./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:48:45,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:48:45,971 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:48:45,978 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:48:45,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:48:46,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:48:46,015 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:48:46,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:48:46,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:48:46,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:48:46,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:48:46,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:48:46,022 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:48:46,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:48:46,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:48:46,025 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:48:46,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:48:46,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:48:46,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:48:46,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:48:46,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:48:46,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:48:46,030 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:48:46,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:48:46,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:48:46,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:48:46,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:48:46,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:48:46,035 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:48:46,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:48:46,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:48:46,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:48:46,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:48:46,039 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:48:46,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:48:46,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:48:46,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:48:46,041 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:48:46,042 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:48:46,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:48:46,043 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:48:46,044 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_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f5c1949da3ffd7703b26279578bf3cad55c86e8b0ffaff69f49645cdd541f53 [2023-11-06 22:48:46,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:48:46,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:48:46,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:48:46,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:48:46,487 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:48:46,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2023-11-06 22:48:50,495 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:48:50,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:48:50,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2023-11-06 22:48:51,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/data/e9f65d3ce/ecb79c3370ef43ecb01ccc80d8da2282/FLAGbc2ba309b [2023-11-06 22:48:51,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/data/e9f65d3ce/ecb79c3370ef43ecb01ccc80d8da2282 [2023-11-06 22:48:51,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:48:51,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:48:51,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:51,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:48:51,062 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:48:51,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:51" (1/1) ... [2023-11-06 22:48:51,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@252c0194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:51, skipping insertion in model container [2023-11-06 22:48:51,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:51" (1/1) ... [2023-11-06 22:48:51,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:48:51,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:51,998 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:48:52,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:52,237 WARN L672 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:48:52,247 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:48:52,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52 WrapperNode [2023-11-06 22:48:52,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:52,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:52,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:48:52,251 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:48:52,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,390 INFO L138 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 103 [2023-11-06 22:48:52,391 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:52,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:48:52,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:48:52,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:48:52,406 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,461 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:48:52,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:48:52,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:48:52,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:48:52,517 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (1/1) ... [2023-11-06 22:48:52,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:48:52,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:52,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:52,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:48:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2023-11-06 22:48:52,615 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2023-11-06 22:48:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2023-11-06 22:48:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2023-11-06 22:48:52,616 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2023-11-06 22:48:52,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:48:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:48:52,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:48:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:48:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:48:52,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:48:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:48:52,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:48:52,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:48:52,629 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:48:53,054 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:48:53,057 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:48:53,332 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:48:53,343 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:48:53,344 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 22:48:53,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:53 BoogieIcfgContainer [2023-11-06 22:48:53,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:48:53,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:48:53,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:48:53,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:48:53,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:48:51" (1/3) ... [2023-11-06 22:48:53,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8bde85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:53, skipping insertion in model container [2023-11-06 22:48:53,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:52" (2/3) ... [2023-11-06 22:48:53,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a8bde85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:48:53, skipping insertion in model container [2023-11-06 22:48:53,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:53" (3/3) ... [2023-11-06 22:48:53,359 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2023-11-06 22:48:53,371 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:48:53,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:48:53,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-11-06 22:48:53,386 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:48:53,516 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:48:53,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 133 places, 128 transitions, 270 flow [2023-11-06 22:48:53,657 INFO L124 PetriNetUnfolderBase]: 2/126 cut-off events. [2023-11-06 22:48:53,658 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:48:53,666 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135 conditions, 126 events. 2/126 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 124 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2023-11-06 22:48:53,666 INFO L82 GeneralOperation]: Start removeDead. Operand has 133 places, 128 transitions, 270 flow [2023-11-06 22:48:53,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 115 transitions, 239 flow [2023-11-06 22:48:53,678 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:48:53,692 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 115 transitions, 239 flow [2023-11-06 22:48:53,696 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 115 transitions, 239 flow [2023-11-06 22:48:53,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 120 places, 115 transitions, 239 flow [2023-11-06 22:48:53,743 INFO L124 PetriNetUnfolderBase]: 2/115 cut-off events. [2023-11-06 22:48:53,743 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 22:48:53,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 115 events. 2/115 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 124 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2023-11-06 22:48:53,750 INFO L119 LiptonReduction]: Number of co-enabled transitions 2868 [2023-11-06 22:49:00,233 INFO L134 LiptonReduction]: Checked pairs total: 7144 [2023-11-06 22:49:00,234 INFO L136 LiptonReduction]: Total number of compositions: 97 [2023-11-06 22:49:00,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:49:00,261 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59022721, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:49:00,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2023-11-06 22:49:00,267 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:49:00,267 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2023-11-06 22:49:00,267 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:49:00,268 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:00,268 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:49:00,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-06 22:49:00,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:00,275 INFO L85 PathProgramCache]: Analyzing trace with hash 424531118, now seen corresponding path program 1 times [2023-11-06 22:49:00,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:00,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224688796] [2023-11-06 22:49:00,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:00,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:00,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:00,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224688796] [2023-11-06 22:49:00,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224688796] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:00,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:00,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 22:49:00,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317598346] [2023-11-06 22:49:00,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:00,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:49:00,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:00,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:49:00,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:49:00,802 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 121 out of 225 [2023-11-06 22:49:00,806 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 36 transitions, 81 flow. Second operand has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:00,806 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:00,806 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 225 [2023-11-06 22:49:00,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:01,016 INFO L124 PetriNetUnfolderBase]: 147/375 cut-off events. [2023-11-06 22:49:01,016 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-06 22:49:01,024 INFO L83 FinitePrefix]: Finished finitePrefix Result has 684 conditions, 375 events. 147/375 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1660 event pairs, 147 based on Foata normal form. 12/360 useless extension candidates. Maximal degree in co-relation 633. Up to 279 conditions per place. [2023-11-06 22:49:01,029 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 20 selfloop transitions, 0 changer transitions 0/32 dead transitions. [2023-11-06 22:49:01,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 32 transitions, 113 flow [2023-11-06 22:49:01,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:49:01,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:49:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions. [2023-11-06 22:49:01,061 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5888888888888889 [2023-11-06 22:49:01,062 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 265 transitions. [2023-11-06 22:49:01,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions. [2023-11-06 22:49:01,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:01,071 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions. [2023-11-06 22:49:01,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,085 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,086 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 225.0) internal successors, (675), 3 states have internal predecessors, (675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,088 INFO L175 Difference]: Start difference. First operand has 42 places, 36 transitions, 81 flow. Second operand 2 states and 265 transitions. [2023-11-06 22:49:01,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 32 transitions, 113 flow [2023-11-06 22:49:01,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 32 transitions, 108 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 22:49:01,101 INFO L231 Difference]: Finished difference. Result has 37 places, 32 transitions, 68 flow [2023-11-06 22:49:01,104 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=68, PETRI_PLACES=37, PETRI_TRANSITIONS=32} [2023-11-06 22:49:01,110 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -5 predicate places. [2023-11-06 22:49:01,111 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 68 flow [2023-11-06 22:49:01,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 123.5) internal successors, (247), 2 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,111 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:01,111 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:49:01,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:49:01,112 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-06 22:49:01,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:01,115 INFO L85 PathProgramCache]: Analyzing trace with hash 274585857, now seen corresponding path program 1 times [2023-11-06 22:49:01,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:01,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647446810] [2023-11-06 22:49:01,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:01,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:01,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:01,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647446810] [2023-11-06 22:49:01,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647446810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:01,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:01,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:01,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128682439] [2023-11-06 22:49:01,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:01,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:01,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:01,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:01,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:01,437 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 225 [2023-11-06 22:49:01,438 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:01,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 225 [2023-11-06 22:49:01,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:01,625 INFO L124 PetriNetUnfolderBase]: 234/524 cut-off events. [2023-11-06 22:49:01,625 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:49:01,627 INFO L83 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 524 events. 234/524 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2253 event pairs, 190 based on Foata normal form. 0/489 useless extension candidates. Maximal degree in co-relation 982. Up to 368 conditions per place. [2023-11-06 22:49:01,632 INFO L140 encePairwiseOnDemand]: 220/225 looper letters, 30 selfloop transitions, 4 changer transitions 0/42 dead transitions. [2023-11-06 22:49:01,632 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 42 transitions, 158 flow [2023-11-06 22:49:01,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:01,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2023-11-06 22:49:01,636 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5496296296296296 [2023-11-06 22:49:01,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 371 transitions. [2023-11-06 22:49:01,636 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 371 transitions. [2023-11-06 22:49:01,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:01,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 371 transitions. [2023-11-06 22:49:01,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.66666666666667) internal successors, (371), 3 states have internal predecessors, (371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,645 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,645 INFO L175 Difference]: Start difference. First operand has 37 places, 32 transitions, 68 flow. Second operand 3 states and 371 transitions. [2023-11-06 22:49:01,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 42 transitions, 158 flow [2023-11-06 22:49:01,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 42 transitions, 158 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:49:01,648 INFO L231 Difference]: Finished difference. Result has 41 places, 35 transitions, 98 flow [2023-11-06 22:49:01,649 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=41, PETRI_TRANSITIONS=35} [2023-11-06 22:49:01,650 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -1 predicate places. [2023-11-06 22:49:01,650 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 35 transitions, 98 flow [2023-11-06 22:49:01,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,651 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:01,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:01,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:49:01,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting f2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-06 22:49:01,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:01,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1472704568, now seen corresponding path program 1 times [2023-11-06 22:49:01,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:01,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456333327] [2023-11-06 22:49:01,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:01,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:01,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:01,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:01,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456333327] [2023-11-06 22:49:01,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456333327] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:01,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:01,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:01,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768367570] [2023-11-06 22:49:01,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:01,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:01,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:01,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:01,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:01,786 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 225 [2023-11-06 22:49:01,787 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 35 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,788 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:01,788 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 225 [2023-11-06 22:49:01,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:01,951 INFO L124 PetriNetUnfolderBase]: 262/569 cut-off events. [2023-11-06 22:49:01,952 INFO L125 PetriNetUnfolderBase]: For 105/119 co-relation queries the response was YES. [2023-11-06 22:49:01,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1195 conditions, 569 events. 262/569 cut-off events. For 105/119 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 2570 event pairs, 194 based on Foata normal form. 2/517 useless extension candidates. Maximal degree in co-relation 1190. Up to 426 conditions per place. [2023-11-06 22:49:01,958 INFO L140 encePairwiseOnDemand]: 218/225 looper letters, 29 selfloop transitions, 7 changer transitions 4/50 dead transitions. [2023-11-06 22:49:01,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 50 transitions, 219 flow [2023-11-06 22:49:01,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2023-11-06 22:49:01,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.554074074074074 [2023-11-06 22:49:01,961 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 374 transitions. [2023-11-06 22:49:01,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 374 transitions. [2023-11-06 22:49:01,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:01,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 374 transitions. [2023-11-06 22:49:01,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.66666666666667) internal successors, (374), 3 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,968 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,969 INFO L175 Difference]: Start difference. First operand has 41 places, 35 transitions, 98 flow. Second operand 3 states and 374 transitions. [2023-11-06 22:49:01,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 50 transitions, 219 flow [2023-11-06 22:49:01,971 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 50 transitions, 207 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:49:01,973 INFO L231 Difference]: Finished difference. Result has 42 places, 40 transitions, 135 flow [2023-11-06 22:49:01,973 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=135, PETRI_PLACES=42, PETRI_TRANSITIONS=40} [2023-11-06 22:49:01,974 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 0 predicate places. [2023-11-06 22:49:01,975 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 40 transitions, 135 flow [2023-11-06 22:49:01,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:01,976 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:01,976 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:01,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:49:01,976 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting f1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-06 22:49:01,977 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:01,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1937137968, now seen corresponding path program 1 times [2023-11-06 22:49:01,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:01,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514150501] [2023-11-06 22:49:01,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:01,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:02,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:02,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:02,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514150501] [2023-11-06 22:49:02,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514150501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:02,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:02,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:02,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049802797] [2023-11-06 22:49:02,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:02,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:02,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:02,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:02,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:02,096 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 225 [2023-11-06 22:49:02,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 40 transitions, 135 flow. Second operand has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:02,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 225 [2023-11-06 22:49:02,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:02,263 INFO L124 PetriNetUnfolderBase]: 326/639 cut-off events. [2023-11-06 22:49:02,263 INFO L125 PetriNetUnfolderBase]: For 238/268 co-relation queries the response was YES. [2023-11-06 22:49:02,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1578 conditions, 639 events. 326/639 cut-off events. For 238/268 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2727 event pairs, 177 based on Foata normal form. 6/619 useless extension candidates. Maximal degree in co-relation 1572. Up to 407 conditions per place. [2023-11-06 22:49:02,270 INFO L140 encePairwiseOnDemand]: 217/225 looper letters, 40 selfloop transitions, 9 changer transitions 0/56 dead transitions. [2023-11-06 22:49:02,271 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 56 transitions, 287 flow [2023-11-06 22:49:02,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:02,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:02,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2023-11-06 22:49:02,274 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5585185185185185 [2023-11-06 22:49:02,274 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2023-11-06 22:49:02,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2023-11-06 22:49:02,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:02,275 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2023-11-06 22:49:02,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,279 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,281 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,281 INFO L175 Difference]: Start difference. First operand has 42 places, 40 transitions, 135 flow. Second operand 3 states and 377 transitions. [2023-11-06 22:49:02,281 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 56 transitions, 287 flow [2023-11-06 22:49:02,284 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 56 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:49:02,286 INFO L231 Difference]: Finished difference. Result has 45 places, 47 transitions, 208 flow [2023-11-06 22:49:02,287 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=128, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=208, PETRI_PLACES=45, PETRI_TRANSITIONS=47} [2023-11-06 22:49:02,288 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, 3 predicate places. [2023-11-06 22:49:02,288 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 47 transitions, 208 flow [2023-11-06 22:49:02,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.66666666666667) internal successors, (344), 3 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,289 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:02,289 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:02,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:49:02,290 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting f1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-06 22:49:02,290 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:02,291 INFO L85 PathProgramCache]: Analyzing trace with hash -463863219, now seen corresponding path program 1 times [2023-11-06 22:49:02,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:02,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302574329] [2023-11-06 22:49:02,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:02,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:02,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:02,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:02,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302574329] [2023-11-06 22:49:02,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302574329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:02,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:02,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:49:02,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519552635] [2023-11-06 22:49:02,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:02,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:02,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:02,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:02,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:02,612 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 225 [2023-11-06 22:49:02,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 47 transitions, 208 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,614 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:02,614 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 225 [2023-11-06 22:49:02,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:02,710 INFO L124 PetriNetUnfolderBase]: 58/197 cut-off events. [2023-11-06 22:49:02,710 INFO L125 PetriNetUnfolderBase]: For 105/105 co-relation queries the response was YES. [2023-11-06 22:49:02,711 INFO L83 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 197 events. 58/197 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 673 event pairs, 15 based on Foata normal form. 26/223 useless extension candidates. Maximal degree in co-relation 481. Up to 109 conditions per place. [2023-11-06 22:49:02,713 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 14 selfloop transitions, 5 changer transitions 6/33 dead transitions. [2023-11-06 22:49:02,713 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 33 transitions, 159 flow [2023-11-06 22:49:02,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 370 transitions. [2023-11-06 22:49:02,716 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5481481481481482 [2023-11-06 22:49:02,716 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 370 transitions. [2023-11-06 22:49:02,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 370 transitions. [2023-11-06 22:49:02,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:02,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 370 transitions. [2023-11-06 22:49:02,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 123.33333333333333) internal successors, (370), 3 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,723 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,724 INFO L175 Difference]: Start difference. First operand has 45 places, 47 transitions, 208 flow. Second operand 3 states and 370 transitions. [2023-11-06 22:49:02,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 33 transitions, 159 flow [2023-11-06 22:49:02,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 123 flow, removed 10 selfloop flow, removed 8 redundant places. [2023-11-06 22:49:02,728 INFO L231 Difference]: Finished difference. Result has 35 places, 24 transitions, 61 flow [2023-11-06 22:49:02,728 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=61, PETRI_PLACES=35, PETRI_TRANSITIONS=24} [2023-11-06 22:49:02,730 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -7 predicate places. [2023-11-06 22:49:02,730 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 24 transitions, 61 flow [2023-11-06 22:49:02,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,731 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:49:02,731 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:49:02,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:49:02,732 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting f1Err3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 11 more)] === [2023-11-06 22:49:02,732 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:49:02,733 INFO L85 PathProgramCache]: Analyzing trace with hash 834562401, now seen corresponding path program 1 times [2023-11-06 22:49:02,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:49:02,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476227194] [2023-11-06 22:49:02,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:49:02,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:49:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:49:02,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:49:02,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:49:02,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476227194] [2023-11-06 22:49:02,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476227194] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:49:02,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:49:02,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:49:02,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349258374] [2023-11-06 22:49:02,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:49:02,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:49:02,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:49:02,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:49:02,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:49:02,864 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 225 [2023-11-06 22:49:02,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 24 transitions, 61 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,866 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:49:02,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 225 [2023-11-06 22:49:02,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:49:02,935 INFO L124 PetriNetUnfolderBase]: 43/138 cut-off events. [2023-11-06 22:49:02,936 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-06 22:49:02,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 301 conditions, 138 events. 43/138 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 429 event pairs, 39 based on Foata normal form. 6/142 useless extension candidates. Maximal degree in co-relation 297. Up to 105 conditions per place. [2023-11-06 22:49:02,937 INFO L140 encePairwiseOnDemand]: 223/225 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2023-11-06 22:49:02,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 26 transitions, 109 flow [2023-11-06 22:49:02,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:49:02,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:49:02,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 358 transitions. [2023-11-06 22:49:02,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5303703703703704 [2023-11-06 22:49:02,940 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 358 transitions. [2023-11-06 22:49:02,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 358 transitions. [2023-11-06 22:49:02,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:49:02,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 358 transitions. [2023-11-06 22:49:02,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 119.33333333333333) internal successors, (358), 3 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,947 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 225.0) internal successors, (900), 4 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,947 INFO L175 Difference]: Start difference. First operand has 35 places, 24 transitions, 61 flow. Second operand 3 states and 358 transitions. [2023-11-06 22:49:02,948 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 26 transitions, 109 flow [2023-11-06 22:49:02,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 26 transitions, 104 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:49:02,949 INFO L231 Difference]: Finished difference. Result has 31 places, 0 transitions, 0 flow [2023-11-06 22:49:02,950 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=31, PETRI_TRANSITIONS=0} [2023-11-06 22:49:02,951 INFO L281 CegarLoopForPetriNet]: 42 programPoint places, -11 predicate places. [2023-11-06 22:49:02,951 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 0 transitions, 0 flow [2023-11-06 22:49:02,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:49:02,955 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2023-11-06 22:49:02,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2023-11-06 22:49:02,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 14 remaining) [2023-11-06 22:49:02,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 14 remaining) [2023-11-06 22:49:02,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2023-11-06 22:49:02,957 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (8 of 14 remaining) [2023-11-06 22:49:02,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2023-11-06 22:49:02,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2023-11-06 22:49:02,958 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2023-11-06 22:49:02,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err0ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2023-11-06 22:49:02,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err1ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2023-11-06 22:49:02,959 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err2ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2023-11-06 22:49:02,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f1Err3ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2023-11-06 22:49:02,960 INFO L805 garLoopResultBuilder]: Registering result SAFE for location f2Err0ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2023-11-06 22:49:02,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:49:02,961 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:49:02,968 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:49:02,968 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:49:02,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:49:02 BasicIcfg [2023-11-06 22:49:02,976 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:49:02,977 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:49:02,977 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:49:02,978 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:49:02,978 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:53" (3/4) ... [2023-11-06 22:49:02,981 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:49:02,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f1 [2023-11-06 22:49:02,986 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f2 [2023-11-06 22:49:02,994 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-06 22:49:02,995 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:49:02,995 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:49:02,996 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:49:03,074 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:49:03,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:49:03,076 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:49:03,077 INFO L158 Benchmark]: Toolchain (without parser) took 12031.75ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 149.6MB in the beginning and 128.0MB in the end (delta: 21.6MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2023-11-06 22:49:03,077 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:03,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1198.80ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 111.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-06 22:49:03,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.45ms. Allocated memory is still 199.2MB. Free memory was 111.9MB in the beginning and 108.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:49:03,078 INFO L158 Benchmark]: Boogie Preprocessor took 103.08ms. Allocated memory is still 199.2MB. Free memory was 108.8MB in the beginning and 105.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:49:03,079 INFO L158 Benchmark]: RCFGBuilder took 837.51ms. Allocated memory is still 199.2MB. Free memory was 105.6MB in the beginning and 83.6MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:49:03,080 INFO L158 Benchmark]: TraceAbstraction took 9626.07ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 83.5MB in the beginning and 131.2MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:49:03,081 INFO L158 Benchmark]: Witness Printer took 98.71ms. Allocated memory is still 239.1MB. Free memory was 131.2MB in the beginning and 128.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:49:03,083 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 125.8MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1198.80ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 111.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.45ms. Allocated memory is still 199.2MB. Free memory was 111.9MB in the beginning and 108.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.08ms. Allocated memory is still 199.2MB. Free memory was 108.8MB in the beginning and 105.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 837.51ms. Allocated memory is still 199.2MB. Free memory was 105.6MB in the beginning and 83.6MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 9626.07ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 83.5MB in the beginning and 131.2MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 98.71ms. Allocated memory is still 239.1MB. Free memory was 131.2MB in the beginning and 128.0MB in the end (delta: 3.1MB). 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: 6.5s, 120 PlacesBefore, 42 PlacesAfterwards, 115 TransitionsBefore, 36 TransitionsAfterwards, 2868 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 56 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 1 ChoiceCompositions, 97 TotalNumberOfCompositions, 7144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3957, independent: 3668, independent conditional: 0, independent unconditional: 3668, dependent: 289, dependent conditional: 0, dependent unconditional: 289, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1581, independent: 1538, independent conditional: 0, independent unconditional: 1538, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3957, independent: 2130, independent conditional: 0, independent unconditional: 2130, dependent: 246, dependent conditional: 0, dependent unconditional: 246, unknown: 1581, unknown conditional: 0, unknown unconditional: 1581] , Statistics on independence cache: Total cache size (in pairs): 191, Positive cache size: 166, Positive conditional cache size: 0, Positive unconditional cache size: 166, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1378]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1379]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1356]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1358]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1359]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1360]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1366]: 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 5 procedures, 183 locations, 14 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: 9.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 198 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 352 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 34 mSDtfsCounter, 352 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=4, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:49:03,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3bd84845-d4a5-4e8b-8fa1-e32410be2383/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE