./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-12.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_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:06:34,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:06:34,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-11-08 12:06:34,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:06:34,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:06:34,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:06:34,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:06:34,701 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:06:34,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:06:34,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:06:34,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:06:34,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:06:34,704 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:06:34,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:06:34,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:06:34,716 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:06:34,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:06:34,720 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:06:34,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:06:34,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:06:34,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:06:34,721 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:06:34,721 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:06:34,722 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:06:34,722 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:06:34,722 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:06:34,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:06:34,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:06:34,723 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:06:34,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:06:34,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:06:34,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:06:34,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:06:34,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:06:34,725 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:06:34,725 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-11-08 12:06:34,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:06:34,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:06:34,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:06:34,726 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:06:34,727 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:06:34,728 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5255e9cc8ffb776115e75fa8fa1fa6c2774a79275dfd8235c357288b00417c [2024-11-08 12:06:35,036 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:06:35,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:06:35,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:06:35,078 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:06:35,079 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:06:35,080 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread/fib_unsafe-12.i Unable to find full path for "g++" [2024-11-08 12:06:36,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:06:37,171 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:06:37,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/sv-benchmarks/c/pthread/fib_unsafe-12.i [2024-11-08 12:06:37,192 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/data/afa3a060c/815190902063499db216cdee62375f11/FLAGe035056f8 [2024-11-08 12:06:37,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/data/afa3a060c/815190902063499db216cdee62375f11 [2024-11-08 12:06:37,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:06:37,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:06:37,239 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:06:37,239 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:06:37,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:06:37,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:37,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@290ca096 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37, skipping insertion in model container [2024-11-08 12:06:37,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:37,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:06:37,758 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_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2024-11-08 12:06:37,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:06:37,803 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:06:37,863 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_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/sv-benchmarks/c/pthread/fib_unsafe-12.i[30243,30256] [2024-11-08 12:06:37,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:06:37,923 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:06:37,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37 WrapperNode [2024-11-08 12:06:37,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:06:37,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:06:37,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:06:37,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:06:37,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:37,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:37,978 INFO L138 Inliner]: procedures = 164, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-08 12:06:37,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:06:37,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:06:37,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:06:37,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:06:37,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:37,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:37,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:37,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:38,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:38,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:38,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:38,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:38,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:06:38,025 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:06:38,025 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:06:38,025 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:06:38,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (1/1) ... [2024-11-08 12:06:38,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:06:38,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:38,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:06:38,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:06:38,126 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-08 12:06:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-08 12:06:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-08 12:06:38,127 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-08 12:06:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 12:06:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:06:38,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:06:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 12:06:38,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:06:38,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:06:38,129 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 12:06:38,348 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:06:38,350 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:06:38,567 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:06:38,567 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:06:38,684 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:06:38,684 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:06:38,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:06:38 BoogieIcfgContainer [2024-11-08 12:06:38,685 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:06:38,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:06:38,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:06:38,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:06:38,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:06:37" (1/3) ... [2024-11-08 12:06:38,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a13d161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:06:38, skipping insertion in model container [2024-11-08 12:06:38,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:06:37" (2/3) ... [2024-11-08 12:06:38,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a13d161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:06:38, skipping insertion in model container [2024-11-08 12:06:38,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:06:38" (3/3) ... [2024-11-08 