./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 19:59:26,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 19:59:26,700 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 19:59:26,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 19:59:26,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 19:59:26,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 19:59:26,744 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 19:59:26,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 19:59:26,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 19:59:26,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 19:59:26,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 19:59:26,747 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 19:59:26,747 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 19:59:26,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 19:59:26,748 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 19:59:26,748 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 19:59:26,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 19:59:26,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 19:59:26,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 19:59:26,748 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 19:59:26,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 19:59:26,749 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 19:59:26,749 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 19:59:26,749 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 19:59:26,749 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 19:59:26,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 19:59:26,750 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 19:59:26,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 19:59:26,750 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 19:59:26,750 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:59:26,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:59:26,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:59:26,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 19:59:26,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 19:59:26,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 19:59:26,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:59:26,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 19:59:26,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 19:59:26,752 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 19:59:26,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 19:59:26,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 19:59:26,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 19:59:26,753 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 19:59:26,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 19:59:26,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 19:59:26,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 19:59:26,753 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB 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 ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2024-11-27 19:59:27,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 19:59:27,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 19:59:27,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 19:59:27,129 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 19:59:27,129 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 19:59:27,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-27 19:59:30,411 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/data/6ac74b5a9/950084249c7148399d66374f0b9eb6b6/FLAG2c4d672cc [2024-11-27 19:59:30,734 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 19:59:30,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-27 19:59:30,750 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/data/6ac74b5a9/950084249c7148399d66374f0b9eb6b6/FLAG2c4d672cc [2024-11-27 19:59:30,765 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/data/6ac74b5a9/950084249c7148399d66374f0b9eb6b6 [2024-11-27 19:59:30,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 19:59:30,769 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 19:59:30,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 19:59:30,771 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 19:59:30,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 19:59:30,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:59:30" (1/1) ... [2024-11-27 19:59:30,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a278b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:30, skipping insertion in model container [2024-11-27 19:59:30,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 07:59:30" (1/1) ... [2024-11-27 19:59:30,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 19:59:31,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:59:31,182 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 19:59:31,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 19:59:31,296 INFO L204 MainTranslator]: Completed translation [2024-11-27 19:59:31,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31 WrapperNode [2024-11-27 19:59:31,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 19:59:31,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 19:59:31,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 19:59:31,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 19:59:31,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,356 INFO L138 Inliner]: procedures = 162, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-27 19:59:31,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 19:59:31,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 19:59:31,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 19:59:31,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 19:59:31,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,367 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,370 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,382 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,392 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 19:59:31,401 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 19:59:31,401 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 19:59:31,401 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 19:59:31,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (1/1) ... [2024-11-27 19:59:31,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 19:59:31,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 19:59:31,448 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 19:59:31,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 19:59:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-27 19:59:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 19:59:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-27 19:59:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-27 19:59:31,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 19:59:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-27 19:59:31,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 19:59:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 19:59:31,485 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 19:59:31,653 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 19:59:31,656 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 19:59:31,963 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 19:59:31,963 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 19:59:32,028 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 19:59:32,029 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 19:59:32,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:59:32 BoogieIcfgContainer [2024-11-27 19:59:32,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 19:59:32,032 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 19:59:32,032 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 19:59:32,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 19:59:32,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 07:59:30" (1/3) ... [2024-11-27 19:59:32,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25270f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:59:32, skipping insertion in model container [2024-11-27 19:59:32,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 07:59:31" (2/3) ... [2024-11-27 19:59:32,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25270f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 07:59:32, skipping insertion in model container [2024-11-27 19:59:32,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:59:32" (3/3) ... [2024-11-27 19:59:32,044 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2024-11-27 19:59:32,063 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 19:59:32,066 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_31-traces-mine-vs-mutex_true.i that has 2 procedures, 100 locations, 1 initial locations, 0 loop locations, and 5 error locations. [2024-11-27 19:59:32,067 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 19:59:32,162 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-27 19:59:32,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 103 places, 101 transitions, 209 flow [2024-11-27 19:59:32,286 INFO L124 PetriNetUnfolderBase]: 2/100 cut-off events. [2024-11-27 19:59:32,289 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:59:32,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 100 events. 2/100 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 82 event pairs, 0 based on Foata normal form. 0/93 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2024-11-27 19:59:32,295 INFO L82 GeneralOperation]: Start removeDead. Operand has 103 places, 101 transitions, 209 flow [2024-11-27 19:59:32,300 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 97 places, 95 transitions, 193 flow [2024-11-27 19:59:32,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 19:59:32,320 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75b8e647, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 19:59:32,321 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-27 19:59:32,352 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 19:59:32,352 INFO L124 PetriNetUnfolderBase]: 0/40 cut-off events. [2024-11-27 19:59:32,352 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 19:59:32,352 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:59:32,353 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:32,354 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-27 19:59:32,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:32,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1844616693, now seen corresponding path program 1 times [2024-11-27 19:59:32,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:59:32,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446127394] [2024-11-27 19:59:32,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:32,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:59:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:59:32,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:59:32,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446127394] [2024-11-27 19:59:32,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446127394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:59:32,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:59:32,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:59:32,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111203181] [2024-11-27 19:59:32,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:32,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:59:32,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:59:32,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:59:32,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:59:32,717 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 101 [2024-11-27 19:59:32,720 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 97 places, 95 transitions, 193 flow. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2024-11-27 19:59:32,720 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:59:32,720 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 101 [2024-11-27 19:59:32,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:59:33,003 INFO L124 PetriNetUnfolderBase]: 115/600 cut-off events. [2024-11-27 19:59:33,004 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-27 19:59:33,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 869 conditions, 600 events. 115/600 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3347 event pairs, 46 based on Foata normal form. 34/590 useless extension candidates. Maximal degree in co-relation 835. Up to 140 conditions per place. [2024-11-27 19:59:33,012 INFO L140 encePairwiseOnDemand]: 90/101 looper letters, 30 selfloop transitions, 6 changer transitions 2/105 dead transitions. [2024-11-27 19:59:33,013 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 105 transitions, 289 flow [2024-11-27 19:59:33,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:59:33,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:59:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2024-11-27 19:59:33,035 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8712871287128713 [2024-11-27 19:59:33,037 INFO L175 Difference]: Start difference. First operand has 97 places, 95 transitions, 193 flow. Second operand 3 states and 264 transitions. [2024-11-27 19:59:33,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 105 transitions, 289 flow [2024-11-27 19:59:33,047 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 105 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 19:59:33,054 INFO L231 Difference]: Finished difference. Result has 96 places, 93 transitions, 222 flow [2024-11-27 19:59:33,058 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=222, PETRI_PLACES=96, PETRI_TRANSITIONS=93} [2024-11-27 19:59:33,064 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2024-11-27 19:59:33,064 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 93 transitions, 222 flow [2024-11-27 19:59:33,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 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) [2024-11-27 19:59:33,065 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:59:33,065 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:33,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 19:59:33,066 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-27 19:59:33,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:33,067 INFO L85 PathProgramCache]: Analyzing trace with hash 212496385, now seen corresponding path program 1 times [2024-11-27 19:59:33,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:59:33,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401031001] [2024-11-27 19:59:33,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:33,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:59:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:59:33,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:59:33,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401031001] [2024-11-27 19:59:33,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401031001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:59:33,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:59:33,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:59:33,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564483069] [2024-11-27 19:59:33,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:33,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:59:33,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:59:33,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:59:33,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:59:33,235 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2024-11-27 19:59:33,236 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 93 transitions, 222 flow. Second operand has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-11-27 19:59:33,236 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:59:33,236 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2024-11-27 19:59:33,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:59:33,439 INFO L124 PetriNetUnfolderBase]: 120/614 cut-off events. [2024-11-27 19:59:33,439 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-11-27 19:59:33,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 614 events. 