./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i --witnessprinter.witness.filename witness.graphml --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 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 14:08:28,737 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 14:08:28,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-06 14:08:28,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 14:08:28,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 14:08:28,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 14:08:28,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 14:08:28,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 14:08:28,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 14:08:28,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 14:08:28,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 14:08:28,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 14:08:28,925 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 14:08:28,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 14:08:28,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 14:08:28,928 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 14:08:28,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 14:08:28,929 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 14:08:28,930 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 14:08:28,930 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 14:08:28,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 14:08:28,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 14:08:28,932 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 14:08:28,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 14:08:28,933 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 14:08:28,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 14:08:28,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 14:08:28,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 14:08:28,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:28,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 14:08:28,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 14:08:28,938 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 14:08:28,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 14:08:28,939 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-06 14:08:28,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 14:08:28,940 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-06 14:08:28,940 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-06 14:08:28,940 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 14:08:28,941 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-06 14:08:28,941 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-06 14:08:28,941 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_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90 [2023-11-06 14:08:29,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 14:08:29,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 14:08:29,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 14:08:29,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 14:08:29,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 14:08:29,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-06 14:08:32,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 14:08:32,891 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 14:08:32,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i [2023-11-06 14:08:32,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/data/2b6adcead/b9ac002b1ae64b068bfb4122304bc789/FLAG3cfbe9588 [2023-11-06 14:08:32,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/data/2b6adcead/b9ac002b1ae64b068bfb4122304bc789 [2023-11-06 14:08:32,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 14:08:32,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 14:08:32,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:32,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 14:08:32,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 14:08:32,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:32" (1/1) ... [2023-11-06 14:08:32,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@662ef811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:32, skipping insertion in model container [2023-11-06 14:08:32,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:08:32" (1/1) ... [2023-11-06 14:08:33,030 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:08:33,244 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:08:33,591 WARN L240 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_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2023-11-06 14:08:33,620 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:33,631 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 14:08:33,649 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:08:33,672 WARN L240 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_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/sv-benchmarks/c/pthread/singleton_with-uninit-problems.i[55568,55581] [2023-11-06 14:08:33,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:08:33,754 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:33,754 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:33,754 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:08:33,762 INFO L206 MainTranslator]: Completed translation [2023-11-06 14:08:33,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33 WrapperNode [2023-11-06 14:08:33,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 14:08:33,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:33,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 14:08:33,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 14:08:33,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,825 INFO L138 Inliner]: procedures = 325, calls = 53, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2023-11-06 14:08:33,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 14:08:33,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 14:08:33,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 14:08:33,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 14:08:33,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 14:08:33,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 14:08:33,865 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 14:08:33,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 14:08:33,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (1/1) ... [2023-11-06 14:08:33,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:08:33,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:33,902 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 14:08:33,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 14:08:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 14:08:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 14:08:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 14:08:33,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 14:08:33,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 14:08:33,953 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-06 14:08:33,953 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-06 14:08:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 14:08:33,954 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 14:08:33,954 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 14:08:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 14:08:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-06 14:08:33,955 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-06 14:08:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 14:08:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 14:08:33,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 14:08:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 14:08:33,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 14:08:33,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 14:08:33,959 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 14:08:34,151 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 14:08:34,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 14:08:34,485 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 14:08:34,495 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 14:08:34,496 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 14:08:34,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:34 BoogieIcfgContainer [2023-11-06 14:08:34,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 14:08:34,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 14:08:34,502 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 14:08:34,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 14:08:34,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:08:32" (1/3) ... [2023-11-06 14:08:34,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328be799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:34, skipping insertion in model container [2023-11-06 14:08:34,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:08:33" (2/3) ... [2023-11-06 14:08:34,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328be799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:08:34, skipping insertion in model container [2023-11-06 14:08:34,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:34" (3/3) ... [2023-11-06 14:08:34,510 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2023-11-06 14:08:34,522 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 14:08:34,534 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 14:08:34,535 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 14:08:34,535 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 14:08:34,713 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2023-11-06 14:08:34,772 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:08:34,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-06 14:08:34,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:34,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-06 14:08:34,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-06 14:08:34,861 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-06 14:08:34,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-06 14:08:34,885 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3e1a76fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:08:34,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-06 14:08:35,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-06 14:08:35,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1671667136, now seen corresponding path program 1 times [2023-11-06 14:08:35,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:08:35,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496159681] [2023-11-06 14:08:35,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:35,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:08:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:08:36,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:08:36,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496159681] [2023-11-06 14:08:36,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496159681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:08:36,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:08:36,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 14:08:36,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982764425] [2023-11-06 14:08:36,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:08:36,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 14:08:36,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:08:36,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 14:08:36,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 14:08:36,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:36,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:36,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 14:08:36,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:36,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 14:08:36,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-06 14:08:36,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:36,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1274927728, now seen corresponding path program 1 times [2023-11-06 14:08:36,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:08:36,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522461523] [2023-11-06 14:08:36,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:36,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:08:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:37,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:08:37,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:08:37,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522461523] [2023-11-06 14:08:37,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522461523] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:08:37,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:08:37,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 14:08:37,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78152276] [2023-11-06 14:08:37,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:08:37,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 14:08:37,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:08:37,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 14:08:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 14:08:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:37,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:37,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 7 states have internal predecessors, (114), 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) [2023-11-06 14:08:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:37,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 14:08:37,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 14:08:37,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-11-06 14:08:37,850 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:08:37,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1831812210, now seen corresponding path program 2 times [2023-11-06 14:08:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:08:37,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949137236] [2023-11-06 14:08:37,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:08:37,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:08:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:08:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:08:38,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:08:38,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949137236] [2023-11-06 14:08:38,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949137236] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:08:38,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:08:38,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 14:08:38,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637759372] [2023-11-06 14:08:38,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:08:38,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 14:08:38,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:08:38,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 14:08:38,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 14:08:38,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:38,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:08:38,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.8) internal successors, (114), 5 states have internal predecessors, (114), 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) [2023-11-06 14:08:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-06 14:08:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:08:46,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 14:08:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 14:08:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:08:46,246 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-06 14:08:46,247 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-11-06 14:08:46,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 14:08:46,260 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2023-11-06 14:08:46,261 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/2) [2023-11-06 14:08:46,279 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:08:46,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-06 14:08:46,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:08:46,311 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-06 14:08:46,324 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-06 14:08:46,325 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread0Thread1of1ForFork4 ======== [2023-11-06 14:08:46,326 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3e1a76fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:08:46,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-06 14:08:46,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-06 14:08:47,325 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2023-11-06 14:08:47,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-11-06 14:08:47,326 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-06 14:08:47,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-11-06 14:08:47,327 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-11-06 14:08:47,339 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-11-06 14:08:47,341 INFO L307 ceAbstractionStarter]: Result for error location thread0Thread1of1ForFork4 was SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2023-11-06 14:08:47,341 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 14:08:47,341 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 14:08:47,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 02:08:47 BasicIcfg [2023-11-06 14:08:47,349 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 14:08:47,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 14:08:47,350 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 14:08:47,350 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 14:08:47,350 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:08:34" (3/4) ... [2023-11-06 14:08:47,352 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 14:08:47,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-11-06 14:08:47,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 14:08:47,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 14:08:47,358 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-06 14:08:47,364 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-06 14:08:47,365 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 14:08:47,365 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 14:08:47,365 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 14:08:47,414 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/witness.graphml.graphml [2023-11-06 14:08:47,414 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/witness.graphml.yaml [2023-11-06 14:08:47,414 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 14:08:47,415 INFO L158 Benchmark]: Toolchain (without parser) took 14461.87ms. Allocated memory was 144.7MB in the beginning and 490.7MB in the end (delta: 346.0MB). Free memory was 95.8MB in the beginning and 316.7MB in the end (delta: -220.9MB). Peak memory consumption was 127.2MB. Max. memory is 16.1GB. [2023-11-06 14:08:47,415 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 14:08:47,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 808.92ms. Allocated memory is still 144.7MB. Free memory was 95.3MB in the beginning and 62.3MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-06 14:08:47,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.61ms. Allocated memory is still 144.7MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 14:08:47,416 INFO L158 Benchmark]: Boogie Preprocessor took 36.96ms. Allocated memory is still 144.7MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 14:08:47,417 INFO L158 Benchmark]: RCFGBuilder took 634.85ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 58.1MB in the beginning and 176.3MB in the end (delta: -118.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-06 14:08:47,417 INFO L158 Benchmark]: TraceAbstraction took 12846.97ms. Allocated memory was 211.8MB in the beginning and 490.7MB in the end (delta: 278.9MB). Free memory was 175.2MB in the beginning and 319.9MB in the end (delta: -144.6MB). Peak memory consumption was 327.2MB. Max. memory is 16.1GB. [2023-11-06 14:08:47,418 INFO L158 Benchmark]: Witness Printer took 64.94ms. Allocated memory is still 490.7MB. Free memory was 319.9MB in the beginning and 316.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 14:08:47,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 144.7MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 808.92ms. Allocated memory is still 144.7MB. Free memory was 95.3MB in the beginning and 62.3MB in the end (delta: 33.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.61ms. Allocated memory is still 144.7MB. Free memory was 62.3MB in the beginning and 59.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.96ms. Allocated memory is still 144.7MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 634.85ms. Allocated memory was 144.7MB in the beginning and 211.8MB in the end (delta: 67.1MB). Free memory was 58.1MB in the beginning and 176.3MB in the end (delta: -118.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 12846.97ms. Allocated memory was 211.8MB in the beginning and 490.7MB in the end (delta: 278.9MB). Free memory was 175.2MB in the beginning and 319.9MB in the end (delta: -144.6MB). Peak memory consumption was 327.2MB. Max. memory is 16.1GB. * Witness Printer took 64.94ms. Allocated memory is still 490.7MB. Free memory was 319.9MB in the beginning and 316.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 210641, independent: 201454, independent conditional: 194629, independent unconditional: 6825, dependent: 9187, dependent conditional: 9067, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210007, independent: 201454, independent conditional: 194629, independent unconditional: 6825, dependent: 8553, dependent conditional: 8433, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 210007, independent: 201454, independent conditional: 194629, independent unconditional: 6825, dependent: 8553, dependent conditional: 8433, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221035, independent: 201454, independent conditional: 2595, independent unconditional: 198859, dependent: 19581, dependent conditional: 8433, dependent unconditional: 11148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 221035, independent: 201454, independent conditional: 2595, independent unconditional: 198859, dependent: 19581, dependent conditional: 4616, dependent unconditional: 14965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 221035, independent: 201454, independent conditional: 2595, independent unconditional: 198859, dependent: 19581, dependent conditional: 4616, dependent unconditional: 14965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6992, independent: 6839, independent conditional: 14, independent unconditional: 6825, dependent: 153, dependent conditional: 33, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6992, independent: 6809, independent conditional: 0, independent unconditional: 6809, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 183, independent: 30, independent conditional: 14, independent unconditional: 16, dependent: 153, dependent conditional: 33, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, independent: 30, independent conditional: 14, independent unconditional: 16, dependent: 153, dependent conditional: 33, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 674, independent: 218, independent conditional: 29, independent unconditional: 189, dependent: 456, dependent conditional: 81, dependent unconditional: 374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 221035, independent: 194615, independent conditional: 2581, independent unconditional: 192034, dependent: 19428, dependent conditional: 4583, dependent unconditional: 14845, unknown: 6992, unknown conditional: 47, unknown unconditional: 6945] , Statistics on independence cache: Total cache size (in pairs): 6992, Positive cache size: 6839, Positive conditional cache size: 14, Positive unconditional cache size: 6825, Negative cache size: 153, Negative conditional cache size: 33, Negative unconditional cache size: 120, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3817, Maximal queried relation: 1, Independence queries for same thread: 634 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.4s, Number of persistent set computation: 15773, Number of trivial persistent sets: 15747, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6945, independent: 6825, independent conditional: 0, independent unconditional: 6825, dependent: 120, dependent conditional: 0, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 210641, independent: 201454, independent conditional: 194629, independent unconditional: 6825, dependent: 9187, dependent conditional: 9067, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210007, independent: 201454, independent conditional: 194629, independent unconditional: 6825, dependent: 8553, dependent conditional: 8433, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 210007, independent: 201454, independent conditional: 194629, independent unconditional: 6825, dependent: 8553, dependent conditional: 8433, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 221035, independent: 201454, independent conditional: 2595, independent unconditional: 198859, dependent: 19581, dependent conditional: 8433, dependent unconditional: 11148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 221035, independent: 201454, independent conditional: 2595, independent unconditional: 198859, dependent: 19581, dependent conditional: 4616, dependent unconditional: 14965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 221035, independent: 201454, independent conditional: 2595, independent unconditional: 198859, dependent: 19581, dependent conditional: 4616, dependent unconditional: 14965, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6992, independent: 6839, independent conditional: 14, independent unconditional: 6825, dependent: 153, dependent conditional: 33, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6992, independent: 6809, independent conditional: 0, independent unconditional: 6809, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 183, independent: 30, independent conditional: 14, independent unconditional: 16, dependent: 153, dependent conditional: 33, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 183, independent: 30, independent conditional: 14, independent unconditional: 16, dependent: 153, dependent conditional: 33, dependent unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 674, independent: 218, independent conditional: 29, independent unconditional: 189, dependent: 456, dependent conditional: 81, dependent unconditional: 374, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 221035, independent: 194615, independent conditional: 2581, independent unconditional: 192034, dependent: 19428, dependent conditional: 4583, dependent unconditional: 14845, unknown: 6992, unknown conditional: 47, unknown unconditional: 6945] , Statistics on independence cache: Total cache size (in pairs): 6992, Positive cache size: 6839, Positive conditional cache size: 14, Positive unconditional cache size: 6825, Negative cache size: 153, Negative conditional cache size: 33, Negative unconditional cache size: 120, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3817, Maximal queried relation: 1, Independence queries for same thread: 634 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11377, independent: 10706, independent conditional: 5700, independent unconditional: 5006, dependent: 671, dependent conditional: 593, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 5700, independent unconditional: 5006, dependent: 669, dependent conditional: 591, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 5700, independent unconditional: 5006, dependent: 669, dependent conditional: 591, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 0, independent unconditional: 10706, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 0, independent unconditional: 10706, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 0, independent unconditional: 10706, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5084, independent: 5006, independent conditional: 0, independent unconditional: 5006, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5084, independent: 4992, independent conditional: 0, independent unconditional: 4992, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 92, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 92, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 306, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 193, dependent conditional: 0, dependent unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11375, independent: 5700, independent conditional: 0, independent unconditional: 5700, dependent: 591, dependent conditional: 0, dependent unconditional: 591, unknown: 5084, unknown conditional: 0, unknown unconditional: 5084] , Statistics on independence cache: Total cache size (in pairs): 5084, Positive cache size: 5006, Positive conditional cache size: 0, Positive unconditional cache size: 5006, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 1092, Number of trivial persistent sets: 626, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5084, independent: 5006, independent conditional: 0, independent unconditional: 5006, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11377, independent: 10706, independent conditional: 5700, independent unconditional: 5006, dependent: 671, dependent conditional: 593, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 5700, independent unconditional: 5006, dependent: 669, dependent conditional: 591, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 5700, independent unconditional: 5006, dependent: 669, dependent conditional: 591, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 0, independent unconditional: 10706, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 0, independent unconditional: 10706, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11375, independent: 10706, independent conditional: 0, independent unconditional: 10706, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5084, independent: 5006, independent conditional: 0, independent unconditional: 5006, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5084, independent: 4992, independent conditional: 0, independent unconditional: 4992, dependent: 92, dependent conditional: 0, dependent unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 92, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 92, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 78, dependent conditional: 0, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 306, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 193, dependent conditional: 0, dependent unconditional: 193, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11375, independent: 5700, independent conditional: 0, independent unconditional: 5700, dependent: 591, dependent conditional: 0, dependent unconditional: 591, unknown: 5084, unknown conditional: 0, unknown unconditional: 5084] , Statistics on independence cache: Total cache size (in pairs): 5084, Positive cache size: 5006, Positive conditional cache size: 0, Positive unconditional cache size: 5006, Negative cache size: 78, Negative conditional cache size: 0, Negative unconditional cache size: 78, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - PositiveResult [Line: 1123]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 11 procedures, 226 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 9.5s, 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: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 340 NumberOfCodeBlocks, 340 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 337 ConstructedInterpolants, 0 QuantifiedInterpolants, 725 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread0Thread1of1ForFork4 with 1 thread instances CFG has 11 procedures, 226 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 1.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 14:08:47,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 14:08:47,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 14:08:47,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83e7167f-4ee4-4ccb-8900-a09efdbf4cfa/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE