./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-lit/sssc12-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/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_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-lit/sssc12-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3f447624cefe078f3d1dfeed3af04dfcf2078828fba23b82e0579b17d6eb7f02 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:21:38,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:21:38,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-08 12:21:38,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:21:38,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:21:38,826 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:21:38,827 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:21:38,827 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:21:38,830 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:21:38,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:21:38,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:21:38,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:21:38,835 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:21:38,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:21:38,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:21:38,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:21:38,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:21:38,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:21:38,840 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 12:21:38,843 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 12:21:38,844 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 12:21:38,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:21:38,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 12:21:38,845 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:21:38,845 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:21:38,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:21:38,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:21:38,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:21:38,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:21:38,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 12:21:38,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:21:38,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:21:38,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:21:38,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:21:38,848 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:21:38,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:21:38,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:21:38,849 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-08 12:21:38,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:21:38,850 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:21:38,850 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:21:38,852 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_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f447624cefe078f3d1dfeed3af04dfcf2078828fba23b82e0579b17d6eb7f02 [2024-11-08 12:21:39,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:21:39,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:21:39,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:21:39,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:21:39,168 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:21:39,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread-lit/sssc12-2.i Unable to find full path for "g++" [2024-11-08 12:21:41,399 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:21:41,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:21:41,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/sv-benchmarks/c/pthread-lit/sssc12-2.i [2024-11-08 12:21:41,708 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/data/775807e17/221ce949fbfb4e01a2c0458ba6d6616b/FLAG02b28315e [2024-11-08 12:21:41,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/data/775807e17/221ce949fbfb4e01a2c0458ba6d6616b [2024-11-08 12:21:41,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:21:41,743 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:21:41,745 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:21:41,745 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:21:41,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:21:41,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:21:41" (1/1) ... [2024-11-08 12:21:41,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ad581c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:41, skipping insertion in model container [2024-11-08 12:21:41,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:21:41" (1/1) ... [2024-11-08 12:21:41,821 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:21:42,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:21:42,492 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:21:42,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:21:42,705 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:21:42,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42 WrapperNode [2024-11-08 12:21:42,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:21:42,707 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:21:42,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:21:42,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:21:42,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,779 INFO L138 Inliner]: procedures = 274, calls = 20, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 78 [2024-11-08 12:21:42,779 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:21:42,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:21:42,780 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:21:42,780 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:21:42,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,810 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:21:42,815 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:21:42,815 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:21:42,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:21:42,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (1/1) ... [2024-11-08 12:21:42,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:21:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:21:42,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:21:42,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:21:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 12:21:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-11-08 12:21:42,916 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-11-08 12:21:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 12:21:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 12:21:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 12:21:42,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:21:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:21:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:21:42,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:21:42,919 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 12:21:43,158 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:21:43,161 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:21:43,415 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:21:43,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:21:43,613 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:21:43,613 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 12:21:43,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:21:43 BoogieIcfgContainer [2024-11-08 12:21:43,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:21:43,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:21:43,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:21:43,620 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:21:43,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:21:41" (1/3) ... [2024-11-08 12:21:43,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@910dbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:21:43, skipping insertion in model container [2024-11-08 12:21:43,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:21:42" (2/3) ... [2024-11-08 12:21:43,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@910dbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:21:43, skipping insertion in model container [2024-11-08 12:21:43,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:21:43" (3/3) ... [2024-11-08 12:21:43,627 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12-2.i [2024-11-08 12:21:43,648 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:21:43,648 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 12:21:43,649 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:21:43,720 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:21:43,781 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:21:43,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:21:43,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:21:43,784 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:21:43,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:21:43,831 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:21:43,846 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:21:43,856 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=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d1ec654, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:21:43,857 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 12:21:44,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 12:21:44,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:21:44,085 INFO L85 PathProgramCache]: Analyzing trace with hash -381667738, now seen corresponding path program 1 times [2024-11-08 12:21:44,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:21:44,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465023912] [2024-11-08 12:21:44,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:21:44,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:21:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:21:44,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:21:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:21:44,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:21:44,305 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:21:44,306 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-11-08 12:21:44,308 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2024-11-08 12:21:44,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:21:44,318 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 12:21:44,321 INFO L317 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN (1/2) [2024-11-08 12:21:44,323 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-08 12:21:44,323 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-08 12:21:44,370 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:21:44,377 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:21:44,384 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:21:44,385 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thrThread2of2ForFork0 ======== [2024-11-08 12:21:44,386 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=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2d1ec654, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:21:44,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 12:21:44,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thrErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 12:21:44,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:21:44,847 INFO L85 PathProgramCache]: Analyzing trace with hash -521274128, now seen corresponding path program 1 times [2024-11-08 12:21:44,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:21:44,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293005304] [2024-11-08 12:21:44,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:21:44,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:21:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:21:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 12:21:45,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:21:45,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293005304] [2024-11-08 12:21:45,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293005304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:21:45,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:21:45,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 12:21:45,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840530500] [2024-11-08 12:21:45,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:21:45,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:21:45,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:21:45,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:21:45,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:21:45,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:21:45,279 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:21:45,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 12:21:45,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:21:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 12:21:45,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:21:45,541 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE, thrErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-08 12:21:45,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:21:45,542 INFO L85 PathProgramCache]: Analyzing trace with hash -521274127, now seen corresponding path program 1 times [2024-11-08 12:21:45,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:21:45,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164083472] [2024-11-08 12:21:45,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:21:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:21:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:21:45,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 12:21:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 12:21:45,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 12:21:45,609 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 12:21:45,609 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location thrErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 3 remaining) [2024-11-08 12:21:45,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 3 remaining) [2024-11-08 12:21:45,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 3 remaining) [2024-11-08 12:21:45,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:21:45,616 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 12:21:45,617 INFO L317 ceAbstractionStarter]: Result for error location thrThread2of2ForFork0 was UNSAFE,UNKNOWN,UNKNOWN (1/3) [2024-11-08 12:21:45,661 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2024-11-08 12:21:45,661 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 12:21:45,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-08 12:21:45,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 12:21:45 BasicIcfg [2024-11-08 12:21:45,688 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 12:21:45,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 12:21:45,690 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 12:21:45,690 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 12:21:45,691 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:21:43" (3/4) ... [2024-11-08 12:21:45,693 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 12:21:45,800 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/bin/ugemcutter-verify-v6A4Riy6iL/witness.graphml [2024-11-08 12:21:45,800 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 12:21:45,801 INFO L158 Benchmark]: Toolchain (without parser) took 4059.73ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 86.8MB in the beginning and 111.8MB in the end (delta: -24.9MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-11-08 12:21:45,802 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:21:45,802 INFO L158 Benchmark]: CACSL2BoogieTranslator took 961.61ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 87.8MB in the end (delta: -910.3kB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-11-08 12:21:45,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.13ms. Allocated memory is still 127.9MB. Free memory was 87.8MB in the beginning and 85.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:21:45,803 INFO L158 Benchmark]: Boogie Preprocessor took 33.90ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 12:21:45,804 INFO L158 Benchmark]: RCFGBuilder took 798.88ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 58.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-08 12:21:45,804 INFO L158 Benchmark]: TraceAbstraction took 2072.81ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 57.9MB in the beginning and 115.9MB in the end (delta: -58.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 12:21:45,805 INFO L158 Benchmark]: Witness Printer took 110.99ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 111.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 12:21:45,812 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 52.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 961.61ms. Allocated memory is still 127.9MB. Free memory was 86.8MB in the beginning and 87.8MB in the end (delta: -910.3kB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.13ms. Allocated memory is still 127.9MB. Free memory was 87.8MB in the beginning and 85.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.90ms. Allocated memory is still 127.9MB. Free memory was 85.2MB in the beginning and 83.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.88ms. Allocated memory is still 127.9MB. Free memory was 83.7MB in the beginning and 58.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2072.81ms. Allocated memory was 127.9MB in the beginning and 169.9MB in the end (delta: 41.9MB). Free memory was 57.9MB in the beginning and 115.9MB in the end (delta: -58.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 110.99ms. Allocated memory is still 169.9MB. Free memory was 115.9MB in the beginning and 111.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 100, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 100, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0, Independence queries for same thread: 2, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 6, Number of trivial persistent sets: 4, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 94, independent: 93, independent conditional: 0, independent unconditional: 93, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 100, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 100, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 4, independent unconditional: 93, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 98, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 962, independent: 935, independent conditional: 68, independent unconditional: 867, dependent: 27, dependent conditional: 14, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1909, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 285, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1882, independent: 813, independent conditional: 0, independent unconditional: 813, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 1059, unknown conditional: 0, unknown unconditional: 1059] , Statistics on independence cache: Total cache size (in pairs): 935, Positive cache size: 921, Positive conditional cache size: 0, Positive unconditional cache size: 921, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 68, Maximal queried relation: 0, Independence queries for same thread: 14, Statistics for Abstraction: , Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 36, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 880, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 962, independent: 935, independent conditional: 68, independent unconditional: 867, dependent: 27, dependent conditional: 14, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1909, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 285, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1882, independent: 813, independent conditional: 0, independent unconditional: 813, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 1059, unknown conditional: 0, unknown unconditional: 1059] , Statistics on independence cache: Total cache size (in pairs): 935, Positive cache size: 921, Positive conditional cache size: 0, Positive unconditional cache size: 921, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 68, Maximal queried relation: 0, Independence queries for same thread: 14, Statistics for Abstraction: , Independence relation #2 benchmarks: IndependenceRelationWithAbstraction.Independence Queries: [ total: 947, independent: 921, independent conditional: 63, independent unconditional: 858, dependent: 26, dependent conditional: 13, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1909, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 285, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1882, independent: 813, independent conditional: 0, independent unconditional: 813, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 1059, unknown conditional: 0, unknown unconditional: 1059] , Statistics on independence cache: Total cache size (in pairs): 1148, Positive cache size: 1131, Positive conditional cache size: 0, Positive unconditional cache size: 1131, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 131, Maximal queried relation: 0, Independence queries for same thread: 27, Statistics for Abstraction: , Persistent sets #2 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 34, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 871, independent: 858, independent conditional: 0, independent unconditional: 858, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 947, independent: 921, independent conditional: 63, independent unconditional: 858, dependent: 26, dependent conditional: 13, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1909, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 53, dependent conditional: 27, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 131, independent unconditional: 1725, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1882, independent: 1856, independent conditional: 0, independent unconditional: 1856, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1059, independent: 1043, independent conditional: 0, independent unconditional: 1043, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 285, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 285, dependent conditional: 0, dependent unconditional: 285, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1882, independent: 813, independent conditional: 0, independent unconditional: 813, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 1059, unknown conditional: 0, unknown unconditional: 1059] , Statistics on independence cache: Total cache size (in pairs): 1148, Positive cache size: 1131, Positive conditional cache size: 0, Positive unconditional cache size: 1131, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 131, Maximal queried relation: 0, Independence queries for same thread: 27, Statistics for Abstraction: - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1005] 0 int *data; [L1006] 0 volatile int len; [L1007] 0 volatile int next; [L1008] 0 volatile int lock; [L1039] 0 pthread_t t; [L1040] 0 next = 0 [L1041] 0 lock = 0 [L1042] 0 len = __VERIFIER_nondet_int() [L1043] CALL 0 assume_abort_if_not(len > 0) [L994] COND FALSE 0 !(!cond) [L1043] RET 0 assume_abort_if_not(len > 0) [L1044] 0 data = malloc(sizeof(int) * len) [L1045] COND TRUE 0 1 [L1046] FCALL, FORK 0 pthread_create(&t, 0, thr, 0) VAL [data={-2:0}, len=1073741824, lock=0, next=0, t=-1] [L1045] COND TRUE 0 1 [L1046] FCALL, FORK 0 pthread_create(&t, 0, thr, 0) VAL [data={-2:0}, len=1073741824, lock=0, next=0, t=0] [L1022] 2 int c, end; [L1023] 2 c = 0 [L1024] 2 end = 0 [L1025] CALL 2 acquire() [L1011] CALL 2 assume_abort_if_not(lock == 0) [L994] COND FALSE 2 !(!cond) [L1011] RET 2 assume_abort_if_not(lock == 0) [L1012] 2 lock = 1 VAL [data={-2:0}, len=1073741824, lock=1, next=0] [L1025] RET 2 acquire() [L1026] COND TRUE 2 next + 10 <= len [L1027] 2 c = next [L1028] EXPR 2 end = next + 10 [L1028] 2 next = end = next + 10 [L1030] CALL 2 release() [L1017] CALL 2 assume_abort_if_not(lock == 1) [L994] COND FALSE 2 !(!cond) [L1017] RET 2 assume_abort_if_not(lock == 1) [L1018] 2 lock = 0 VAL [data={-2:0}, len=1073741824, lock=0, next=10] [L1030] RET 2 release() [L1031] COND FALSE 2 !(c < end) VAL [\old(arg)={0:0}, arg={0:0}, c=0, data={-2:0}, end=10, len=1073741824, lock=0, next=10] [L1031] COND TRUE 2 c < end [L1032] CALL 2 __VERIFIER_assert(0 <= c && c < len) [L997] COND FALSE 2 !(!(cond)) VAL [\old(cond)=1, cond=1, data={-2:0}, len=1073741824, lock=0, next=10] [L1032] RET 2 __VERIFIER_assert(0 <= c && c < len) [L1033] 2 data[c] = 0 - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 991]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 44 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: thrThread2of2ForFork0 with 1 thread instances CFG has 4 procedures, 62 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 3, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 2/2 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 12:21:45,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfaa6a3e-fd1c-47f9-8610-eed8bb8f6245/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(valid-deref)