L175 Difference]: Start difference. First operand has 67 places, 54 transitions, 247 flow. Second operand 8 states and 264 transitions. [2024-11-08 18:27:07,372 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 109 transitions, 547 flow [2024-11-08 18:27:07,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 109 transitions, 431 flow, removed 27 selfloop flow, removed 10 redundant places. [2024-11-08 18:27:07,430 INFO L231 Difference]: Finished difference. Result has 69 places, 57 transitions, 185 flow [2024-11-08 18:27:07,430 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=185, PETRI_PLACES=69, PETRI_TRANSITIONS=57} [2024-11-08 18:27:07,431 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 9 predicate places. [2024-11-08 18:27:07,432 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 57 transitions, 185 flow [2024-11-08 18:27:07,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.0) internal successors, (250), 10 states have internal predecessors, (250), 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) [2024-11-08 18:27:07,432 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:07,433 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:07,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 18:27:07,433 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:07,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:07,434 INFO L85 PathProgramCache]: Analyzing trace with hash 230169297, now seen corresponding path program 2 times [2024-11-08 18:27:07,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:07,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529553537] [2024-11-08 18:27:07,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:08,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:08,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529553537] [2024-11-08 18:27:08,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529553537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:08,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:08,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:27:08,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440334736] [2024-11-08 18:27:08,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:08,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:27:08,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:08,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:27:08,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:27:08,211 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:27:08,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 57 transitions, 185 flow. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-08 18:27:08,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:08,212 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:27:08,212 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:10,546 INFO L124 PetriNetUnfolderBase]: 9479/15084 cut-off events. [2024-11-08 18:27:10,546 INFO L125 PetriNetUnfolderBase]: For 2599/2605 co-relation queries the response was YES. [2024-11-08 18:27:10,618 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33190 conditions, 15084 events. 9479/15084 cut-off events. For 2599/2605 co-relation queries the response was YES. Maximal size of possible extension queue 865. Compared 108944 event pairs, 3483 based on Foata normal form. 34/14509 useless extension candidates. Maximal degree in co-relation 33177. Up to 6503 conditions per place. [2024-11-08 18:27:10,645 INFO L140 encePairwiseOnDemand]: 45/53 looper letters, 49 selfloop transitions, 7 changer transitions 19/101 dead transitions. [2024-11-08 18:27:10,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 101 transitions, 459 flow [2024-11-08 18:27:10,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:27:10,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:27:10,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 184 transitions. [2024-11-08 18:27:10,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5786163522012578 [2024-11-08 18:27:10,647 INFO L175 Difference]: Start difference. First operand has 69 places, 57 transitions, 185 flow. Second operand 6 states and 184 transitions. [2024-11-08 18:27:10,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 101 transitions, 459 flow [2024-11-08 18:27:10,658 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 101 transitions, 447 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-08 18:27:10,660 INFO L231 Difference]: Finished difference. Result has 72 places, 61 transitions, 217 flow [2024-11-08 18:27:10,660 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=217, PETRI_PLACES=72, PETRI_TRANSITIONS=61} [2024-11-08 18:27:10,661 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 12 predicate places. [2024-11-08 18:27:10,661 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 61 transitions, 217 flow [2024-11-08 18:27:10,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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) [2024-11-08 18:27:10,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:10,662 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:10,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 18:27:10,663 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:10,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:10,663 INFO L85 PathProgramCache]: Analyzing trace with hash -1475792801, now seen corresponding path program 3 times [2024-11-08 18:27:10,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:10,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726804973] [2024-11-08 18:27:10,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:10,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:11,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:11,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726804973] [2024-11-08 18:27:11,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726804973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:11,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:11,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:27:11,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533195415] [2024-11-08 18:27:11,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:11,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:27:11,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:11,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:27:11,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:27:11,165 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 53 [2024-11-08 18:27:11,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 61 transitions, 217 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:27:11,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:11,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 53 [2024-11-08 18:27:11,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:14,057 INFO L124 PetriNetUnfolderBase]: 14771/23144 cut-off events. [2024-11-08 18:27:14,058 INFO L125 PetriNetUnfolderBase]: For 7192/7200 co-relation queries the response was YES. [2024-11-08 18:27:14,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53586 conditions, 23144 events. 14771/23144 cut-off events. For 7192/7200 co-relation queries the response was YES. Maximal size of possible extension queue 1285. Compared 172379 event pairs, 2777 based on Foata normal form. 36/22083 useless extension candidates. Maximal degree in co-relation 53571. Up to 8228 conditions per place. [2024-11-08 18:27:14,202 INFO L140 encePairwiseOnDemand]: 43/53 looper letters, 64 selfloop transitions, 16 changer transitions 22/127 dead transitions. [2024-11-08 18:27:14,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 127 transitions, 638 flow [2024-11-08 18:27:14,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:27:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 18:27:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 212 transitions. [2024-11-08 18:27:14,204 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5714285714285714 [2024-11-08 18:27:14,204 INFO L175 Difference]: Start difference. First operand has 72 places, 61 transitions, 217 flow. Second operand 7 states and 212 transitions. [2024-11-08 18:27:14,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 127 transitions, 638 flow [2024-11-08 18:27:14,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 127 transitions, 626 flow, removed 6 selfloop flow, removed 3 redundant places. [2024-11-08 18:27:14,220 INFO L231 Difference]: Finished difference. Result has 77 places, 73 transitions, 344 flow [2024-11-08 18:27:14,221 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=209, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=344, PETRI_PLACES=77, PETRI_TRANSITIONS=73} [2024-11-08 18:27:14,221 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 17 predicate places. [2024-11-08 18:27:14,222 INFO L471 AbstractCegarLoop]: Abstraction has has 77 places, 73 transitions, 344 flow [2024-11-08 18:27:14,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:27:14,222 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:14,222 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:14,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 18:27:14,222 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:14,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:14,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2083552739, now seen corresponding path program 4 times [2024-11-08 18:27:14,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:14,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179695204] [2024-11-08 18:27:14,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:14,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:14,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:14,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:14,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179695204] [2024-11-08 18:27:14,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179695204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:14,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:14,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:27:14,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601830387] [2024-11-08 18:27:14,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:14,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:27:14,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:14,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:27:14,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:27:14,781 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 53 [2024-11-08 18:27:14,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 344 flow. Second operand has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2024-11-08 18:27:14,782 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:14,782 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 53 [2024-11-08 18:27:14,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:20,416 INFO L124 PetriNetUnfolderBase]: 27864/43891 cut-off events. [2024-11-08 18:27:20,417 INFO L125 PetriNetUnfolderBase]: For 35678/35943 co-relation queries the response was YES. [2024-11-08 18:27:20,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111732 conditions, 43891 events. 27864/43891 cut-off events. For 35678/35943 co-relation queries the response was YES. Maximal size of possible extension queue 2686. Compared 364778 event pairs, 5859 based on Foata normal form. 136/41798 useless extension candidates. Maximal degree in co-relation 111713. Up to 14865 conditions per place. [2024-11-08 18:27:20,687 INFO L140 encePairwiseOnDemand]: 43/53 looper letters, 49 selfloop transitions, 7 changer transitions 86/168 dead transitions. [2024-11-08 18:27:20,687 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 168 transitions, 1039 flow [2024-11-08 18:27:20,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:27:20,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-08 18:27:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 251 transitions. [2024-11-08 18:27:20,689 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5919811320754716 [2024-11-08 18:27:20,690 INFO L175 Difference]: Start difference. First operand has 77 places, 73 transitions, 344 flow. Second operand 8 states and 251 transitions. [2024-11-08 18:27:20,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 168 transitions, 1039 flow [2024-11-08 18:27:20,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 168 transitions, 1033 flow, removed 3 selfloop flow, removed 2 redundant places. [2024-11-08 18:27:20,783 INFO L231 Difference]: Finished difference. Result has 86 places, 64 transitions, 311 flow [2024-11-08 18:27:20,784 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=311, PETRI_PLACES=86, PETRI_TRANSITIONS=64} [2024-11-08 18:27:20,785 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 26 predicate places. [2024-11-08 18:27:20,785 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 64 transitions, 311 flow [2024-11-08 18:27:20,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2024-11-08 18:27:20,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:20,786 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:20,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:27:20,787 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:20,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:20,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1571809407, now seen corresponding path program 5 times [2024-11-08 18:27:20,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:20,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10616114] [2024-11-08 18:27:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:23,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:27:23,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10616114] [2024-11-08 18:27:23,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10616114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:23,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:23,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 18:27:23,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45354471] [2024-11-08 18:27:23,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:23,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 18:27:23,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:27:23,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 18:27:23,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:27:23,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:27:23,150 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 64 transitions, 311 flow. Second operand has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 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) [2024-11-08 18:27:23,150 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:23,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:27:23,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:25,322 INFO L124 PetriNetUnfolderBase]: 4935/8298 cut-off events. [2024-11-08 18:27:25,322 INFO L125 PetriNetUnfolderBase]: For 5659/5689 co-relation queries the response was YES. [2024-11-08 18:27:25,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19907 conditions, 8298 events. 4935/8298 cut-off events. For 5659/5689 co-relation queries the response was YES. Maximal size of possible extension queue 516. Compared 58088 event pairs, 1208 based on Foata normal form. 24/7881 useless extension candidates. Maximal degree in co-relation 19882. Up to 2729 conditions per place. [2024-11-08 18:27:25,366 INFO L140 encePairwiseOnDemand]: 41/53 looper letters, 65 selfloop transitions, 11 changer transitions 41/144 dead transitions. [2024-11-08 18:27:25,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 144 transitions, 837 flow [2024-11-08 18:27:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 18:27:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 18:27:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 299 transitions. [2024-11-08 18:27:25,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5641509433962264 [2024-11-08 18:27:25,369 INFO L175 Difference]: Start difference. First operand has 86 places, 64 transitions, 311 flow. Second operand 10 states and 299 transitions. [2024-11-08 18:27:25,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 144 transitions, 837 flow [2024-11-08 18:27:25,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 144 transitions, 805 flow, removed 12 selfloop flow, removed 5 redundant places. [2024-11-08 18:27:25,388 INFO L231 Difference]: Finished difference. Result has 91 places, 64 transitions, 330 flow [2024-11-08 18:27:25,389 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=330, PETRI_PLACES=91, PETRI_TRANSITIONS=64} [2024-11-08 18:27:25,389 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 31 predicate places. [2024-11-08 18:27:25,390 INFO L471 AbstractCegarLoop]: Abstraction has has 91 places, 64 transitions, 330 flow [2024-11-08 18:27:25,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 21.4) internal successors, (214), 10 states have internal predecessors, (214), 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) [2024-11-08 18:27:25,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:25,390 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:25,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 18:27:25,391 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:25,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:25,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1682840147, now seen corresponding path program 6 times [2024-11-08 18:27:25,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:27:25,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374492541] [2024-11-08 18:27:25,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:25,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:27:25,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:27:25,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:27:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:27:25,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:27:25,648 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:27:25,649 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-08 18:27:25,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-08 18:27:25,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-08 18:27:25,654 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-08 18:27:25,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-08 18:27:25,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-08 18:27:25,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-08 18:27:25,655 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-08 18:27:25,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 18:27:25,656 INFO L407 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:25,816 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 18:27:25,816 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:27:25,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:27:25 BasicIcfg [2024-11-08 18:27:25,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:27:25,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:27:25,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:27:25,825 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:27:25,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:26:48" (3/4) ... [2024-11-08 18:27:25,831 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:27:25,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:27:25,834 INFO L158 Benchmark]: Toolchain (without parser) took 39888.98ms. Allocated memory was 138.4MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 98.1MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 534.5MB. Max. memory is 16.1GB. [2024-11-08 18:27:25,836 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:27:25,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 890.55ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 71.2MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 18:27:25,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.47ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 70.8MB in the beginning and 141.0MB in the end (delta: -70.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2024-11-08 18:27:25,837 INFO L158 Benchmark]: Boogie Preprocessor took 89.50ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 137.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:27:25,837 INFO L158 Benchmark]: RCFGBuilder took 1116.41ms. Allocated memory is still 172.0MB. Free memory was 137.8MB in the beginning and 79.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-08 18:27:25,838 INFO L158 Benchmark]: TraceAbstraction took 37655.55ms. Allocated memory was 172.0MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 79.1MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 480.1MB. Max. memory is 16.1GB. [2024-11-08 18:27:25,838 INFO L158 Benchmark]: Witness Printer took 8.55ms. Allocated memory is still 3.6GB. Free memory is still 3.0GB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:27:25,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 138.4MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 890.55ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 71.2MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.47ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 70.8MB in the beginning and 141.0MB in the end (delta: -70.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.50ms. Allocated memory is still 172.0MB. Free memory was 141.0MB in the beginning and 137.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1116.41ms. Allocated memory is still 172.0MB. Free memory was 137.8MB in the beginning and 79.1MB in the end (delta: 58.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 37655.55ms. Allocated memory was 172.0MB in the beginning and 3.6GB in the end (delta: 3.4GB). Free memory was 79.1MB in the beginning and 3.0GB in the end (delta: -2.9GB). Peak memory consumption was 480.1MB. Max. memory is 16.1GB. * Witness Printer took 8.55ms. Allocated memory is still 3.6GB. Free memory is still 3.0GB. 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff0_thd3; [L725] 0 _Bool a$r_buff0_thd4; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$r_buff1_thd4; [L731] 0 _Bool a$read_delayed; [L732] 0 int *a$read_delayed_var; [L733] 0 int a$w_buff0; [L734] 0 _Bool a$w_buff0_used; [L735] 0 int a$w_buff1; [L736] 0 _Bool a$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L861] 0 pthread_t t1353; [L862] FCALL, FORK 0 pthread_create(&t1353, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L863] 0 pthread_t t1354; [L864] FCALL, FORK 0 pthread_create(&t1354, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, t1354=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L865] 0 pthread_t t1355; [L866] FCALL, FORK 0 pthread_create(&t1355, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L867] 0 pthread_t t1356; [L868] FCALL, FORK 0 pthread_create(&t1356, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 a$w_buff1 = a$w_buff0 [L751] 1 a$w_buff0 = 1 [L752] 1 a$w_buff1_used = a$w_buff0_used [L753] 1 a$w_buff0_used = (_Bool)1 [L754] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L754] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L755] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L756] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L757] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L758] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L759] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 x = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L783] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L800] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L803] 3 __unbuffered_p2_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L820] 4 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 a$flush_delayed = weak$$choice2 [L826] 4 a$mem_tmp = a [L827] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L828] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L829] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L830] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L831] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L833] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = a [L835] 4 a = a$flush_delayed ? a$mem_tmp : a [L836] 4 a$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L806] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L807] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L808] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L809] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L810] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L786] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L787] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L788] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L789] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L790] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L839] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L840] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L841] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L842] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L843] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L846] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L870] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L872] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L872] RET 0 assume_abort_if_not(main$tmp_guard0) [L874] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L876] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L877] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L878] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L881] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L883] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, z=1] [L17] 0 __assert_fail ("0", "mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=2, y=1, 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: 859]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 868]: 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: 864]: 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: 866]: 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: 862]: 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 9 procedures, 85 locations, 8 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: 37.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 26.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 839 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 825 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 233 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2022 IncrementalHoareTripleChecker+Invalid, 2102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 32 mSDtfsCounter, 2022 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=344occurred in iteration=9, InterpolantAutomatonStates: 67, 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: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 8.3s InterpolantComputationTime, 341 NumberOfCodeBlocks, 341 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 2080 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:27:25,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX --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 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:27:28,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:27:28,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-08 18:27:28,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:27:28,952 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:27:28,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:27:28,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:27:28,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:27:28,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:27:28,981 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:27:28,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:27:28,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:27:28,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:27:28,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:27:28,984 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:27:28,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:27:28,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:27:28,986 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:27:28,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:27:28,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:27:28,987 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 18:27:28,988 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 18:27:28,988 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 18:27:28,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:27:28,989 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:27:28,989 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:27:28,990 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:27:28,990 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:27:28,991 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:27:28,991 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:27:28,991 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:27:28,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:27:28,992 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:27:28,992 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:27:28,993 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:27:28,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:27:28,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:27:28,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:27:28,994 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:27:28,995 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:27:28,995 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:27:28,996 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:27:28,996 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:27:28,996 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:27:28,996 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX 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 -> 76dbb78f4fe406633111c7d7e2c1e8bd933a1f67e6e1cf5d4cbd1b0379bfe086 [2024-11-08 18:27:29,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:27:29,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:27:29,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:27:29,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:27:29,438 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:27:29,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i Unable to find full path for "g++" [2024-11-08 18:27:31,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:27:32,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:27:32,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/sv-benchmarks/c/pthread-wmm/mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-08 18:27:32,201 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data/58adc856c/00ad5ac22f7d413d90927140d497109f/FLAGd925cfabd [2024-11-08 18:27:32,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/data/58adc856c/00ad5ac22f7d413d90927140d497109f [2024-11-08 18:27:32,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:27:32,413 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:27:32,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:27:32,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:27:32,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:27:32,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:27:32" (1/1) ... [2024-11-08 18:27:32,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484934d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:32, skipping insertion in model container [2024-11-08 18:27:32,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:27:32" (1/1) ... [2024-11-08 18:27:32,480 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:27:33,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:27:33,213 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:27:33,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:27:33,376 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:27:33,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33 WrapperNode [2024-11-08 18:27:33,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:27:33,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:27:33,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:27:33,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:27:33,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,471 INFO L138 Inliner]: procedures = 177, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 132 [2024-11-08 18:27:33,474 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:27:33,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:27:33,475 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:27:33,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:27:33,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,541 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]. [2024-11-08 18:27:33,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:27:33,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:27:33,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:27:33,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:27:33,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (1/1) ... [2024-11-08 18:27:33,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:27:33,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:33,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:27:33,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:27:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 18:27:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:27:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:27:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 18:27:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 18:27:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 18:27:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 18:27:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-08 18:27:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-08 18:27:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-08 18:27:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-08 18:27:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 18:27:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:27:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:27:33,671 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 18:27:33,935 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:27:33,938 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:27:34,510 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 18:27:34,511 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:27:34,888 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:27:34,890 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:27:34,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:27:34 BoogieIcfgContainer [2024-11-08 18:27:34,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:27:34,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:27:34,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:27:34,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:27:34,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:27:32" (1/3) ... [2024-11-08 18:27:34,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49882b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:27:34, skipping insertion in model container [2024-11-08 18:27:34,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:27:33" (2/3) ... [2024-11-08 18:27:34,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a49882b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:27:34, skipping insertion in model container [2024-11-08 18:27:34,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:27:34" (3/3) ... [2024-11-08 18:27:34,908 INFO L112 eAbstractionObserver]: Analyzing ICFG mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-08 18:27:34,933 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:27:34,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-08 18:27:34,933 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 18:27:35,077 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 18:27:35,130 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 53 transitions, 122 flow [2024-11-08 18:27:35,191 INFO L124 PetriNetUnfolderBase]: 2/49 cut-off events. [2024-11-08 18:27:35,192 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:27:35,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 49 events. 2/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2024-11-08 18:27:35,197 INFO L82 GeneralOperation]: Start removeDead. Operand has 64 places, 53 transitions, 122 flow [2024-11-08 18:27:35,204 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 49 transitions, 110 flow [2024-11-08 18:27:35,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:27:35,234 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;@393321ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:27:35,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-08 18:27:35,243 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 18:27:35,243 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-08 18:27:35,244 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:27:35,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:35,245 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-08 18:27:35,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:35,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:35,255 INFO L85 PathProgramCache]: Analyzing trace with hash 12800155, now seen corresponding path program 1 times [2024-11-08 18:27:35,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:35,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [316248100] [2024-11-08 18:27:35,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:35,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:35,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:35,278 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:35,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:27:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:35,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:27:35,463 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:35,508 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:35,509 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:35,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316248100] [2024-11-08 18:27:35,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316248100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:35,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:35,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:27:35,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186878966] [2024-11-08 18:27:35,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:35,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:27:35,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:35,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:27:35,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:27:35,568 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 24 out of 53 [2024-11-08 18:27:35,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 49 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2024-11-08 18:27:35,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:35,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 24 of 53 [2024-11-08 18:27:35,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:37,113 INFO L124 PetriNetUnfolderBase]: 3311/5456 cut-off events. [2024-11-08 18:27:37,113 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-08 18:27:37,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10136 conditions, 5456 events. 3311/5456 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 39549 event pairs, 593 based on Foata normal form. 288/5705 useless extension candidates. Maximal degree in co-relation 10124. Up to 3661 conditions per place. [2024-11-08 18:27:37,179 INFO L140 encePairwiseOnDemand]: 48/53 looper letters, 41 selfloop transitions, 2 changer transitions 2/65 dead transitions. [2024-11-08 18:27:37,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 65 transitions, 241 flow [2024-11-08 18:27:37,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:27:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:27:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 122 transitions. [2024-11-08 18:27:37,197 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7672955974842768 [2024-11-08 18:27:37,199 INFO L175 Difference]: Start difference. First operand has 60 places, 49 transitions, 110 flow. Second operand 3 states and 122 transitions. [2024-11-08 18:27:37,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 65 transitions, 241 flow [2024-11-08 18:27:37,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 65 transitions, 234 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-08 18:27:37,214 INFO L231 Difference]: Finished difference. Result has 56 places, 44 transitions, 100 flow [2024-11-08 18:27:37,218 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=100, PETRI_PLACES=56, PETRI_TRANSITIONS=44} [2024-11-08 18:27:37,224 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -4 predicate places. [2024-11-08 18:27:37,224 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 44 transitions, 100 flow [2024-11-08 18:27:37,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 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) [2024-11-08 18:27:37,225 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:37,225 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:37,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:27:37,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:37,428 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:37,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:37,430 INFO L85 PathProgramCache]: Analyzing trace with hash -234924269, now seen corresponding path program 1 times [2024-11-08 18:27:37,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:37,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [301850969] [2024-11-08 18:27:37,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:37,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:37,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:37,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:37,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:27:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:37,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 18:27:37,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:37,662 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:37,662 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:37,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301850969] [2024-11-08 18:27:37,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301850969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:37,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:37,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:27:37,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608201211] [2024-11-08 18:27:37,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:37,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:27:37,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:37,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:27:37,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:27:37,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 53 [2024-11-08 18:27:37,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-08 18:27:37,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:37,671 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 53 [2024-11-08 18:27:37,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:38,826 INFO L124 PetriNetUnfolderBase]: 2903/4911 cut-off events. [2024-11-08 18:27:38,827 INFO L125 PetriNetUnfolderBase]: For 278/278 co-relation queries the response was YES. [2024-11-08 18:27:38,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9315 conditions, 4911 events. 2903/4911 cut-off events. For 278/278 co-relation queries the response was YES. Maximal size of possible extension queue 291. Compared 34952 event pairs, 2903 based on Foata normal form. 144/4916 useless extension candidates. Maximal degree in co-relation 9305. Up to 4016 conditions per place. [2024-11-08 18:27:38,877 INFO L140 encePairwiseOnDemand]: 51/53 looper letters, 22 selfloop transitions, 1 changer transitions 1/43 dead transitions. [2024-11-08 18:27:38,877 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 43 transitions, 146 flow [2024-11-08 18:27:38,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:27:38,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 18:27:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-11-08 18:27:38,881 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5911949685534591 [2024-11-08 18:27:38,882 INFO L175 Difference]: Start difference. First operand has 56 places, 44 transitions, 100 flow. Second operand 3 states and 94 transitions. [2024-11-08 18:27:38,883 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 43 transitions, 146 flow [2024-11-08 18:27:38,884 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 43 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 18:27:38,887 INFO L231 Difference]: Finished difference. Result has 54 places, 42 transitions, 94 flow [2024-11-08 18:27:38,887 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=54, PETRI_TRANSITIONS=42} [2024-11-08 18:27:38,889 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -6 predicate places. [2024-11-08 18:27:38,890 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 42 transitions, 94 flow [2024-11-08 18:27:38,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2024-11-08 18:27:38,891 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:38,891 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:38,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:27:39,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:39,092 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:39,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:39,093 INFO L85 PathProgramCache]: Analyzing trace with hash -234922954, now seen corresponding path program 1 times [2024-11-08 18:27:39,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:39,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [29821307] [2024-11-08 18:27:39,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:39,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:39,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:39,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:39,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:27:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:39,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 18:27:39,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:39,324 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:39,324 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:39,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29821307] [2024-11-08 18:27:39,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29821307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:39,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:39,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:27:39,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090566204] [2024-11-08 18:27:39,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:39,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:27:39,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:39,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:27:39,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:27:39,347 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:27:39,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 42 transitions, 94 flow. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-08 18:27:39,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:39,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:27:39,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:42,051 INFO L124 PetriNetUnfolderBase]: 8875/13615 cut-off events. [2024-11-08 18:27:42,052 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-08 18:27:42,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25937 conditions, 13615 events. 8875/13615 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 747. Compared 95754 event pairs, 1033 based on Foata normal form. 400/13929 useless extension candidates. Maximal degree in co-relation 25931. Up to 7301 conditions per place. [2024-11-08 18:27:42,194 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 53 selfloop transitions, 6 changer transitions 1/74 dead transitions. [2024-11-08 18:27:42,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 74 transitions, 284 flow [2024-11-08 18:27:42,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:27:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 18:27:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 138 transitions. [2024-11-08 18:27:42,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6509433962264151 [2024-11-08 18:27:42,199 INFO L175 Difference]: Start difference. First operand has 54 places, 42 transitions, 94 flow. Second operand 4 states and 138 transitions. [2024-11-08 18:27:42,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 74 transitions, 284 flow [2024-11-08 18:27:42,201 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 74 transitions, 283 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 18:27:42,204 INFO L231 Difference]: Finished difference. Result has 57 places, 46 transitions, 135 flow [2024-11-08 18:27:42,204 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=93, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=135, PETRI_PLACES=57, PETRI_TRANSITIONS=46} [2024-11-08 18:27:42,205 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, -3 predicate places. [2024-11-08 18:27:42,206 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 46 transitions, 135 flow [2024-11-08 18:27:42,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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) [2024-11-08 18:27:42,207 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:42,207 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:42,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:27:42,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:42,408 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:42,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1733073701, now seen corresponding path program 1 times [2024-11-08 18:27:42,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:42,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [759277312] [2024-11-08 18:27:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:42,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:42,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:42,413 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:42,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:27:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:42,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:27:42,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:42,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:42,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:42,636 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:42,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759277312] [2024-11-08 18:27:42,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759277312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:42,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:42,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 18:27:42,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292682806] [2024-11-08 18:27:42,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:42,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:27:42,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:42,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:27:42,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 18:27:42,667 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:27:42,668 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 46 transitions, 135 flow. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:27:42,668 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:42,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:27:42,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:44,582 INFO L124 PetriNetUnfolderBase]: 6751/10375 cut-off events. [2024-11-08 18:27:44,582 INFO L125 PetriNetUnfolderBase]: For 2392/2392 co-relation queries the response was YES. [2024-11-08 18:27:44,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23232 conditions, 10375 events. 6751/10375 cut-off events. For 2392/2392 co-relation queries the response was YES. Maximal size of possible extension queue 551. Compared 69057 event pairs, 451 based on Foata normal form. 364/10657 useless extension candidates. Maximal degree in co-relation 23223. Up to 4601 conditions per place. [2024-11-08 18:27:44,676 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 68 selfloop transitions, 10 changer transitions 1/93 dead transitions. [2024-11-08 18:27:44,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 93 transitions, 416 flow [2024-11-08 18:27:44,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:27:44,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-08 18:27:44,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 176 transitions. [2024-11-08 18:27:44,681 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6641509433962264 [2024-11-08 18:27:44,681 INFO L175 Difference]: Start difference. First operand has 57 places, 46 transitions, 135 flow. Second operand 5 states and 176 transitions. [2024-11-08 18:27:44,682 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 93 transitions, 416 flow [2024-11-08 18:27:44,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 93 transitions, 405 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 18:27:44,693 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 187 flow [2024-11-08 18:27:44,694 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=187, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-11-08 18:27:44,696 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 1 predicate places. [2024-11-08 18:27:44,696 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 187 flow [2024-11-08 18:27:44,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:27:44,697 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:44,697 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:44,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 18:27:44,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:44,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:44,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:44,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2106276919, now seen corresponding path program 1 times [2024-11-08 18:27:44,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:44,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1893492062] [2024-11-08 18:27:44,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:44,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:44,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:44,905 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:44,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 18:27:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:45,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:27:45,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:45,153 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:45,154 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:45,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893492062] [2024-11-08 18:27:45,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893492062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:45,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:45,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 18:27:45,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231188959] [2024-11-08 18:27:45,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:45,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:27:45,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:45,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:27:45,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:27:45,185 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:27:45,186 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:27:45,186 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:45,187 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:27:45,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:46,401 INFO L124 PetriNetUnfolderBase]: 4259/6431 cut-off events. [2024-11-08 18:27:46,402 INFO L125 PetriNetUnfolderBase]: For 4590/4590 co-relation queries the response was YES. [2024-11-08 18:27:46,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16274 conditions, 6431 events. 4259/6431 cut-off events. For 4590/4590 co-relation queries the response was YES. Maximal size of possible extension queue 251. Compared 37313 event pairs, 289 based on Foata normal form. 244/6593 useless extension candidates. Maximal degree in co-relation 16263. Up to 1788 conditions per place. [2024-11-08 18:27:46,457 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 81 selfloop transitions, 14 changer transitions 1/110 dead transitions. [2024-11-08 18:27:46,458 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 110 transitions, 547 flow [2024-11-08 18:27:46,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:27:46,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:27:46,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 212 transitions. [2024-11-08 18:27:46,459 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2024-11-08 18:27:46,460 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 187 flow. Second operand 6 states and 212 transitions. [2024-11-08 18:27:46,460 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 110 transitions, 547 flow [2024-11-08 18:27:46,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 110 transitions, 517 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-08 18:27:46,505 INFO L231 Difference]: Finished difference. Result has 64 places, 54 transitions, 237 flow [2024-11-08 18:27:46,506 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=237, PETRI_PLACES=64, PETRI_TRANSITIONS=54} [2024-11-08 18:27:46,507 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 4 predicate places. [2024-11-08 18:27:46,509 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 54 transitions, 237 flow [2024-11-08 18:27:46,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:27:46,510 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:46,510 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:46,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 18:27:46,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:46,712 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:46,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:46,712 INFO L85 PathProgramCache]: Analyzing trace with hash -2090411985, now seen corresponding path program 1 times [2024-11-08 18:27:46,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:46,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1285589299] [2024-11-08 18:27:46,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:46,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:46,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:46,716 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:46,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 18:27:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:46,873 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 18:27:46,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:46,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:46,997 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:46,997 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:46,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285589299] [2024-11-08 18:27:46,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285589299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:46,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:46,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:27:46,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562032812] [2024-11-08 18:27:46,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:46,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:27:47,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:47,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:27:47,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:27:47,030 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 53 [2024-11-08 18:27:47,030 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 54 transitions, 237 flow. Second operand has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 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) [2024-11-08 18:27:47,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:47,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 53 [2024-11-08 18:27:47,031 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:48,133 INFO L124 PetriNetUnfolderBase]: 2895/4199 cut-off events. [2024-11-08 18:27:48,133 INFO L125 PetriNetUnfolderBase]: For 4826/4826 co-relation queries the response was YES. [2024-11-08 18:27:48,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11675 conditions, 4199 events. 2895/4199 cut-off events. For 4826/4826 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 21674 event pairs, 231 based on Foata normal form. 96/4213 useless extension candidates. Maximal degree in co-relation 11663. Up to 1316 conditions per place. [2024-11-08 18:27:48,172 INFO L140 encePairwiseOnDemand]: 46/53 looper letters, 72 selfloop transitions, 18 changer transitions 1/105 dead transitions. [2024-11-08 18:27:48,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 105 transitions, 537 flow [2024-11-08 18:27:48,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:27:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 18:27:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 226 transitions. [2024-11-08 18:27:48,175 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6091644204851752 [2024-11-08 18:27:48,175 INFO L175 Difference]: Start difference. First operand has 64 places, 54 transitions, 237 flow. Second operand 7 states and 226 transitions. [2024-11-08 18:27:48,176 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 105 transitions, 537 flow [2024-11-08 18:27:48,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 105 transitions, 491 flow, removed 9 selfloop flow, removed 5 redundant places. [2024-11-08 18:27:48,219 INFO L231 Difference]: Finished difference. Result has 67 places, 54 transitions, 247 flow [2024-11-08 18:27:48,220 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=247, PETRI_PLACES=67, PETRI_TRANSITIONS=54} [2024-11-08 18:27:48,221 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 7 predicate places. [2024-11-08 18:27:48,222 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 54 transitions, 247 flow [2024-11-08 18:27:48,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.0) internal successors, (154), 7 states have internal predecessors, (154), 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) [2024-11-08 18:27:48,223 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:48,223 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:48,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 18:27:48,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:48,425 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:48,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:48,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1310091687, now seen corresponding path program 1 times [2024-11-08 18:27:48,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:48,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142548019] [2024-11-08 18:27:48,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:27:48,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:48,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:48,435 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:48,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 18:27:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:27:48,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 18:27:48,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:49,700 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:49,700 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:49,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142548019] [2024-11-08 18:27:49,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142548019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:49,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:49,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 18:27:49,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572445526] [2024-11-08 18:27:49,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:49,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 18:27:49,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:49,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 18:27:49,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:27:49,732 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 53 [2024-11-08 18:27:49,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 54 transitions, 247 flow. Second operand has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 11 states have internal predecessors, (263), 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) [2024-11-08 18:27:49,734 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:49,734 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 53 [2024-11-08 18:27:49,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:51,123 INFO L124 PetriNetUnfolderBase]: 2208/3578 cut-off events. [2024-11-08 18:27:51,124 INFO L125 PetriNetUnfolderBase]: For 2239/2363 co-relation queries the response was YES. [2024-11-08 18:27:51,149 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8776 conditions, 3578 events. 2208/3578 cut-off events. For 2239/2363 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 21427 event pairs, 543 based on Foata normal form. 16/3386 useless extension candidates. Maximal degree in co-relation 8763. Up to 1135 conditions per place. [2024-11-08 18:27:51,172 INFO L140 encePairwiseOnDemand]: 44/53 looper letters, 57 selfloop transitions, 5 changer transitions 21/112 dead transitions. [2024-11-08 18:27:51,173 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 112 transitions, 555 flow [2024-11-08 18:27:51,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 18:27:51,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 18:27:51,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 304 transitions. [2024-11-08 18:27:51,176 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5735849056603773 [2024-11-08 18:27:51,176 INFO L175 Difference]: Start difference. First operand has 67 places, 54 transitions, 247 flow. Second operand 10 states and 304 transitions. [2024-11-08 18:27:51,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 112 transitions, 555 flow [2024-11-08 18:27:51,210 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 112 transitions, 446 flow, removed 22 selfloop flow, removed 10 redundant places. [2024-11-08 18:27:51,212 INFO L231 Difference]: Finished difference. Result has 71 places, 55 transitions, 177 flow [2024-11-08 18:27:51,213 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=177, PETRI_PLACES=71, PETRI_TRANSITIONS=55} [2024-11-08 18:27:51,214 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 11 predicate places. [2024-11-08 18:27:51,215 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 55 transitions, 177 flow [2024-11-08 18:27:51,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.90909090909091) internal successors, (263), 11 states have internal predecessors, (263), 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) [2024-11-08 18:27:51,216 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:51,217 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:51,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 18:27:51,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:51,418 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:51,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash -966468757, now seen corresponding path program 2 times [2024-11-08 18:27:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:51,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [621281645] [2024-11-08 18:27:51,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:27:51,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:51,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:51,421 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:51,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 18:27:51,560 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 18:27:51,561 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:27:51,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 18:27:51,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:51,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:51,666 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:51,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621281645] [2024-11-08 18:27:51,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621281645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:51,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:51,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 18:27:51,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154155250] [2024-11-08 18:27:51,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:51,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:27:51,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:51,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:27:51,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 18:27:51,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-08 18:27:51,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 55 transitions, 177 flow. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 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) [2024-11-08 18:27:51,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:51,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-08 18:27:51,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:53,075 INFO L124 PetriNetUnfolderBase]: 4567/7423 cut-off events. [2024-11-08 18:27:53,075 INFO L125 PetriNetUnfolderBase]: For 1188/1253 co-relation queries the response was YES. [2024-11-08 18:27:53,125 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15830 conditions, 7423 events. 4567/7423 cut-off events. For 1188/1253 co-relation queries the response was YES. Maximal size of possible extension queue 465. Compared 51894 event pairs, 2059 based on Foata normal form. 29/6914 useless extension candidates. Maximal degree in co-relation 15817. Up to 3261 conditions per place. [2024-11-08 18:27:53,141 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 40 selfloop transitions, 2 changer transitions 21/90 dead transitions. [2024-11-08 18:27:53,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 90 transitions, 398 flow [2024-11-08 18:27:53,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:27:53,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 18:27:53,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 182 transitions. [2024-11-08 18:27:53,143 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5723270440251572 [2024-11-08 18:27:53,143 INFO L175 Difference]: Start difference. First operand has 71 places, 55 transitions, 177 flow. Second operand 6 states and 182 transitions. [2024-11-08 18:27:53,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 90 transitions, 398 flow [2024-11-08 18:27:53,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 90 transitions, 380 flow, removed 5 selfloop flow, removed 6 redundant places. [2024-11-08 18:27:53,169 INFO L231 Difference]: Finished difference. Result has 70 places, 55 transitions, 177 flow [2024-11-08 18:27:53,169 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=177, PETRI_PLACES=70, PETRI_TRANSITIONS=55} [2024-11-08 18:27:53,170 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 10 predicate places. [2024-11-08 18:27:53,170 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 55 transitions, 177 flow [2024-11-08 18:27:53,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 6 states have internal predecessors, (143), 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) [2024-11-08 18:27:53,171 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:53,171 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:53,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-08 18:27:53,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:53,372 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:53,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:53,377 INFO L85 PathProgramCache]: Analyzing trace with hash 279207387, now seen corresponding path program 3 times [2024-11-08 18:27:53,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:53,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1455502665] [2024-11-08 18:27:53,378 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:27:53,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:53,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:53,382 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:53,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 18:27:53,519 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-08 18:27:53,519 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:27:53,521 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 18:27:53,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:53,730 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:53,730 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:53,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1455502665] [2024-11-08 18:27:53,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1455502665] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:53,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:53,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 18:27:53,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684638831] [2024-11-08 18:27:53,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:53,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 18:27:53,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:53,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 18:27:53,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-08 18:27:53,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 53 [2024-11-08 18:27:53,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 55 transitions, 177 flow. Second operand has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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) [2024-11-08 18:27:53,767 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:53,767 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 53 [2024-11-08 18:27:53,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:55,624 INFO L124 PetriNetUnfolderBase]: 11411/16506 cut-off events. [2024-11-08 18:27:55,625 INFO L125 PetriNetUnfolderBase]: For 3256/3256 co-relation queries the response was YES. [2024-11-08 18:27:55,702 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38509 conditions, 16506 events. 11411/16506 cut-off events. For 3256/3256 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 98849 event pairs, 929 based on Foata normal form. 16/16372 useless extension candidates. Maximal degree in co-relation 38496. Up to 7100 conditions per place. [2024-11-08 18:27:55,726 INFO L140 encePairwiseOnDemand]: 42/53 looper letters, 72 selfloop transitions, 10 changer transitions 61/155 dead transitions. [2024-11-08 18:27:55,726 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 155 transitions, 758 flow [2024-11-08 18:27:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 18:27:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-08 18:27:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 285 transitions. [2024-11-08 18:27:55,728 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5377358490566038 [2024-11-08 18:27:55,729 INFO L175 Difference]: Start difference. First operand has 70 places, 55 transitions, 177 flow. Second operand 10 states and 285 transitions. [2024-11-08 18:27:55,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 155 transitions, 758 flow [2024-11-08 18:27:55,735 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 155 transitions, 734 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-08 18:27:55,737 INFO L231 Difference]: Finished difference. Result has 75 places, 59 transitions, 221 flow [2024-11-08 18:27:55,737 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=221, PETRI_PLACES=75, PETRI_TRANSITIONS=59} [2024-11-08 18:27:55,738 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 15 predicate places. [2024-11-08 18:27:55,738 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 59 transitions, 221 flow [2024-11-08 18:27:55,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 19.0) internal successors, (171), 9 states have internal predecessors, (171), 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) [2024-11-08 18:27:55,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:55,739 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:55,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-08 18:27:55,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:55,944 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:55,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:55,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1193552309, now seen corresponding path program 4 times [2024-11-08 18:27:55,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:55,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1545688971] [2024-11-08 18:27:55,946 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 18:27:55,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:55,949 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:55,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 18:27:56,085 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 18:27:56,086 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:27:56,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:27:56,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:27:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:27:56,217 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:27:56,218 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:27:56,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545688971] [2024-11-08 18:27:56,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545688971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:27:56,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:27:56,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:27:56,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882404068] [2024-11-08 18:27:56,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:27:56,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:27:56,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:27:56,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:27:56,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:27:56,238 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 53 [2024-11-08 18:27:56,238 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 59 transitions, 221 flow. Second operand has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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) [2024-11-08 18:27:56,239 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 18:27:56,239 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 53 [2024-11-08 18:27:56,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 18:27:57,609 INFO L124 PetriNetUnfolderBase]: 7408/11847 cut-off events. [2024-11-08 18:27:57,610 INFO L125 PetriNetUnfolderBase]: For 1843/1875 co-relation queries the response was YES. [2024-11-08 18:27:57,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24851 conditions, 11847 events. 7408/11847 cut-off events. For 1843/1875 co-relation queries the response was YES. Maximal size of possible extension queue 739. Compared 85269 event pairs, 1592 based on Foata normal form. 16/11044 useless extension candidates. Maximal degree in co-relation 24835. Up to 4214 conditions per place. [2024-11-08 18:27:57,683 INFO L140 encePairwiseOnDemand]: 47/53 looper letters, 44 selfloop transitions, 2 changer transitions 18/96 dead transitions. [2024-11-08 18:27:57,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 96 transitions, 437 flow [2024-11-08 18:27:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:27:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-08 18:27:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 205 transitions. [2024-11-08 18:27:57,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5525606469002695 [2024-11-08 18:27:57,686 INFO L175 Difference]: Start difference. First operand has 75 places, 59 transitions, 221 flow. Second operand 7 states and 205 transitions. [2024-11-08 18:27:57,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 96 transitions, 437 flow [2024-11-08 18:27:57,691 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 96 transitions, 415 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-08 18:27:57,693 INFO L231 Difference]: Finished difference. Result has 76 places, 60 transitions, 224 flow [2024-11-08 18:27:57,693 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=53, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=224, PETRI_PLACES=76, PETRI_TRANSITIONS=60} [2024-11-08 18:27:57,694 INFO L277 CegarLoopForPetriNet]: 60 programPoint places, 16 predicate places. [2024-11-08 18:27:57,694 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 60 transitions, 224 flow [2024-11-08 18:27:57,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.285714285714285) internal successors, (163), 7 states have internal predecessors, (163), 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) [2024-11-08 18:27:57,695 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 18:27:57,695 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:57,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-08 18:27:57,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:57,896 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-11-08 18:27:57,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:27:57,896 INFO L85 PathProgramCache]: Analyzing trace with hash -728236337, now seen corresponding path program 5 times [2024-11-08 18:27:57,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:27:57,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [201461354] [2024-11-08 18:27:57,897 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 18:27:57,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:57,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:27:57,900 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:27:57,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 18:27:58,045 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-08 18:27:58,045 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-08 18:27:58,045 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:27:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:27:58,243 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:27:58,243 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:27:58,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (7 of 8 remaining) [2024-11-08 18:27:58,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (6 of 8 remaining) [2024-11-08 18:27:58,247 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (5 of 8 remaining) [2024-11-08 18:27:58,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2024-11-08 18:27:58,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 8 remaining) [2024-11-08 18:27:58,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 8 remaining) [2024-11-08 18:27:58,248 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-11-08 18:27:58,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 8 remaining) [2024-11-08 18:27:58,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 18:27:58,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:27:58,450 INFO L407 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1] [2024-11-08 18:27:58,554 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 18:27:58,555 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:27:58,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:27:58 BasicIcfg [2024-11-08 18:27:58,561 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:27:58,562 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:27:58,562 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:27:58,562 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:27:58,564 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:27:34" (3/4) ... [2024-11-08 18:27:58,569 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:27:58,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:27:58,575 INFO L158 Benchmark]: Toolchain (without parser) took 26161.83ms. Allocated memory was 71.3MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 45.8MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 601.5MB. Max. memory is 16.1GB. [2024-11-08 18:27:58,576 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:27:58,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 963.10ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 56.9MB in the end (delta: -11.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-11-08 18:27:58,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.16ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 54.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:27:58,579 INFO L158 Benchmark]: Boogie Preprocessor took 90.47ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 50.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:27:58,580 INFO L158 Benchmark]: RCFGBuilder took 1325.07ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 50.5MB in the end (delta: -164.3kB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-08 18:27:58,581 INFO L158 Benchmark]: TraceAbstraction took 23665.32ms. Allocated memory was 94.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 50.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 581.3MB. Max. memory is 16.1GB. [2024-11-08 18:27:58,581 INFO L158 Benchmark]: Witness Printer took 12.45ms. Allocated memory is still 1.9GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:27:58,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 46.8MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 963.10ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 45.6MB in the beginning and 56.9MB in the end (delta: -11.3MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.16ms. Allocated memory is still 94.4MB. Free memory was 56.9MB in the beginning and 54.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.47ms. Allocated memory is still 94.4MB. Free memory was 54.1MB in the beginning and 50.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1325.07ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 50.5MB in the end (delta: -164.3kB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 23665.32ms. Allocated memory was 94.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 50.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 581.3MB. Max. memory is 16.1GB. * Witness Printer took 12.45ms. Allocated memory is still 1.9GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 2.6kB). 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int a = 0; [L719] 0 _Bool a$flush_delayed; [L720] 0 int a$mem_tmp; [L721] 0 _Bool a$r_buff0_thd0; [L722] 0 _Bool a$r_buff0_thd1; [L723] 0 _Bool a$r_buff0_thd2; [L724] 0 _Bool a$r_buff0_thd3; [L725] 0 _Bool a$r_buff0_thd4; [L726] 0 _Bool a$r_buff1_thd0; [L727] 0 _Bool a$r_buff1_thd1; [L728] 0 _Bool a$r_buff1_thd2; [L729] 0 _Bool a$r_buff1_thd3; [L730] 0 _Bool a$r_buff1_thd4; [L731] 0 _Bool a$read_delayed; [L732] 0 int *a$read_delayed_var; [L733] 0 int a$w_buff0; [L734] 0 _Bool a$w_buff0_used; [L735] 0 int a$w_buff1; [L736] 0 _Bool a$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L861] 0 pthread_t t1353; [L862] FCALL, FORK 0 pthread_create(&t1353, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 a$w_buff1 = a$w_buff0 [L751] 1 a$w_buff0 = 1 [L752] 1 a$w_buff1_used = a$w_buff0_used [L753] 1 a$w_buff0_used = (_Bool)1 [L754] CALL 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L754] RET 1 __VERIFIER_assert(!(a$w_buff1_used && a$w_buff0_used)) [L755] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L756] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L757] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L758] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L759] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L760] 1 a$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L863] 0 pthread_t t1354; [L864] FCALL, FORK 0 pthread_create(&t1354, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, t1354=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L763] 1 x = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 x = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L783] 2 __unbuffered_p1_EAX = y VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L786] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L787] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L788] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L789] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L790] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L865] 0 pthread_t t1355; [L866] FCALL, FORK 0 pthread_create(&t1355, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L800] 3 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L803] 3 __unbuffered_p2_EAX = z VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L867] 0 pthread_t t1356; [L868] FCALL, FORK 0 pthread_create(&t1356, ((void *)0), P3, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L806] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L807] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L808] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L809] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L810] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L820] 4 z = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L823] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L824] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L825] 4 a$flush_delayed = weak$$choice2 [L826] 4 a$mem_tmp = a [L827] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L828] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L829] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L830] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L831] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L832] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L833] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L834] 4 __unbuffered_p3_EAX = a [L835] 4 a = a$flush_delayed ? a$mem_tmp : a [L836] 4 a$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L839] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L840] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L841] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L842] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L843] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L766] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L767] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L768] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L769] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L770] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L846] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L870] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L872] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L872] RET 0 assume_abort_if_not(main$tmp_guard0) [L874] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L875] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L876] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L877] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L878] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L881] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1353=-1, t1354=0, t1355=1, t1356=2, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L883] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, z=1] [L17] 0 __assert_fail ("0", "mix051_power.oepc_power.opt_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=1, 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: 859]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 862]: 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: 868]: 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: 864]: 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: 866]: 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 9 procedures, 85 locations, 8 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: 23.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 16.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 670 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 641 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 149 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2159 IncrementalHoareTripleChecker+Invalid, 2203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 18 mSDtfsCounter, 2159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 284 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=6, InterpolantAutomatonStates: 61, 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: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 304 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 1052 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1190 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:27:58,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_74e99656-a7c8-4c97-9ae1-57a7fdf68308/bin/uautomizer-verify-jihMAELWvX/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