./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu --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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:32:50,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:32:50,248 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:32:50,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:32:50,255 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:32:50,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:32:50,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:32:50,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:32:50,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:32:50,311 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:32:50,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:32:50,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:32:50,315 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:32:50,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:32:50,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:32:50,320 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:32:50,321 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:32:50,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:32:50,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:32:50,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:32:50,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:32:50,324 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:32:50,324 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:32:50,325 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:32:50,325 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:32:50,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:32:50,326 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:32:50,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:32:50,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:32:50,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:32:50,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:50,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:32:50,331 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:32:50,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:32:50,331 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:32:50,332 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:32:50,332 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:32:50,332 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:32:50,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:32:50,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:32:50,333 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:32:50,334 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2023-11-19 07:32:50,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:32:50,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:32:50,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:32:50,689 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:32:50,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:32:50,691 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2023-11-19 07:32:53,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:32:54,098 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:32:54,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2023-11-19 07:32:54,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/data/37178a191/d42794613e7c4a8abae44c79663eb0c3/FLAG8cfcadd54 [2023-11-19 07:32:54,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/data/37178a191/d42794613e7c4a8abae44c79663eb0c3 [2023-11-19 07:32:54,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:32:54,147 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:32:54,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:54,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:32:54,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:32:54,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eed565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54, skipping insertion in model container [2023-11-19 07:32:54,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,200 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:32:54,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:54,619 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:32:54,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:32:54,741 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:32:54,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54 WrapperNode [2023-11-19 07:32:54,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:32:54,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:54,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:32:54,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:32:54,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,821 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-19 07:32:54,822 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:32:54,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:32:54,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:32:54,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:32:54,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,853 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,855 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:32:54,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:32:54,869 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:32:54,869 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:32:54,870 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (1/1) ... [2023-11-19 07:32:54,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:32:54,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:32:54,909 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:32:54,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:32:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:32:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:32:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:32:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:32:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:32:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:32:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:32:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:32:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:32:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:32:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:32:54,961 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:32:55,098 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:32:55,100 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:32:55,347 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:32:55,360 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:32:55,360 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:32:55,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:55 BoogieIcfgContainer [2023-11-19 07:32:55,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:32:55,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:32:55,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:32:55,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:32:55,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:32:54" (1/3) ... [2023-11-19 07:32:55,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3ccfbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:55, skipping insertion in model container [2023-11-19 07:32:55,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:32:54" (2/3) ... [2023-11-19 07:32:55,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b3ccfbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:32:55, skipping insertion in model container [2023-11-19 07:32:55,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:55" (3/3) ... [2023-11-19 07:32:55,375 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2023-11-19 07:32:55,385 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:32:55,397 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:32:55,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-19 07:32:55,397 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:32:55,486 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 07:32:55,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 85 places, 84 transitions, 175 flow [2023-11-19 07:32:55,576 INFO L124 PetriNetUnfolderBase]: 3/83 cut-off events. [2023-11-19 07:32:55,576 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:32:55,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 83 events. 3/83 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 72 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2023-11-19 07:32:55,581 INFO L82 GeneralOperation]: Start removeDead. Operand has 85 places, 84 transitions, 175 flow [2023-11-19 07:32:55,586 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 75 transitions, 153 flow [2023-11-19 07:32:55,589 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:32:55,600 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 75 transitions, 153 flow [2023-11-19 07:32:55,603 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 75 transitions, 153 flow [2023-11-19 07:32:55,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 76 places, 75 transitions, 153 flow [2023-11-19 07:32:55,630 INFO L124 PetriNetUnfolderBase]: 3/75 cut-off events. [2023-11-19 07:32:55,630 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:32:55,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 79 conditions, 75 events. 3/75 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 72 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2023-11-19 07:32:55,633 INFO L119 LiptonReduction]: Number of co-enabled transitions 1008 [2023-11-19 07:32:58,670 INFO L134 LiptonReduction]: Checked pairs total: 1071 [2023-11-19 07:32:58,670 INFO L136 LiptonReduction]: Total number of compositions: 87 [2023-11-19 07:32:58,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:32:58,695 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@31008d13, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:32:58,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-19 07:32:58,698 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:32:58,698 INFO L124 PetriNetUnfolderBase]: 0/3 cut-off events. [2023-11-19 07:32:58,699 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:32:58,699 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:32:58,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-11-19 07:32:58,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr1ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-19 07:32:58,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:32:58,706 INFO L85 PathProgramCache]: Analyzing trace with hash 333020, now seen corresponding path program 1 times [2023-11-19 07:32:58,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:32:58,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791032453] [2023-11-19 07:32:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:32:58,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:32:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:32:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:32:58,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:32:58,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791032453] [2023-11-19 07:32:58,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791032453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:32:58,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:32:58,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-19 07:32:58,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785061527] [2023-11-19 07:32:58,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:32:58,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:32:58,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:32:58,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:32:58,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:32:58,979 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 171 [2023-11-19 07:32:58,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 10 transitions, 23 flow. Second operand has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:32:58,982 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:32:58,982 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 171 [2023-11-19 07:32:58,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:32:59,018 INFO L124 PetriNetUnfolderBase]: 4/14 cut-off events. [2023-11-19 07:32:59,018 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:32:59,019 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33 conditions, 14 events. 4/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 16 event pairs, 4 based on Foata normal form. 0/14 useless extension candidates. Maximal degree in co-relation 24. Up to 15 conditions per place. [2023-11-19 07:32:59,020 INFO L140 encePairwiseOnDemand]: 167/171 looper letters, 0 selfloop transitions, 0 changer transitions 6/6 dead transitions. [2023-11-19 07:32:59,020 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 6 transitions, 27 flow [2023-11-19 07:32:59,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:32:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:32:59,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 168 transitions. [2023-11-19 07:32:59,036 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49122807017543857 [2023-11-19 07:32:59,037 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 168 transitions. [2023-11-19 07:32:59,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 168 transitions. [2023-11-19 07:32:59,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:32:59,042 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 168 transitions. [2023-11-19 07:32:59,045 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 84.0) internal successors, (168), 2 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:32:59,050 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:32:59,051 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:32:59,053 INFO L175 Difference]: Start difference. First operand has 14 places, 10 transitions, 23 flow. Second operand 2 states and 168 transitions. [2023-11-19 07:32:59,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 6 transitions, 27 flow [2023-11-19 07:32:59,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 26 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:32:59,057 INFO L231 Difference]: Finished difference. Result has 10 places, 0 transitions, 0 flow [2023-11-19 07:32:59,059 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=14, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=6, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=6, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=10, PETRI_TRANSITIONS=0} [2023-11-19 07:32:59,064 INFO L281 CegarLoopForPetriNet]: 14 programPoint places, -4 predicate places. [2023-11-19 07:32:59,064 INFO L495 AbstractCegarLoop]: Abstraction has has 10 places, 0 transitions, 0 flow [2023-11-19 07:32:59,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 80.5) internal successors, (161), 2 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:32:59,067 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-19 07:32:59,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-11-19 07:32:59,068 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-19 07:32:59,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-11-19 07:32:59,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-19 07:32:59,069 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-19 07:32:59,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-19 07:32:59,070 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-19 07:32:59,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:32:59,071 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 07:32:59,078 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:32:59,078 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:32:59,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:32:59 BasicIcfg [2023-11-19 07:32:59,091 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:32:59,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:32:59,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:32:59,094 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:32:59,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:32:55" (3/4) ... [2023-11-19 07:32:59,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:32:59,102 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 07:32:59,109 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 07:32:59,110 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:32:59,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:32:59,111 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:32:59,221 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:32:59,221 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:32:59,222 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:32:59,225 INFO L158 Benchmark]: Toolchain (without parser) took 5076.04ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 92.4MB in the beginning and 127.5MB in the end (delta: -35.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:59,226 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:32:59,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.31ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 73.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:32:59,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.83ms. Allocated memory is still 140.5MB. Free memory was 73.1MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:32:59,227 INFO L158 Benchmark]: Boogie Preprocessor took 44.71ms. Allocated memory is still 140.5MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:32:59,228 INFO L158 Benchmark]: RCFGBuilder took 496.55ms. Allocated memory is still 140.5MB. Free memory was 69.4MB in the beginning and 107.4MB in the end (delta: -38.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 07:32:59,228 INFO L158 Benchmark]: TraceAbstraction took 3723.27ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 106.3MB in the beginning and 132.8MB in the end (delta: -26.4MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2023-11-19 07:32:59,231 INFO L158 Benchmark]: Witness Printer took 128.00ms. Allocated memory is still 169.9MB. Free memory was 132.8MB in the beginning and 127.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:32:59,234 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 140.5MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.31ms. Allocated memory is still 140.5MB. Free memory was 92.4MB in the beginning and 73.1MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.83ms. Allocated memory is still 140.5MB. Free memory was 73.1MB in the beginning and 71.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.71ms. Allocated memory is still 140.5MB. Free memory was 71.1MB in the beginning and 69.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 496.55ms. Allocated memory is still 140.5MB. Free memory was 69.4MB in the beginning and 107.4MB in the end (delta: -38.0MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3723.27ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 106.3MB in the beginning and 132.8MB in the end (delta: -26.4MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. * Witness Printer took 128.00ms. Allocated memory is still 169.9MB. Free memory was 132.8MB in the beginning and 127.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.1s, 76 PlacesBefore, 14 PlacesAfterwards, 75 TransitionsBefore, 10 TransitionsAfterwards, 1008 CoEnabledTransitionPairs, 7 FixpointIterations, 19 TrivialSequentialCompositions, 58 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 87 TotalNumberOfCompositions, 1071 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 909, independent: 874, independent conditional: 0, independent unconditional: 874, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 556, independent: 540, independent conditional: 0, independent unconditional: 540, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 909, independent: 334, independent conditional: 0, independent unconditional: 334, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 556, unknown conditional: 0, unknown unconditional: 556] , Statistics on independence cache: Total cache size (in pairs): 6, Positive cache size: 1, Positive conditional cache size: 0, Positive unconditional cache size: 1, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 701]: 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: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: 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, 123 locations, 8 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: 3.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:32:59,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7404215e-762c-4b13-a4d8-e700ab67871e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE