./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c --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_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/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_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/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_81b2506a-86bd-4389-823b-827ad9527b66/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 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:09:14,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:09:14,494 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:09:14,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:09:14,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:09:14,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:09:14,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:09:14,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:09:14,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:09:14,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:09:14,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:09:14,536 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:09:14,536 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:09:14,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:09:14,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:09:14,538 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:09:14,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:09:14,538 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:09:14,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:09:14,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:09:14,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:09:14,539 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:09:14,539 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:09:14,539 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:09:14,540 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:09:14,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:09:14,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:09:14,540 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:09:14,540 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:09:14,540 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:09:14,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:09:14,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:14,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:09:14,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:09:14,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:09:14,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:14,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:09:14,541 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:09:14,541 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:09:14,541 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:09:14,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:09:14,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:09:14,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:09:14,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:09:14,542 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:09:14,542 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:09:14,542 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_81b2506a-86bd-4389-823b-827ad9527b66/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 -> 47814a6c2066a31334f0b50a42e69cfeb567d5dd7f02dc6c703588c90e067366 [2024-11-28 04:09:14,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:09:14,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:09:14,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:09:14,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:09:14,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:09:14,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2024-11-28 04:09:17,824 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/data/dfa170b86/378b2dcb5aea44229ca692e31f0e8d9b/FLAGacd4f63ba [2024-11-28 04:09:18,161 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:09:18,162 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/sv-benchmarks/c/weaver/popl20-min-max-dec.wvr.c [2024-11-28 04:09:18,170 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/data/dfa170b86/378b2dcb5aea44229ca692e31f0e8d9b/FLAGacd4f63ba [2024-11-28 04:09:18,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/data/dfa170b86/378b2dcb5aea44229ca692e31f0e8d9b [2024-11-28 04:09:18,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:09:18,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:09:18,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:18,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:09:18,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:09:18,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a36bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18, skipping insertion in model container [2024-11-28 04:09:18,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:09:18,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:18,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:09:18,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:09:18,450 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:09:18,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18 WrapperNode [2024-11-28 04:09:18,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:09:18,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:18,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:09:18,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:09:18,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,489 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 126 [2024-11-28 04:09:18,490 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:09:18,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:09:18,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:09:18,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:09:18,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,509 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:09:18,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:09:18,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:09:18,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:09:18,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (1/1) ... [2024-11-28 04:09:18,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:09:18,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:09:18,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:09:18,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:09:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:09:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:09:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:09:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:09:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:09:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 04:09:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 04:09:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-28 04:09:18,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-28 04:09:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:09:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:09:18,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:09:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:09:18,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:09:18,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:09:18,603 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:09:18,743 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:09:18,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:09:19,159 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:09:19,159 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:09:19,192 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:09:19,192 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:09:19,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:19 BoogieIcfgContainer [2024-11-28 04:09:19,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:09:19,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:09:19,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:09:19,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:09:19,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:09:18" (1/3) ... [2024-11-28 04:09:19,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578120df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:09:19, skipping insertion in model container [2024-11-28 04:09:19,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:09:18" (2/3) ... [2024-11-28 04:09:19,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@578120df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:09:19, skipping insertion in model container [2024-11-28 04:09:19,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:19" (3/3) ... [2024-11-28 04:09:19,210 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-11-28 04:09:19,230 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:09:19,232 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-min-max-dec.wvr.c that has 5 procedures, 204 locations, 1 initial locations, 4 loop locations, and 7 error locations. [2024-11-28 04:09:19,232 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:09:19,347 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-28 04:09:19,405 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 218 transitions, 464 flow [2024-11-28 04:09:19,562 INFO L124 PetriNetUnfolderBase]: 15/214 cut-off events. [2024-11-28 04:09:19,566 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-28 04:09:19,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 214 events. 15/214 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 345 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 190. Up to 2 conditions per place. [2024-11-28 04:09:19,581 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 218 transitions, 464 flow [2024-11-28 04:09:19,589 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 195 places, 196 transitions, 410 flow [2024-11-28 04:09:19,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:09:19,617 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;@7bb50f02, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:09:19,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-11-28 04:09:19,649 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:09:19,649 INFO L124 PetriNetUnfolderBase]: 5/73 cut-off events. [2024-11-28 04:09:19,649 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:09:19,649 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:19,650 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, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:19,650 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-28 04:09:19,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:19,659 INFO L85 PathProgramCache]: Analyzing trace with hash -347275148, now seen corresponding path program 1 times [2024-11-28 04:09:19,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:19,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829447791] [2024-11-28 04:09:19,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:19,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:19,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:19,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829447791] [2024-11-28 04:09:19,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829447791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:19,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:19,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:09:19,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158881900] [2024-11-28 04:09:19,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:19,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:09:19,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:20,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:09:20,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:09:20,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 218 [2024-11-28 04:09:20,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 196 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-11-28 04:09:20,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:20,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 218 [2024-11-28 04:09:20,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:20,904 INFO L124 PetriNetUnfolderBase]: 685/2680 cut-off events. [2024-11-28 04:09:20,904 INFO L125 PetriNetUnfolderBase]: For 246/246 co-relation queries the response was YES. [2024-11-28 04:09:20,927 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3938 conditions, 2680 events. 685/2680 cut-off events. For 246/246 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 23107 event pairs, 564 based on Foata normal form. 248/2570 useless extension candidates. Maximal degree in co-relation 3746. Up to 909 conditions per place. [2024-11-28 04:09:20,953 INFO L140 encePairwiseOnDemand]: 207/218 looper letters, 21 selfloop transitions, 2 changer transitions 3/187 dead transitions. [2024-11-28 04:09:20,953 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 187 transitions, 438 flow [2024-11-28 04:09:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:09:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:09:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 575 transitions. [2024-11-28 04:09:20,978 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8792048929663608 [2024-11-28 04:09:20,980 INFO L175 Difference]: Start difference. First operand has 195 places, 196 transitions, 410 flow. Second operand 3 states and 575 transitions. [2024-11-28 04:09:20,981 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 187 transitions, 438 flow [2024-11-28 04:09:20,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 428 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-28 04:09:21,000 INFO L231 Difference]: Finished difference. Result has 190 places, 184 transitions, 380 flow [2024-11-28 04:09:21,003 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=382, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=190, PETRI_TRANSITIONS=184} [2024-11-28 04:09:21,009 INFO L279 CegarLoopForPetriNet]: 195 programPoint places, -5 predicate places. [2024-11-28 04:09:21,009 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 184 transitions, 380 flow [2024-11-28 04:09:21,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-11-28 04:09:21,010 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:09:21,011 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:09:21,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:09:21,011 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2024-11-28 04:09:21,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:09:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash 127550446, now seen corresponding path program 1 times [2024-11-28 04:09:21,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:09:21,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899286585] [2024-11-28 04:09:21,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:09:21,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:09:21,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:09:21,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:09:21,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:09:21,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899286585] [2024-11-28 04:09:21,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899286585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:09:21,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:09:21,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:09:21,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145512811] [2024-11-28 04:09:21,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:09:21,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:09:21,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:09:21,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:09:21,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:09:21,211 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 218 [2024-11-28 04:09:21,213 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 184 transitions, 380 flow. Second operand has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-11-28 04:09:21,213 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:09:21,213 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 218 [2024-11-28 04:09:21,213 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:09:22,287 INFO L124 PetriNetUnfolderBase]: 2067/6222 cut-off events. [2024-11-28 04:09:22,288 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2024-11-28 04:09:22,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9752 conditions, 6222 events. 2067/6222 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 58796 event pairs, 1482 based on Foata normal form. 0/5615 useless extension candidates. Maximal degree in co-relation 9677. Up to 2728 conditions per place. [2024-11-28 04:09:22,325 INFO L140 encePairwiseOnDemand]: 209/218 looper letters, 0 selfloop transitions, 0 changer transitions 184/184 dead transitions. [2024-11-28 04:09:22,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 184 transitions, 447 flow [2024-11-28 04:09:22,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:09:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:09:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2024-11-28 04:09:22,330 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8593272171253823 [2024-11-28 04:09:22,330 INFO L175 Difference]: Start difference. First operand has 190 places, 184 transitions, 380 flow. Second operand 3 states and 562 transitions. [2024-11-28 04:09:22,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 184 transitions, 447 flow [2024-11-28 04:09:22,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 184 transitions, 443 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:09:22,335 INFO L231 Difference]: Finished difference. Result has 181 places, 0 transitions, 0 flow [2024-11-28 04:09:22,335 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=181, PETRI_TRANSITIONS=0} [2024-11-28 04:09:22,336 INFO L279 CegarLoopForPetriNet]: 195 programPoint places, -14 predicate places. [2024-11-28 04:09:22,336 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 0 transitions, 0 flow [2024-11-28 04:09:22,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 176.33333333333334) internal successors, (529), 3 states have internal predecessors, (529), 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) [2024-11-28 04:09:22,339 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2024-11-28 04:09:22,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2024-11-28 04:09:22,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2024-11-28 04:09:22,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2024-11-28 04:09:22,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (12 of 17 remaining) [2024-11-28 04:09:22,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2024-11-28 04:09:22,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2024-11-28 04:09:22,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 17 remaining) [2024-11-28 04:09:22,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 17 remaining) [2024-11-28 04:09:22,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 17 remaining) [2024-11-28 04:09:22,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 17 remaining) [2024-11-28 04:09:22,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2024-11-28 04:09:22,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2024-11-28 04:09:22,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2024-11-28 04:09:22,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2024-11-28 04:09:22,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2024-11-28 04:09:22,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2024-11-28 04:09:22,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:09:22,343 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 04:09:22,349 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:09:22,349 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:09:22,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:09:22 BasicIcfg [2024-11-28 04:09:22,358 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:09:22,358 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:09:22,358 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:09:22,359 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:09:22,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:09:19" (3/4) ... [2024-11-28 04:09:22,362 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:09:22,366 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:09:22,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:09:22,367 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 04:09:22,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2024-11-28 04:09:22,375 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-28 04:09:22,375 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:09:22,375 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-28 04:09:22,375 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:09:22,467 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:09:22,468 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:09:22,468 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:09:22,470 INFO L158 Benchmark]: Toolchain (without parser) took 4280.11ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.6MB in the beginning and 128.5MB in the end (delta: -34.9MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. [2024-11-28 04:09:22,470 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:09:22,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.95ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:09:22,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.02ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:09:22,472 INFO L158 Benchmark]: Boogie Preprocessor took 28.74ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:09:22,473 INFO L158 Benchmark]: RCFGBuilder took 673.27ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 57.9MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:09:22,474 INFO L158 Benchmark]: TraceAbstraction took 3162.56ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.5MB in the beginning and 134.0MB in the end (delta: -76.5MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. [2024-11-28 04:09:22,474 INFO L158 Benchmark]: Witness Printer took 109.99ms. Allocated memory is still 352.3MB. Free memory was 134.0MB in the beginning and 128.5MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:09:22,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.95ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 81.1MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.02ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.74ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 673.27ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 57.9MB in the end (delta: 20.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3162.56ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.5MB in the beginning and 134.0MB in the end (delta: -76.5MB). Peak memory consumption was 194.2MB. Max. memory is 16.1GB. * Witness Printer took 109.99ms. Allocated memory is still 352.3MB. Free memory was 134.0MB in the beginning and 128.5MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: 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 9 procedures, 296 locations, 17 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 6 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.3s InterpolantComputationTime, 127 NumberOfCodeBlocks, 127 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 125 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:09:22,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81b2506a-86bd-4389-823b-827ad9527b66/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE