./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/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_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:25:02,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:25:02,255 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:25:02,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:25:02,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:25:02,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:25:02,339 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:25:02,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:25:02,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:25:02,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:25:02,342 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:25:02,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:25:02,344 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:25:02,347 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:25:02,348 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:25:02,348 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:25:02,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:25:02,349 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:25:02,349 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:25:02,350 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:25:02,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:25:02,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:25:02,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:25:02,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:25:02,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:25:02,368 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:25:02,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:25:02,369 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:25:02,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:25:02,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:25:02,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:25:02,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:25:02,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:25:02,373 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:25:02,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:25:02,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:25:02,374 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:25:02,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:25:02,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:25:02,375 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:25:02,375 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:25:02,376 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:25:02,376 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_25156e20-1077-44d9-a0e8-b440071061cd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2024-11-08 17:25:02,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:25:02,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:25:02,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:25:02,830 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:25:02,831 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:25:02,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i Unable to find full path for "g++" [2024-11-08 17:25:05,363 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:25:05,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:25:05,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2024-11-08 17:25:05,766 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/data/0246bfa48/6a72cc8f90a44328822d3b1100fe1d54/FLAG82585150a [2024-11-08 17:25:05,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/data/0246bfa48/6a72cc8f90a44328822d3b1100fe1d54 [2024-11-08 17:25:05,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:25:05,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:25:05,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:25:05,815 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:25:05,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:25:05,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:25:05" (1/1) ... [2024-11-08 17:25:05,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da3082d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:05, skipping insertion in model container [2024-11-08 17:25:05,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:25:05" (1/1) ... [2024-11-08 17:25:05,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:25:06,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2024-11-08 17:25:06,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:25:06,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:25:06,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2024-11-08 17:25:06,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:25:06,856 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:25:06,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06 WrapperNode [2024-11-08 17:25:06,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:25:06,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:25:06,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:25:06,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:25:06,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,920 INFO L138 Inliner]: procedures = 323, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2024-11-08 17:25:06,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:25:06,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:25:06,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:25:06,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:25:06,937 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,960 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-08 17:25:06,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,969 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:25:06,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:25:06,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:25:06,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:25:06,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (1/1) ... [2024-11-08 17:25:06,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:25:07,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:07,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:25:07,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:25:07,115 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 17:25:07,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 17:25:07,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:25:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:25:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2024-11-08 17:25:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2024-11-08 17:25:07,118 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-08 17:25:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-08 17:25:07,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-08 17:25:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-08 17:25:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-08 17:25:07,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-08 17:25:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:25:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:25:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 17:25:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:25:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:25:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:25:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:25:07,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:25:07,126 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 17:25:07,293 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:25:07,296 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:25:07,512 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:25:07,513 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:25:07,697 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:25:07,698 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:25:07,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:25:07 BoogieIcfgContainer [2024-11-08 17:25:07,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:25:07,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:25:07,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:25:07,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:25:07,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:25:05" (1/3) ... [2024-11-08 17:25:07,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c64c1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:25:07, skipping insertion in model container [2024-11-08 17:25:07,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:25:06" (2/3) ... [2024-11-08 17:25:07,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c64c1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:25:07, skipping insertion in model container [2024-11-08 17:25:07,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:25:07" (3/3) ... [2024-11-08 17:25:07,716 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2024-11-08 17:25:07,742 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:25:07,742 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:25:07,742 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:25:07,881 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2024-11-08 17:25:07,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 84 places, 74 transitions, 245 flow [2024-11-08 17:25:08,025 INFO L124 PetriNetUnfolderBase]: 6/46 cut-off events. [2024-11-08 17:25:08,025 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 17:25:08,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 46 events. 6/46 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 57. Up to 3 conditions per place. [2024-11-08 17:25:08,032 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 74 transitions, 245 flow [2024-11-08 17:25:08,039 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 43 transitions, 137 flow [2024-11-08 17:25:08,059 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:25:08,072 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=LoopHeads, 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;@21459aed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:25:08,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-08 17:25:08,118 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:25:08,119 INFO L124 PetriNetUnfolderBase]: 5/42 cut-off events. [2024-11-08 17:25:08,119 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-08 17:25:08,119 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:25:08,121 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, 1] [2024-11-08 17:25:08,122 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-11-08 17:25:08,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:08,131 INFO L85 PathProgramCache]: Analyzing trace with hash 587558704, now seen corresponding path program 1 times [2024-11-08 17:25:08,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:08,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209028532] [2024-11-08 17:25:08,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:08,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:09,259 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 17:25:09,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:25:09,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209028532] [2024-11-08 17:25:09,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209028532] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:25:09,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:25:09,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:25:09,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120578719] [2024-11-08 17:25:09,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:25:09,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:25:09,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:09,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:25:09,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:25:09,348 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 76 [2024-11-08 17:25:09,353 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 43 transitions, 137 flow. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 17:25:09,353 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:25:09,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 76 [2024-11-08 17:25:09,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:25:10,274 INFO L124 PetriNetUnfolderBase]: 2352/3341 cut-off events. [2024-11-08 17:25:10,274 INFO L125 PetriNetUnfolderBase]: For 361/361 co-relation queries the response was YES. [2024-11-08 17:25:10,293 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7173 conditions, 3341 events. 2352/3341 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 15257 event pairs, 1026 based on Foata normal form. 1/3146 useless extension candidates. Maximal degree in co-relation 7146. Up to 2111 conditions per place. [2024-11-08 17:25:10,318 INFO L140 encePairwiseOnDemand]: 70/76 looper letters, 53 selfloop transitions, 4 changer transitions 5/67 dead transitions. [2024-11-08 17:25:10,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 342 flow [2024-11-08 17:25:10,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:25:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 17:25:10,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 123 transitions. [2024-11-08 17:25:10,338 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40460526315789475 [2024-11-08 17:25:10,341 INFO L175 Difference]: Start difference. First operand has 57 places, 43 transitions, 137 flow. Second operand 4 states and 123 transitions. [2024-11-08 17:25:10,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 342 flow [2024-11-08 17:25:10,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 67 transitions, 286 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-08 17:25:10,368 INFO L231 Difference]: Finished difference. Result has 50 places, 46 transitions, 131 flow [2024-11-08 17:25:10,370 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=131, PETRI_PLACES=50, PETRI_TRANSITIONS=46} [2024-11-08 17:25:10,378 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -7 predicate places. [2024-11-08 17:25:10,379 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 46 transitions, 131 flow [2024-11-08 17:25:10,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 17:25:10,379 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:25:10,379 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, 1] [2024-11-08 17:25:10,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:25:10,380 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-11-08 17:25:10,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:10,381 INFO L85 PathProgramCache]: Analyzing trace with hash -786577454, now seen corresponding path program 1 times [2024-11-08 17:25:10,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:10,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342931930] [2024-11-08 17:25:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:10,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:10,752 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 17:25:10,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:25:10,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342931930] [2024-11-08 17:25:10,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342931930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:25:10,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:25:10,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:25:10,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972452687] [2024-11-08 17:25:10,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:25:10,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:25:10,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:10,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:25:10,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:25:10,764 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 76 [2024-11-08 17:25:10,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 46 transitions, 131 flow. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 17:25:10,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:25:10,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 76 [2024-11-08 17:25:10,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:25:11,361 INFO L124 PetriNetUnfolderBase]: 2352/3336 cut-off events. [2024-11-08 17:25:11,362 INFO L125 PetriNetUnfolderBase]: For 948/948 co-relation queries the response was YES. [2024-11-08 17:25:11,372 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7959 conditions, 3336 events. 2352/3336 cut-off events. For 948/948 co-relation queries the response was YES. Maximal size of possible extension queue 171. Compared 15089 event pairs, 737 based on Foata normal form. 1/3143 useless extension candidates. Maximal degree in co-relation 7954. Up to 2056 conditions per place. [2024-11-08 17:25:11,377 INFO L140 encePairwiseOnDemand]: 70/76 looper letters, 0 selfloop transitions, 0 changer transitions 70/70 dead transitions. [2024-11-08 17:25:11,377 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 70 transitions, 330 flow [2024-11-08 17:25:11,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:25:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-08 17:25:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 124 transitions. [2024-11-08 17:25:11,379 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.40789473684210525 [2024-11-08 17:25:11,380 INFO L175 Difference]: Start difference. First operand has 50 places, 46 transitions, 131 flow. Second operand 4 states and 124 transitions. [2024-11-08 17:25:11,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 70 transitions, 330 flow [2024-11-08 17:25:11,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 70 transitions, 325 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:25:11,382 INFO L231 Difference]: Finished difference. Result has 49 places, 0 transitions, 0 flow [2024-11-08 17:25:11,383 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=76, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=49, PETRI_TRANSITIONS=0} [2024-11-08 17:25:11,383 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -8 predicate places. [2024-11-08 17:25:11,384 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 0 transitions, 0 flow [2024-11-08 17:25:11,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 17:25:11,387 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-11-08 17:25:11,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2024-11-08 17:25:11,388 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2024-11-08 17:25:11,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2024-11-08 17:25:11,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2024-11-08 17:25:11,389 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2024-11-08 17:25:11,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining) [2024-11-08 17:25:11,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2024-11-08 17:25:11,390 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2024-11-08 17:25:11,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2024-11-08 17:25:11,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2024-11-08 17:25:11,391 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2024-11-08 17:25:11,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:25:11,392 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 17:25:11,404 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:25:11,405 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:25:11,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:25:11 BasicIcfg [2024-11-08 17:25:11,415 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:25:11,416 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:25:11,416 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:25:11,416 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:25:11,417 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:25:07" (3/4) ... [2024-11-08 17:25:11,421 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:25:11,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2024-11-08 17:25:11,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-08 17:25:11,426 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-08 17:25:11,427 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-08 17:25:11,433 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2024-11-08 17:25:11,434 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-08 17:25:11,434 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:25:11,435 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-08 17:25:11,554 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:25:11,554 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:25:11,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:25:11,556 INFO L158 Benchmark]: Toolchain (without parser) took 5743.79ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 135.8MB in the beginning and 62.6MB in the end (delta: 73.3MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2024-11-08 17:25:11,556 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:25:11,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1042.48ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 100.7MB in the end (delta: 34.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-11-08 17:25:11,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.25ms. Allocated memory is still 165.7MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:25:11,557 INFO L158 Benchmark]: Boogie Preprocessor took 54.23ms. Allocated memory is still 165.7MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:25:11,558 INFO L158 Benchmark]: RCFGBuilder took 719.58ms. Allocated memory is still 165.7MB. Free memory was 95.3MB in the beginning and 111.1MB in the end (delta: -15.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:25:11,559 INFO L158 Benchmark]: TraceAbstraction took 3709.92ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 110.1MB in the beginning and 66.8MB in the end (delta: 43.3MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. [2024-11-08 17:25:11,559 INFO L158 Benchmark]: Witness Printer took 138.86ms. Allocated memory is still 199.2MB. Free memory was 66.8MB in the beginning and 62.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:25:11,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 127.9MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1042.48ms. Allocated memory is still 165.7MB. Free memory was 135.6MB in the beginning and 100.7MB in the end (delta: 34.9MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.25ms. Allocated memory is still 165.7MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.23ms. Allocated memory is still 165.7MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 719.58ms. Allocated memory is still 165.7MB. Free memory was 95.3MB in the beginning and 111.1MB in the end (delta: -15.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3709.92ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 110.1MB in the beginning and 66.8MB in the end (delta: 43.3MB). Peak memory consumption was 79.0MB. Max. memory is 16.1GB. * Witness Printer took 138.86ms. Allocated memory is still 199.2MB. Free memory was 66.8MB in the beginning and 62.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1123]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 11 procedures, 87 locations, 12 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: 3.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 2 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 158 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:25:11,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25156e20-1077-44d9-a0e8-b440071061cd/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: TRUE