120/614 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3503 event pairs, 84 based on Foata normal form. 0/570 useless extension candidates. Maximal degree in co-relation 975. Up to 233 conditions per place. [2024-11-27 19:59:33,443 INFO L140 encePairwiseOnDemand]: 96/101 looper letters, 30 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2024-11-27 19:59:33,443 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 102 transitions, 312 flow [2024-11-27 19:59:33,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:59:33,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:59:33,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 257 transitions. [2024-11-27 19:59:33,446 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8481848184818482 [2024-11-27 19:59:33,446 INFO L175 Difference]: Start difference. First operand has 96 places, 93 transitions, 222 flow. Second operand 3 states and 257 transitions. [2024-11-27 19:59:33,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 102 transitions, 312 flow [2024-11-27 19:59:33,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 102 transitions, 298 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 19:59:33,450 INFO L231 Difference]: Finished difference. Result has 98 places, 96 transitions, 242 flow [2024-11-27 19:59:33,450 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=94, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=98, PETRI_TRANSITIONS=96} [2024-11-27 19:59:33,451 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, 1 predicate places. [2024-11-27 19:59:33,451 INFO L471 AbstractCegarLoop]: Abstraction has has 98 places, 96 transitions, 242 flow [2024-11-27 19:59:33,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.33333333333333) internal successors, (232), 3 states have internal predecessors, (232), 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) [2024-11-27 19:59:33,451 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:59:33,451 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:33,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 19:59:33,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-27 19:59:33,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:33,453 INFO L85 PathProgramCache]: Analyzing trace with hash -260813800, now seen corresponding path program 1 times [2024-11-27 19:59:33,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:59:33,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028134826] [2024-11-27 19:59:33,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:59:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:33,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:59:34,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:59:34,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028134826] [2024-11-27 19:59:34,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028134826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:59:34,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:59:34,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 19:59:34,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694151684] [2024-11-27 19:59:34,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:34,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 19:59:34,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:59:34,006 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 19:59:34,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 19:59:34,111 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 101 [2024-11-27 19:59:34,112 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 96 transitions, 242 flow. Second operand has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 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) [2024-11-27 19:59:34,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:59:34,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 101 [2024-11-27 19:59:34,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:59:34,225 INFO L124 PetriNetUnfolderBase]: 12/177 cut-off events. [2024-11-27 19:59:34,225 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-27 19:59:34,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 177 events. 12/177 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 331 event pairs, 8 based on Foata normal form. 8/177 useless extension candidates. Maximal degree in co-relation 219. Up to 36 conditions per place. [2024-11-27 19:59:34,228 INFO L140 encePairwiseOnDemand]: 95/101 looper letters, 10 selfloop transitions, 5 changer transitions 12/90 dead transitions. [2024-11-27 19:59:34,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 90 transitions, 242 flow [2024-11-27 19:59:34,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 19:59:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 19:59:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 429 transitions. [2024-11-27 19:59:34,234 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8495049504950495 [2024-11-27 19:59:34,234 INFO L175 Difference]: Start difference. First operand has 98 places, 96 transitions, 242 flow. Second operand 5 states and 429 transitions. [2024-11-27 19:59:34,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 90 transitions, 242 flow [2024-11-27 19:59:34,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 90 transitions, 228 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-27 19:59:34,237 INFO L231 Difference]: Finished difference. Result has 96 places, 76 transitions, 176 flow [2024-11-27 19:59:34,238 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=190, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=176, PETRI_PLACES=96, PETRI_TRANSITIONS=76} [2024-11-27 19:59:34,241 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -1 predicate places. [2024-11-27 19:59:34,241 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 76 transitions, 176 flow [2024-11-27 19:59:34,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 83.8) internal successors, (419), 5 states have internal predecessors, (419), 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) [2024-11-27 19:59:34,241 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 19:59:34,242 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 19:59:34,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 19:59:34,242 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-27 19:59:34,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 19:59:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash -582478667, now seen corresponding path program 1 times [2024-11-27 19:59:34,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 19:59:34,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327127834] [2024-11-27 19:59:34,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 19:59:34,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 19:59:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 19:59:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 19:59:34,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 19:59:34,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327127834] [2024-11-27 19:59:34,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327127834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 19:59:34,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 19:59:34,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 19:59:34,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740835358] [2024-11-27 19:59:34,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 19:59:34,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 19:59:34,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 19:59:34,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 19:59:34,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 19:59:34,338 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 101 [2024-11-27 19:59:34,338 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 76 transitions, 176 flow. Second operand has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2024-11-27 19:59:34,338 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 19:59:34,338 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 101 [2024-11-27 19:59:34,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 19:59:34,398 INFO L124 PetriNetUnfolderBase]: 18/161 cut-off events. [2024-11-27 19:59:34,398 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-27 19:59:34,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 161 events. 18/161 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 360 event pairs, 16 based on Foata normal form. 4/164 useless extension candidates. Maximal degree in co-relation 217. Up to 57 conditions per place. [2024-11-27 19:59:34,399 INFO L140 encePairwiseOnDemand]: 99/101 looper letters, 0 selfloop transitions, 0 changer transitions 77/77 dead transitions. [2024-11-27 19:59:34,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 77 transitions, 218 flow [2024-11-27 19:59:34,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 19:59:34,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 19:59:34,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 245 transitions. [2024-11-27 19:59:34,402 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8085808580858086 [2024-11-27 19:59:34,402 INFO L175 Difference]: Start difference. First operand has 96 places, 76 transitions, 176 flow. Second operand 3 states and 245 transitions. [2024-11-27 19:59:34,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 77 transitions, 218 flow [2024-11-27 19:59:34,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 77 transitions, 212 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 19:59:34,406 INFO L231 Difference]: Finished difference. Result has 82 places, 0 transitions, 0 flow [2024-11-27 19:59:34,406 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=101, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=82, PETRI_TRANSITIONS=0} [2024-11-27 19:59:34,407 INFO L279 CegarLoopForPetriNet]: 97 programPoint places, -15 predicate places. [2024-11-27 19:59:34,407 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 0 transitions, 0 flow [2024-11-27 19:59:34,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.66666666666667) internal successors, (236), 3 states have internal predecessors, (236), 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) [2024-11-27 19:59:34,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-27 19:59:34,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2024-11-27 19:59:34,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-27 19:59:34,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-27 19:59:34,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-27 19:59:34,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-27 19:59:34,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-27 19:59:34,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-27 19:59:34,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-27 19:59:34,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-27 19:59:34,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 19:59:34,415 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-27 19:59:34,422 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 19:59:34,422 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 19:59:34,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 07:59:34 BasicIcfg [2024-11-27 19:59:34,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 19:59:34,430 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 19:59:34,430 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 19:59:34,430 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 19:59:34,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 07:59:32" (3/4) ... [2024-11-27 19:59:34,435 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 19:59:34,439 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-27 19:59:34,442 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 19:59:34,442 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 19:59:34,442 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 19:59:34,442 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 19:59:34,532 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 19:59:34,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 19:59:34,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 19:59:34,535 INFO L158 Benchmark]: Toolchain (without parser) took 3764.80ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 91.1MB in the beginning and 129.1MB in the end (delta: -37.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-27 19:59:34,536 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:59:34,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 528.60ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.1MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-27 19:59:34,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.41ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:59:34,537 INFO L158 Benchmark]: Boogie Preprocessor took 36.06ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 68.6MB in the end (delta: 859.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:59:34,537 INFO L158 Benchmark]: RCFGBuilder took 628.46ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 52.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 19:59:34,537 INFO L158 Benchmark]: TraceAbstraction took 2397.38ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 51.7MB in the beginning and 132.9MB in the end (delta: -81.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 19:59:34,538 INFO L158 Benchmark]: Witness Printer took 103.21ms. Allocated memory is still 176.2MB. Free memory was 132.9MB in the beginning and 129.1MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 19:59:34,543 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 528.60ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 71.1MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.41ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 69.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.06ms. Allocated memory is still 117.4MB. Free memory was 69.4MB in the beginning and 68.6MB in the end (delta: 859.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 628.46ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 52.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2397.38ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 51.7MB in the beginning and 132.9MB in the end (delta: -81.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 103.21ms. Allocated memory is still 176.2MB. Free memory was 132.9MB in the beginning and 129.1MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 139 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 20 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 179 NumberOfCodeBlocks, 179 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 19:59:34,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838b02c5-687c-4855-91cf-9a69d0e47686/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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