12:06:38,698 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-12.i [2024-11-08 12:06:38,719 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:06:38,719 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 12:06:38,719 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:06:38,769 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:06:38,833 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:38,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:06:38,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:38,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:06:38,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:06:38,871 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:06:38,889 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:06:38,898 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=PARTIAL_ORDER_FA, 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;@7ccf4fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:06:38,899 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 12:06:39,291 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:39,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:39,300 INFO L85 PathProgramCache]: Analyzing trace with hash 587658776, now seen corresponding path program 1 times [2024-11-08 12:06:39,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:39,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038429201] [2024-11-08 12:06:39,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:39,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:39,664 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 12:06:39,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:39,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038429201] [2024-11-08 12:06:39,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038429201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:39,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:39,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:06:39,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350585167] [2024-11-08 12:06:39,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:39,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:39,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:39,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:39,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:06:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:39,713 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:39,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 12:06:39,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:06:40,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:40,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:40,107 INFO L85 PathProgramCache]: Analyzing trace with hash 719559066, now seen corresponding path program 1 times [2024-11-08 12:06:40,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:40,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544373057] [2024-11-08 12:06:40,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:40,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:40,284 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 12:06:40,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:40,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544373057] [2024-11-08 12:06:40,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544373057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:40,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:40,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:06:40,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293924193] [2024-11-08 12:06:40,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:40,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:40,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:40,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:40,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:06:40,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:40,292 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:40,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 12:06:40,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:40,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:06:40,591 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:40,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:40,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1570142820, now seen corresponding path program 1 times [2024-11-08 12:06:40,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:40,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888742649] [2024-11-08 12:06:40,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:40,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:40,714 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 12:06:40,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:40,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888742649] [2024-11-08 12:06:40,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888742649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:06:40,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:06:40,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 12:06:40,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210250370] [2024-11-08 12:06:40,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:06:40,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:06:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:40,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:06:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:06:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:40,719 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:40,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 12:06:40,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:40,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:40,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:06:40,802 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:40,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:40,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1019504434, now seen corresponding path program 1 times [2024-11-08 12:06:40,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:40,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114702358] [2024-11-08 12:06:40,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:40,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:40,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:40,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114702358] [2024-11-08 12:06:40,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114702358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:40,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345308266] [2024-11-08 12:06:40,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:40,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:40,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:40,934 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:40,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 12:06:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:41,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:06:41,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:41,124 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:41,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345308266] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:41,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:41,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 12:06:41,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003360099] [2024-11-08 12:06:41,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:41,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:06:41,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:41,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:06:41,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:06:41,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:41,186 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:41,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:06:41,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:41,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:41,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:41,479 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:41,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:41,479 INFO L85 PathProgramCache]: Analyzing trace with hash -888591308, now seen corresponding path program 1 times [2024-11-08 12:06:41,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:41,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911342227] [2024-11-08 12:06:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:41,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:41,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:41,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911342227] [2024-11-08 12:06:41,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911342227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:41,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [442996676] [2024-11-08 12:06:41,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:41,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:41,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:41,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:41,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 12:06:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:41,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:06:41,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:41,712 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:41,764 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:41,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [442996676] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:41,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:41,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 12:06:41,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759600608] [2024-11-08 12:06:41,765 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:41,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:06:41,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:41,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:06:41,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:06:41,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:41,769 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:41,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 12:06:41,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:41,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:41,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:42,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:42,041 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:42,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:42,042 INFO L85 PathProgramCache]: Analyzing trace with hash -814425674, now seen corresponding path program 1 times [2024-11-08 12:06:42,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:42,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812623877] [2024-11-08 12:06:42,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:42,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:42,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:42,157 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:42,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:42,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812623877] [2024-11-08 12:06:42,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812623877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:42,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277865812] [2024-11-08 12:06:42,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:42,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:42,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:42,163 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:42,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 12:06:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:42,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 12:06:42,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:42,302 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:42,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:42,349 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:42,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277865812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:42,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:42,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 12:06:42,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499585272] [2024-11-08 12:06:42,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:42,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 12:06:42,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:42,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 12:06:42,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 12:06:42,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:42,353 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:42,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 12:06:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:42,353 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-08 12:06:42,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:42,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:42,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:42,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:42,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:42,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:42,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:42,766 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:42,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:42,766 INFO L85 PathProgramCache]: Analyzing trace with hash -695425152, now seen corresponding path program 2 times [2024-11-08 12:06:42,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:42,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868546752] [2024-11-08 12:06:42,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:42,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:42,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:42,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868546752] [2024-11-08 12:06:42,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868546752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:42,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308408995] [2024-11-08 12:06:42,942 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:06:42,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:42,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:42,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:42,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 12:06:43,039 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:06:43,040 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:43,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:06:43,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:43,142 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 8 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:43,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308408995] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:43,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:43,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-08 12:06:43,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529655309] [2024-11-08 12:06:43,299 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:43,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:06:43,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:43,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:06:43,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:06:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:43,303 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:43,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 13 states have internal predecessors, (115), 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 12:06:43,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:43,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:43,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:43,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:43,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:43,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:43,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:43,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:43,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:43,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:43,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:43,625 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:43,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:43,626 INFO L85 PathProgramCache]: Analyzing trace with hash 331518210, now seen corresponding path program 2 times [2024-11-08 12:06:43,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:43,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523982712] [2024-11-08 12:06:43,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:43,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:43,784 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:43,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:43,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523982712] [2024-11-08 12:06:43,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523982712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:43,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143306399] [2024-11-08 12:06:43,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:06:43,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:43,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:43,789 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:43,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 12:06:43,884 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:06:43,884 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:43,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:06:43,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:43,984 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:44,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143306399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:44,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:44,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-08 12:06:44,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99777490] [2024-11-08 12:06:44,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:44,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:06:44,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:44,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:06:44,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:06:44,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:44,130 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:44,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 13 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 12:06:44,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:44,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:44,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:44,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:44,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-08 12:06:44,425 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:44,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:44,425 INFO L85 PathProgramCache]: Analyzing trace with hash -815250684, now seen corresponding path program 2 times [2024-11-08 12:06:44,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:44,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302443582] [2024-11-08 12:06:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:44,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:44,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:44,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302443582] [2024-11-08 12:06:44,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302443582] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:44,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467723279] [2024-11-08 12:06:44,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 12:06:44,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:44,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:44,584 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:44,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 12:06:44,670 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 12:06:44,670 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:44,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 12:06:44,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:44,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:44,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467723279] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:44,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:44,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-08 12:06:44,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096647266] [2024-11-08 12:06:44,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:44,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 12:06:44,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:44,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 12:06:44,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-08 12:06:44,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:44,893 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:44,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 13 states have internal predecessors, (125), 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 12:06:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-08 12:06:44,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:45,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:45,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:45,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:45,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:45,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:45,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 12:06:45,361 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-08 12:06:45,361 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:45,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:45,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1762726556, now seen corresponding path program 3 times [2024-11-08 12:06:45,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:45,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482117365] [2024-11-08 12:06:45,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:45,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:45,816 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:45,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:45,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482117365] [2024-11-08 12:06:45,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482117365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:45,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503123760] [2024-11-08 12:06:45,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 12:06:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:45,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:45,822 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:45,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 12:06:45,949 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-08 12:06:45,949 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:45,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 12:06:45,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:46,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:46,768 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:46,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503123760] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:46,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:46,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 35 [2024-11-08 12:06:46,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31344043] [2024-11-08 12:06:46,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:46,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-08 12:06:46,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:46,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-08 12:06:46,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 12:06:46,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:46,773 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:46,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 9.6) internal successors, (336), 35 states have internal predecessors, (336), 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 12:06:46,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:46,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:46,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:46,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:46,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:46,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:46,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:46,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:46,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:46,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:47,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:47,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:47,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:47,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:47,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:47,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:06:47,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 12:06:47,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:47,705 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:47,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:47,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1715207560, now seen corresponding path program 4 times [2024-11-08 12:06:47,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:47,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60234968] [2024-11-08 12:06:47,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:47,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 261 proven. 500 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 12:06:48,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:48,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60234968] [2024-11-08 12:06:48,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60234968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:48,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650507018] [2024-11-08 12:06:48,137 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 12:06:48,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:48,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:48,139 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:48,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 12:06:48,284 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 12:06:48,285 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:48,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 12:06:48,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 261 proven. 500 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 12:06:48,460 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 261 proven. 500 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 12:06:48,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650507018] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:48,734 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:48,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 15 [2024-11-08 12:06:48,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117746594] [2024-11-08 12:06:48,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:48,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 12:06:48,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 12:06:48,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:06:48,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:48,737 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:48,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.933333333333334) internal successors, (149), 15 states have internal predecessors, (149), 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 12:06:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:48,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:48,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:48,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:48,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:06:48,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:48,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:06:48,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:48,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 12:06:49,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-08 12:06:49,126 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:49,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:49,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1743054720, now seen corresponding path program 5 times [2024-11-08 12:06:49,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:49,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461579019] [2024-11-08 12:06:49,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 308 proven. 561 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 12:06:49,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:49,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461579019] [2024-11-08 12:06:49,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461579019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:49,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750025418] [2024-11-08 12:06:49,602 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 12:06:49,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:49,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:49,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:49,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-08 12:06:49,755 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-08 12:06:49,755 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:49,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 12:06:49,762 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 308 proven. 561 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 12:06:49,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 308 proven. 561 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-08 12:06:50,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750025418] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:50,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:50,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 15 [2024-11-08 12:06:50,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502961395] [2024-11-08 12:06:50,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:50,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 12:06:50,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:50,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 12:06:50,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2024-11-08 12:06:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:50,242 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:50,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 9.666666666666666) internal successors, (145), 15 states have internal predecessors, (145), 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 12:06:50,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:50,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:06:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:50,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:06:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:50,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-08 12:06:50,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 12:06:50,627 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:50,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:50,628 INFO L85 PathProgramCache]: Analyzing trace with hash 41953924, now seen corresponding path program 6 times [2024-11-08 12:06:50,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:50,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567480598] [2024-11-08 12:06:50,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:50,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:06:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 1036 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:51,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:06:51,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567480598] [2024-11-08 12:06:51,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567480598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 12:06:51,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326735820] [2024-11-08 12:06:51,507 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 12:06:51,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 12:06:51,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:06:51,509 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 12:06:51,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-08 12:06:51,657 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2024-11-08 12:06:51,657 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 12:06:51,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 12:06:51,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 12:06:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 1036 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:51,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 12:06:52,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 0 proven. 1036 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:06:52,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326735820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 12:06:52,554 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 12:06:52,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 29 [2024-11-08 12:06:52,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943269623] [2024-11-08 12:06:52,554 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 12:06:52,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-08 12:06:52,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:06:52,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-08 12:06:52,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2024-11-08 12:06:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:52,557 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:06:52,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 7.137931034482759) internal successors, (207), 29 states have internal predecessors, (207), 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 12:06:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:06:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:52,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:06:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:52,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-08 12:06:52,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 12:06:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 12:06:52,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-08 12:06:53,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-08 12:06:53,026 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:06:53,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:06:53,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1602940876, now seen corresponding path program 7 times [2024-11-08 12:06:53,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:06:53,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401953030] [2024-11-08 12:06:53,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:06:53,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:06:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:06:53,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:06:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:06:53,325 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:06:53,325 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:06:53,326 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-08 12:06:53,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-08 12:06:53,329 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-08 12:06:53,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 12:06:53,337 INFO L407 BasicCegarLoop]: Path program histogram: [7, 2, 2, 1, 1, 1] [2024-11-08 12:06:53,551 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 12:06:53,551 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:06:53,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-08 12:06:53,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:06:53 BasicIcfg [2024-11-08 12:06:53,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:06:53,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:06:53,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:06:53,578 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:06:53,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:06:38" (3/4) ... [2024-11-08 12:06:53,580 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 12:06:53,757 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/witness.graphml [2024-11-08 12:06:53,757 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:06:53,758 INFO L158 Benchmark]: Toolchain (without parser) took 16540.75ms. Allocated memory was 127.9MB in the beginning and 262.1MB in the end (delta: 134.2MB). Free memory was 62.6MB in the beginning and 109.1MB in the end (delta: -46.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-11-08 12:06:53,758 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 100.1MB in the beginning and 99.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:06:53,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.65ms. Allocated memory is still 180.4MB. Free memory was 151.1MB in the beginning and 130.3MB in the end (delta: 20.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-11-08 12:06:53,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.91ms. Allocated memory is still 180.4MB. Free memory was 130.3MB in the beginning and 128.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:06:53,759 INFO L158 Benchmark]: Boogie Preprocessor took 42.12ms. Allocated memory is still 180.4MB. Free memory was 128.3MB in the beginning and 127.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:06:53,759 INFO L158 Benchmark]: RCFGBuilder took 661.00ms. Allocated memory is still 180.4MB. Free memory was 127.1MB in the beginning and 130.4MB in the end (delta: -3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 12:06:53,760 INFO L158 Benchmark]: TraceAbstraction took 14889.35ms. Allocated memory was 180.4MB in the beginning and 262.1MB in the end (delta: 81.8MB). Free memory was 129.5MB in the beginning and 146.5MB in the end (delta: -17.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-11-08 12:06:53,760 INFO L158 Benchmark]: Witness Printer took 179.60ms. Allocated memory is still 262.1MB. Free memory was 146.5MB in the beginning and 109.1MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-08 12:06:53,762 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory was 100.1MB in the beginning and 99.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.65ms. Allocated memory is still 180.4MB. Free memory was 151.1MB in the beginning and 130.3MB in the end (delta: 20.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.91ms. Allocated memory is still 180.4MB. Free memory was 130.3MB in the beginning and 128.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.12ms. Allocated memory is still 180.4MB. Free memory was 128.3MB in the beginning and 127.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 661.00ms. Allocated memory is still 180.4MB. Free memory was 127.1MB in the beginning and 130.4MB in the end (delta: -3.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 14889.35ms. Allocated memory was 180.4MB in the beginning and 262.1MB in the end (delta: 81.8MB). Free memory was 129.5MB in the beginning and 146.5MB in the end (delta: -17.0MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Witness Printer took 179.60ms. Allocated memory is still 262.1MB. Free memory was 146.5MB in the beginning and 109.1MB in the end (delta: 37.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7480, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 2248, dependent conditional: 2241, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 0, independent unconditional: 5232, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 0, independent unconditional: 5232, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, independent: 512, independent conditional: 0, independent unconditional: 512, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, independent: 511, independent conditional: 0, independent unconditional: 511, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 798, independent: 193, independent conditional: 0, independent unconditional: 193, dependent: 605, dependent conditional: 0, dependent unconditional: 605, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5239, independent: 4720, independent conditional: 0, independent unconditional: 4720, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 519, unknown conditional: 0, unknown unconditional: 519] , Statistics on independence cache: Total cache size (in pairs): 519, Positive cache size: 512, Positive conditional cache size: 0, Positive unconditional cache size: 512, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4680, Maximal queried relation: 0, Independence queries for same thread: 2241, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 50, Number of trivial persistent sets: 28, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559, independent: 552, independent conditional: 0, independent unconditional: 552, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7480, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 2248, dependent conditional: 2241, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 4680, independent unconditional: 552, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 0, independent unconditional: 5232, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5239, independent: 5232, independent conditional: 0, independent unconditional: 5232, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, independent: 512, independent conditional: 0, independent unconditional: 512, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, independent: 511, independent conditional: 0, independent unconditional: 511, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 798, independent: 193, independent conditional: 0, independent unconditional: 193, dependent: 605, dependent conditional: 0, dependent unconditional: 605, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5239, independent: 4720, independent conditional: 0, independent unconditional: 4720, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 519, unknown conditional: 0, unknown unconditional: 519] , Statistics on independence cache: Total cache size (in pairs): 519, Positive cache size: 512, Positive conditional cache size: 0, Positive unconditional cache size: 512, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4680, Maximal queried relation: 0, Independence queries for same thread: 2241 - CounterExampleResult [Line: 681]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int i, j; [L685] 0 int p, q; [L702] 0 int cur = 1, prev = 0, next = 0; [L703] 0 int x; [L713] 0 pthread_t id1, id2; VAL [\old(argc)=196419, \old(argv)={196420:196421}, argc=196419, cur=1, i=0, j=0, next=0, p=0, prev=0, q=0, x=0] [L715] 0 i = 1 VAL [\old(argc)=196419, \old(argv)={196420:196421}, argc=196419, cur=1, i=1, j=0, next=0, p=0, prev=0, q=0, x=0] [L718] 0 j = 1 VAL [\old(argc)=196419, \old(argv)={196420:196421}, argc=196419, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L720] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(arg)={0:0}, \old(argc)=196419, \old(argv)={196420:196421}, argc=196419, cur=1, i=1, id1=-2, j=1, next=0, p=0, prev=0, q=0, x=0] [L687] 1 p = 0 VAL [\old(arg)={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L721] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=196419, \old(argv)={196420:196421}, arg={0:0}, argc=196419, cur=1, i=1, id1=-2, id2=-1, j=1, next=0, p=0, prev=0, q=0, x=0] [L695] 2 q = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L722] CALL, EXPR 0 fib() [L705] 0 x = 0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=1, next=0, p=0, prev=0, q=0, x=0] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=1, next=0, p=1, prev=0, q=0, x=0] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=1, next=0, p=1, prev=0, q=0, x=0] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=1, next=0, p=1, prev=0, q=0, x=0] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=0, p=1, prev=0, q=0, x=0] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=0, p=1, prev=0, q=1, x=0] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=0, p=1, prev=0, q=1, x=0] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=1, q=1, x=1] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=1, q=1, x=1] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=2, j=3, next=1, p=1, prev=1, q=1, x=1] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=3, next=1, p=1, prev=1, q=1, x=1] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=3, next=1, p=2, prev=1, q=1, x=1] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=3, next=1, p=2, prev=1, q=1, x=1] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=3, next=1, p=2, prev=1, q=1, x=1] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=1, p=2, prev=1, q=1, x=1] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=1, p=2, prev=1, q=2, x=1] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=1, i=5, j=8, next=1, p=2, prev=1, q=2, x=1] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=5, j=8, next=2, p=2, prev=1, q=2, x=2] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=5, j=8, next=2, p=2, prev=1, q=2, x=2] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=5, j=8, next=2, p=2, prev=1, q=2, x=2] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=8, next=2, p=2, prev=1, q=2, x=2] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=8, next=2, p=3, prev=1, q=2, x=2] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=8, next=2, p=3, prev=1, q=2, x=2] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=8, next=2, p=3, prev=1, q=2, x=2] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=2, p=3, prev=1, q=2, x=2] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=2, p=3, prev=1, q=3, x=2] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=2, i=13, j=21, next=2, p=3, prev=1, q=3, x=2] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=13, j=21, next=3, p=3, prev=2, q=3, x=3] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=13, j=21, next=3, p=3, prev=2, q=3, x=3] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=13, j=21, next=3, p=3, prev=2, q=3, x=3] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=21, next=3, p=3, prev=2, q=3, x=3] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=21, next=3, p=4, prev=2, q=3, x=3] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=21, next=3, p=4, prev=2, q=3, x=3] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=21, next=3, p=4, prev=2, q=3, x=3] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=3, p=4, prev=2, q=3, x=3] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=3, p=4, prev=2, q=4, x=3] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=3, i=34, j=55, next=3, p=4, prev=2, q=4, x=3] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=34, j=55, next=5, p=4, prev=3, q=4, x=4] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=34, j=55, next=5, p=4, prev=3, q=4, x=4] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=34, j=55, next=5, p=4, prev=3, q=4, x=4] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=55, next=5, p=4, prev=3, q=4, x=4] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=55, next=5, p=5, prev=3, q=4, x=4] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=55, next=5, p=5, prev=3, q=4, x=4] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=55, next=5, p=5, prev=3, q=4, x=4] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=5, p=5, prev=3, q=4, x=4] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=5, p=5, prev=3, q=5, x=4] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=5, i=89, j=144, next=5, p=5, prev=3, q=5, x=4] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=89, j=144, next=8, p=5, prev=5, q=5, x=5] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=233, j=144, next=8, p=5, prev=5, q=5, x=5] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=233, j=144, next=8, p=6, prev=5, q=5, x=5] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=233, j=144, next=8, p=6, prev=5, q=5, x=5] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=233, j=144, next=8, p=6, prev=5, q=5, x=5] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=233, j=377, next=8, p=6, prev=5, q=5, x=5] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=233, j=377, next=8, p=6, prev=5, q=6, x=5] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=8, i=233, j=377, next=8, p=6, prev=5, q=6, x=5] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=233, j=377, next=13, p=6, prev=8, q=6, x=6] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=233, j=377, next=13, p=6, prev=8, q=6, x=6] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=233, j=377, next=13, p=6, prev=8, q=6, x=6] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=610, j=377, next=13, p=6, prev=8, q=6, x=6] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=610, j=377, next=13, p=7, prev=8, q=6, x=6] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=610, j=377, next=13, p=7, prev=8, q=6, x=6] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=610, j=377, next=13, p=7, prev=8, q=6, x=6] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=610, j=987, next=13, p=7, prev=8, q=6, x=6] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=610, j=987, next=13, p=7, prev=8, q=7, x=6] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=13, i=610, j=987, next=13, p=7, prev=8, q=7, x=6] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=610, j=987, next=21, p=7, prev=13, q=7, x=7] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=610, j=987, next=21, p=7, prev=13, q=7, x=7] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=610, j=987, next=21, p=7, prev=13, q=7, x=7] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=1597, j=987, next=21, p=7, prev=13, q=7, x=7] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=1597, j=987, next=21, p=8, prev=13, q=7, x=7] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=1597, j=987, next=21, p=8, prev=13, q=7, x=7] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=1597, j=987, next=21, p=8, prev=13, q=7, x=7] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=1597, j=2584, next=21, p=8, prev=13, q=7, x=7] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=1597, j=2584, next=21, p=8, prev=13, q=8, x=7] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=21, i=1597, j=2584, next=21, p=8, prev=13, q=8, x=7] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=1597, j=2584, next=34, p=8, prev=21, q=8, x=8] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=1597, j=2584, next=34, p=8, prev=21, q=8, x=8] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=1597, j=2584, next=34, p=8, prev=21, q=8, x=8] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=4181, j=2584, next=34, p=8, prev=21, q=8, x=8] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=4181, j=2584, next=34, p=9, prev=21, q=8, x=8] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=4181, j=2584, next=34, p=9, prev=21, q=8, x=8] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=4181, j=2584, next=34, p=9, prev=21, q=8, x=8] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=4181, j=6765, next=34, p=9, prev=21, q=8, x=8] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=4181, j=6765, next=34, p=9, prev=21, q=9, x=8] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=34, i=4181, j=6765, next=34, p=9, prev=21, q=9, x=8] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=4181, j=6765, next=55, p=9, prev=34, q=9, x=9] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=4181, j=6765, next=55, p=9, prev=34, q=9, x=9] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=4181, j=6765, next=55, p=9, prev=34, q=9, x=9] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=10946, j=6765, next=55, p=9, prev=34, q=9, x=9] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=10946, j=6765, next=55, p=10, prev=34, q=9, x=9] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=10946, j=6765, next=55, p=10, prev=34, q=9, x=9] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=10946, j=6765, next=55, p=10, prev=34, q=9, x=9] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=10946, j=17711, next=55, p=10, prev=34, q=9, x=9] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=10946, j=17711, next=55, p=10, prev=34, q=10, x=9] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=55, i=10946, j=17711, next=55, p=10, prev=34, q=10, x=9] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=10946, j=17711, next=89, p=10, prev=55, q=10, x=10] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=10946, j=17711, next=89, p=10, prev=55, q=10, x=10] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=10946, j=17711, next=89, p=10, prev=55, q=10, x=10] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=28657, j=17711, next=89, p=10, prev=55, q=10, x=10] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=28657, j=17711, next=89, p=11, prev=55, q=10, x=10] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=28657, j=17711, next=89, p=11, prev=55, q=10, x=10] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=28657, j=17711, next=89, p=11, prev=55, q=10, x=10] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=28657, j=46368, next=89, p=11, prev=55, q=10, x=10] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=28657, j=46368, next=89, p=11, prev=55, q=11, x=10] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=89, i=28657, j=46368, next=89, p=11, prev=55, q=11, x=10] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=28657, j=46368, next=144, p=11, prev=89, q=11, x=11] [L687] COND FALSE 1 !(p < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=28657, j=46368, next=144, p=11, prev=89, q=11, x=11] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=28657, j=46368, next=144, p=11, prev=89, q=11, x=11] [L689] 1 i = i + j VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=75025, j=46368, next=144, p=11, prev=89, q=11, x=11] [L687] 1 p++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=75025, j=46368, next=144, p=12, prev=89, q=11, x=11] [L695] COND FALSE 2 !(q < 12) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=75025, j=46368, next=144, p=12, prev=89, q=11, x=11] [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=75025, j=46368, next=144, p=12, prev=89, q=11, x=11] [L697] 2 j = j + i VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=75025, j=121393, next=144, p=12, prev=89, q=11, x=11] [L695] 2 q++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=75025, j=121393, next=144, p=12, prev=89, q=12, x=11] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=144, i=75025, j=121393, next=144, p=12, prev=89, q=12, x=11] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=233, i=75025, j=121393, next=233, p=12, prev=144, q=12, x=12] [L687] COND TRUE 1 p < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, arg={0:0}, arg={0:0}, cur=233, i=75025, j=121393, next=233, p=12, prev=144, q=12, x=12] [L692] 1 return ((void *)0); [L695] COND TRUE 2 q < 12 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, i=75025, j=121393, next=233, p=12, prev=144, q=12, x=12] [L700] 2 return ((void *)0); [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=233, i=75025, j=121393, next=233, p=12, prev=144, q=12, x=12] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=377, i=75025, j=121393, next=377, p=12, prev=233, q=12, x=13] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=377, i=75025, j=121393, next=377, p=12, prev=233, q=12, x=13] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=610, i=75025, j=121393, next=610, p=12, prev=377, q=12, x=14] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=610, i=75025, j=121393, next=610, p=12, prev=377, q=12, x=14] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=987, i=75025, j=121393, next=987, p=12, prev=610, q=12, x=15] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=987, i=75025, j=121393, next=987, p=12, prev=610, q=12, x=15] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=1597, i=75025, j=121393, next=1597, p=12, prev=987, q=12, x=16] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=1597, i=75025, j=121393, next=1597, p=12, prev=987, q=12, x=16] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=2584, i=75025, j=121393, next=2584, p=12, prev=1597, q=12, x=17] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=2584, i=75025, j=121393, next=2584, p=12, prev=1597, q=12, x=17] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=4181, i=75025, j=121393, next=4181, p=12, prev=2584, q=12, x=18] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=4181, i=75025, j=121393, next=4181, p=12, prev=2584, q=12, x=18] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=6765, i=75025, j=121393, next=6765, p=12, prev=4181, q=12, x=19] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=6765, i=75025, j=121393, next=6765, p=12, prev=4181, q=12, x=19] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=10946, i=75025, j=121393, next=10946, p=12, prev=6765, q=12, x=20] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=10946, i=75025, j=121393, next=10946, p=12, prev=6765, q=12, x=20] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=17711, i=75025, j=121393, next=17711, p=12, prev=10946, q=12, x=21] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=17711, i=75025, j=121393, next=17711, p=12, prev=10946, q=12, x=21] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=28657, i=75025, j=121393, next=28657, p=12, prev=17711, q=12, x=22] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=28657, i=75025, j=121393, next=28657, p=12, prev=17711, q=12, x=22] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=46368, i=75025, j=121393, next=46368, p=12, prev=28657, q=12, x=23] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=46368, i=75025, j=121393, next=46368, p=12, prev=28657, q=12, x=23] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=75025, i=75025, j=121393, next=75025, p=12, prev=46368, q=12, x=24] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=75025, i=75025, j=121393, next=75025, p=12, prev=46368, q=12, x=24] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=121393, i=75025, j=121393, next=121393, p=12, prev=75025, q=12, x=25] [L705] COND FALSE 0 !(x < 26) VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=121393, i=75025, j=121393, next=121393, p=12, prev=75025, q=12, x=25] [L705] COND TRUE 0 x < 26 [L706] 0 next = prev + cur [L707] 0 prev = cur [L708] 0 cur = next [L705] 0 x++ VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=196418, i=75025, j=121393, next=196418, p=12, prev=121393, q=12, x=26] [L705] COND TRUE 0 x < 26 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=196418, i=75025, j=121393, next=196418, p=12, prev=121393, q=12, x=26] [L710] 0 return prev; [L722] RET, EXPR 0 fib() [L722] 0 int correct = fib(); [L724] 0 _Bool assert_cond = i < correct && j < correct; VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(argc)=196419, \old(argv)={196420:196421}, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, argc=196419, assert_cond=0, correct=121393, cur=196418, i=75025, id1=-2, id2=-1, j=121393, next=196418, p=12, prev=121393, q=12, x=26] [L726] CALL 0 __VERIFIER_assert(assert_cond) [L681] COND TRUE 0 !expression VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=196418, expression=0, i=75025, j=121393, next=196418, p=12, prev=121393, q=12, x=26] [L681] 0 reach_error() VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, cur=196418, expression=0, i=75025, j=121393, next=196418, p=12, prev=121393, q=12, x=26] - UnprovableResult [Line: 720]: 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: 721]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 48 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 14.5s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 3.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 154, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1966 NumberOfCodeBlocks, 1966 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 2631 ConstructedInterpolants, 0 QuantifiedInterpolants, 6637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2774 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 33 InterpolantComputations, 3 PerfectInterpolantSequences, 2570/11046 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 proved your program to be incorrect! [2024-11-08 12:06:53,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a60d2bc3-10b7-4d4b-a50c-12b6438142e3/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE