./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 5e519f3a 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_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc --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 f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:29:17,258 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:29:17,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:29:17,303 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:29:17,304 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:29:17,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:29:17,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:29:17,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:29:17,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:29:17,323 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:29:17,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:29:17,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:29:17,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:29:17,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:29:17,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:29:17,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:29:17,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:29:17,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:29:17,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:29:17,346 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:29:17,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:29:17,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:29:17,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:29:17,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:29:17,360 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:29:17,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:29:17,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:29:17,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:29:17,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:29:17,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:29:17,366 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:29:17,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:29:17,369 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:29:17,371 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:29:17,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:29:17,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:29:17,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:29:17,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:29:17,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:29:17,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:29:17,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:29:17,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-02 20:29:17,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:29:17,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:29:17,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:29:17,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:29:17,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:29:17,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:29:17,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:29:17,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:29:17,415 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:29:17,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:29:17,416 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:29:17,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:29:17,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:29:17,417 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:29:17,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:29:17,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:29:17,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:29:17,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:29:17,418 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-02 20:29:17,418 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:29:17,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:29:17,418 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:29:17,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:29:17,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:29:17,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:29:17,419 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:29:17,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:29:17,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:29:17,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:29:17,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:29:17,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:29:17,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:29:17,421 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:29:17,421 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:29:17,421 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:29:17,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f07f53b70b113c395773370086657e2cda4799340cf7206361c323fc526218bf [2022-11-02 20:29:17,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:29:17,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:29:17,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:29:17,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:29:17,761 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:29:17,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2022-11-02 20:29:17,831 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/data/057ffbc46/913d28382f824dcf8ae32e95b1cec4b3/FLAG72424594f [2022-11-02 20:29:18,374 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:29:18,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/sv-benchmarks/c/goblint-regression/05-lval_ls_12-fldsense_nr.i [2022-11-02 20:29:18,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/data/057ffbc46/913d28382f824dcf8ae32e95b1cec4b3/FLAG72424594f [2022-11-02 20:29:18,674 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/data/057ffbc46/913d28382f824dcf8ae32e95b1cec4b3 [2022-11-02 20:29:18,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:29:18,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:29:18,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:29:18,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:29:18,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:29:18,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:18" (1/1) ... [2022-11-02 20:29:18,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e9ba8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:18, skipping insertion in model container [2022-11-02 20:29:18,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:29:18" (1/1) ... [2022-11-02 20:29:18,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:29:18,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:29:19,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:29:19,150 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:29:19,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:29:19,282 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:29:19,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19 WrapperNode [2022-11-02 20:29:19,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:29:19,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:29:19,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:29:19,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:29:19,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,304 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,328 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2022-11-02 20:29:19,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:29:19,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:29:19,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:29:19,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:29:19,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,355 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,358 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:29:19,363 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:29:19,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:29:19,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:29:19,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (1/1) ... [2022-11-02 20:29:19,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:29:19,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:29:19,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:29:19,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:29:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:29:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:29:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-02 20:29:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:29:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:29:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-02 20:29:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-02 20:29:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:29:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:29:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:29:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:29:19,461 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:29:19,619 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:29:19,621 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:29:20,019 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:29:20,027 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:29:20,027 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:29:20,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:20 BoogieIcfgContainer [2022-11-02 20:29:20,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:29:20,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:29:20,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:29:20,035 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:29:20,036 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:29:18" (1/3) ... [2022-11-02 20:29:20,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740de229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:29:20, skipping insertion in model container [2022-11-02 20:29:20,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:29:19" (2/3) ... [2022-11-02 20:29:20,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740de229 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:29:20, skipping insertion in model container [2022-11-02 20:29:20,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:20" (3/3) ... [2022-11-02 20:29:20,038 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_12-fldsense_nr.i [2022-11-02 20:29:20,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:29:20,057 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:29:20,057 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-02 20:29:20,057 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:29:20,111 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:29:20,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 113 places, 109 transitions, 223 flow [2022-11-02 20:29:20,222 INFO L130 PetriNetUnfolder]: 0/108 cut-off events. [2022-11-02 20:29:20,222 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:29:20,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 112 conditions, 108 events. 0/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-11-02 20:29:20,224 INFO L82 GeneralOperation]: Start removeDead. Operand has 113 places, 109 transitions, 223 flow [2022-11-02 20:29:20,229 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 112 places, 108 transitions, 219 flow [2022-11-02 20:29:20,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:29:20,245 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;@3713ce8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:29:20,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-11-02 20:29:20,260 INFO L130 PetriNetUnfolder]: 0/48 cut-off events. [2022-11-02 20:29:20,261 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:29:20,261 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:29:20,262 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:20,262 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-02 20:29:20,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:20,268 INFO L85 PathProgramCache]: Analyzing trace with hash -574025069, now seen corresponding path program 1 times [2022-11-02 20:29:20,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:20,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702623779] [2022-11-02 20:29:20,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:20,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:21,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:29:21,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:21,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702623779] [2022-11-02 20:29:21,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702623779] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:21,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:21,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:29:21,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830256602] [2022-11-02 20:29:21,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:21,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:29:21,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:29:21,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:29:21,218 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 109 [2022-11-02 20:29:21,226 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 108 transitions, 219 flow. Second operand has 6 states, 6 states have (on average 64.66666666666667) internal successors, (388), 6 states have internal predecessors, (388), 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) [2022-11-02 20:29:21,227 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:29:21,227 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 109 [2022-11-02 20:29:21,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:29:22,255 INFO L130 PetriNetUnfolder]: 653/1932 cut-off events. [2022-11-02 20:29:22,255 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-02 20:29:22,263 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3325 conditions, 1932 events. 653/1932 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 12359 event pairs, 189 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 3285. Up to 681 conditions per place. [2022-11-02 20:29:22,277 INFO L137 encePairwiseOnDemand]: 87/109 looper letters, 170 selfloop transitions, 42 changer transitions 0/274 dead transitions. [2022-11-02 20:29:22,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 274 transitions, 975 flow [2022-11-02 20:29:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:29:22,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:29:22,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 592 transitions. [2022-11-02 20:29:22,299 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.9051987767584098 [2022-11-02 20:29:22,300 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 592 transitions. [2022-11-02 20:29:22,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 592 transitions. [2022-11-02 20:29:22,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:29:22,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 592 transitions. [2022-11-02 20:29:22,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 98.66666666666667) internal successors, (592), 6 states have internal predecessors, (592), 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) [2022-11-02 20:29:22,323 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:22,324 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:22,326 INFO L175 Difference]: Start difference. First operand has 112 places, 108 transitions, 219 flow. Second operand 6 states and 592 transitions. [2022-11-02 20:29:22,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 274 transitions, 975 flow [2022-11-02 20:29:22,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 274 transitions, 974 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:29:22,345 INFO L231 Difference]: Finished difference. Result has 121 places, 154 transitions, 534 flow [2022-11-02 20:29:22,347 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=534, PETRI_PLACES=121, PETRI_TRANSITIONS=154} [2022-11-02 20:29:22,352 INFO L287 CegarLoopForPetriNet]: 112 programPoint places, 9 predicate places. [2022-11-02 20:29:22,352 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 154 transitions, 534 flow [2022-11-02 20:29:22,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.66666666666667) internal successors, (388), 6 states have internal predecessors, (388), 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) [2022-11-02 20:29:22,353 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:29:22,354 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:22,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:29:22,355 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-02 20:29:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:22,357 INFO L85 PathProgramCache]: Analyzing trace with hash -129693544, now seen corresponding path program 1 times [2022-11-02 20:29:22,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:22,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356350564] [2022-11-02 20:29:22,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:22,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:29:22,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:22,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356350564] [2022-11-02 20:29:22,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356350564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:22,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:22,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:29:22,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108338053] [2022-11-02 20:29:22,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:22,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:29:22,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:22,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:29:22,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:29:22,841 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 109 [2022-11-02 20:29:22,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 154 transitions, 534 flow. Second operand has 6 states, 6 states have (on average 63.833333333333336) internal successors, (383), 6 states have internal predecessors, (383), 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) [2022-11-02 20:29:22,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:29:22,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 109 [2022-11-02 20:29:22,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:29:23,709 INFO L130 PetriNetUnfolder]: 977/2775 cut-off events. [2022-11-02 20:29:23,709 INFO L131 PetriNetUnfolder]: For 1123/1125 co-relation queries the response was YES. [2022-11-02 20:29:23,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6451 conditions, 2775 events. 977/2775 cut-off events. For 1123/1125 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 19155 event pairs, 334 based on Foata normal form. 39/2731 useless extension candidates. Maximal degree in co-relation 6407. Up to 1446 conditions per place. [2022-11-02 20:29:23,734 INFO L137 encePairwiseOnDemand]: 92/109 looper letters, 185 selfloop transitions, 53 changer transitions 3/301 dead transitions. [2022-11-02 20:29:23,735 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 301 transitions, 1504 flow [2022-11-02 20:29:23,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:29:23,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:29:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 547 transitions. [2022-11-02 20:29:23,737 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8363914373088684 [2022-11-02 20:29:23,737 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 547 transitions. [2022-11-02 20:29:23,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 547 transitions. [2022-11-02 20:29:23,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:29:23,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 547 transitions. [2022-11-02 20:29:23,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.16666666666667) internal successors, (547), 6 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:29:23,742 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:23,743 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:23,743 INFO L175 Difference]: Start difference. First operand has 121 places, 154 transitions, 534 flow. Second operand 6 states and 547 transitions. [2022-11-02 20:29:23,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 301 transitions, 1504 flow [2022-11-02 20:29:23,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 301 transitions, 1504 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-02 20:29:23,759 INFO L231 Difference]: Finished difference. Result has 131 places, 207 transitions, 1050 flow [2022-11-02 20:29:23,759 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1050, PETRI_PLACES=131, PETRI_TRANSITIONS=207} [2022-11-02 20:29:23,760 INFO L287 CegarLoopForPetriNet]: 112 programPoint places, 19 predicate places. [2022-11-02 20:29:23,760 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 207 transitions, 1050 flow [2022-11-02 20:29:23,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.833333333333336) internal successors, (383), 6 states have internal predecessors, (383), 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) [2022-11-02 20:29:23,761 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:29:23,761 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:23,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:29:23,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-02 20:29:23,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:23,762 INFO L85 PathProgramCache]: Analyzing trace with hash -2134674886, now seen corresponding path program 1 times [2022-11-02 20:29:23,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:23,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127310491] [2022-11-02 20:29:23,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:23,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:24,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:29:24,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:24,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127310491] [2022-11-02 20:29:24,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127310491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:24,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:24,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:29:24,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351764515] [2022-11-02 20:29:24,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:24,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:29:24,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:24,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:29:24,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:29:24,154 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 109 [2022-11-02 20:29:24,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 207 transitions, 1050 flow. Second operand has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 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) [2022-11-02 20:29:24,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:29:24,155 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 109 [2022-11-02 20:29:24,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:29:24,940 INFO L130 PetriNetUnfolder]: 1040/3015 cut-off events. [2022-11-02 20:29:24,940 INFO L131 PetriNetUnfolder]: For 3311/3314 co-relation queries the response was YES. [2022-11-02 20:29:24,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8473 conditions, 3015 events. 1040/3015 cut-off events. For 3311/3314 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 21456 event pairs, 360 based on Foata normal form. 28/2964 useless extension candidates. Maximal degree in co-relation 8423. Up to 1820 conditions per place. [2022-11-02 20:29:24,962 INFO L137 encePairwiseOnDemand]: 92/109 looper letters, 178 selfloop transitions, 68 changer transitions 0/309 dead transitions. [2022-11-02 20:29:24,963 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 309 transitions, 2110 flow [2022-11-02 20:29:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:29:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:29:24,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 486 transitions. [2022-11-02 20:29:24,965 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7431192660550459 [2022-11-02 20:29:24,966 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 486 transitions. [2022-11-02 20:29:24,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 486 transitions. [2022-11-02 20:29:24,966 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:29:24,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 486 transitions. [2022-11-02 20:29:24,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 81.0) internal successors, (486), 6 states have internal predecessors, (486), 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) [2022-11-02 20:29:24,969 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:24,970 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:24,970 INFO L175 Difference]: Start difference. First operand has 131 places, 207 transitions, 1050 flow. Second operand 6 states and 486 transitions. [2022-11-02 20:29:24,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 309 transitions, 2110 flow [2022-11-02 20:29:24,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 309 transitions, 2102 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-11-02 20:29:24,993 INFO L231 Difference]: Finished difference. Result has 141 places, 268 transitions, 1762 flow [2022-11-02 20:29:24,994 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=1042, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1762, PETRI_PLACES=141, PETRI_TRANSITIONS=268} [2022-11-02 20:29:24,997 INFO L287 CegarLoopForPetriNet]: 112 programPoint places, 29 predicate places. [2022-11-02 20:29:24,997 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 268 transitions, 1762 flow [2022-11-02 20:29:24,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 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) [2022-11-02 20:29:24,998 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:29:24,998 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:24,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:29:24,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-02 20:29:25,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:25,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2068035357, now seen corresponding path program 1 times [2022-11-02 20:29:25,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:25,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863608031] [2022-11-02 20:29:25,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:25,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:25,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:29:25,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:25,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863608031] [2022-11-02 20:29:25,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863608031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:25,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:25,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:29:25,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231264562] [2022-11-02 20:29:25,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:25,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:29:25,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:25,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:29:25,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:29:25,138 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 109 [2022-11-02 20:29:25,138 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 268 transitions, 1762 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2022-11-02 20:29:25,139 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:29:25,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 109 [2022-11-02 20:29:25,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:29:25,205 INFO L130 PetriNetUnfolder]: 5/200 cut-off events. [2022-11-02 20:29:25,205 INFO L131 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2022-11-02 20:29:25,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 200 events. 5/200 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 391 event pairs, 2 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 350. Up to 25 conditions per place. [2022-11-02 20:29:25,207 INFO L137 encePairwiseOnDemand]: 105/109 looper letters, 16 selfloop transitions, 4 changer transitions 8/106 dead transitions. [2022-11-02 20:29:25,207 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 106 transitions, 390 flow [2022-11-02 20:29:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:29:25,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-02 20:29:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 291 transitions. [2022-11-02 20:29:25,208 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8899082568807339 [2022-11-02 20:29:25,209 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 291 transitions. [2022-11-02 20:29:25,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 291 transitions. [2022-11-02 20:29:25,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:29:25,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 291 transitions. [2022-11-02 20:29:25,210 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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) [2022-11-02 20:29:25,211 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2022-11-02 20:29:25,212 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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) [2022-11-02 20:29:25,212 INFO L175 Difference]: Start difference. First operand has 141 places, 268 transitions, 1762 flow. Second operand 3 states and 291 transitions. [2022-11-02 20:29:25,212 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 106 transitions, 390 flow [2022-11-02 20:29:25,214 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 106 transitions, 258 flow, removed 26 selfloop flow, removed 30 redundant places. [2022-11-02 20:29:25,216 INFO L231 Difference]: Finished difference. Result has 109 places, 97 transitions, 204 flow [2022-11-02 20:29:25,217 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=104, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=109, PETRI_TRANSITIONS=97} [2022-11-02 20:29:25,217 INFO L287 CegarLoopForPetriNet]: 112 programPoint places, -3 predicate places. [2022-11-02 20:29:25,218 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 97 transitions, 204 flow [2022-11-02 20:29:25,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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) [2022-11-02 20:29:25,218 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:29:25,218 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:25,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:29:25,219 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-02 20:29:25,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:25,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1699535008, now seen corresponding path program 1 times [2022-11-02 20:29:25,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:25,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45951977] [2022-11-02 20:29:25,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:25,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:29:25,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:25,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45951977] [2022-11-02 20:29:25,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45951977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:25,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:25,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:29:25,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961438331] [2022-11-02 20:29:25,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:25,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:29:25,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:25,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:29:25,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:29:25,610 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 109 [2022-11-02 20:29:25,611 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 97 transitions, 204 flow. Second operand has 6 states, 6 states have (on average 66.66666666666667) internal successors, (400), 6 states have internal predecessors, (400), 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) [2022-11-02 20:29:25,611 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:29:25,611 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 109 [2022-11-02 20:29:25,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:29:25,986 INFO L130 PetriNetUnfolder]: 157/510 cut-off events. [2022-11-02 20:29:25,987 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:29:25,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 900 conditions, 510 events. 157/510 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2006 event pairs, 85 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 860. Up to 228 conditions per place. [2022-11-02 20:29:25,990 INFO L137 encePairwiseOnDemand]: 103/109 looper letters, 83 selfloop transitions, 5 changer transitions 4/144 dead transitions. [2022-11-02 20:29:25,990 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 144 transitions, 476 flow [2022-11-02 20:29:25,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:29:25,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:29:25,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 468 transitions. [2022-11-02 20:29:25,992 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7155963302752294 [2022-11-02 20:29:25,992 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 468 transitions. [2022-11-02 20:29:25,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 468 transitions. [2022-11-02 20:29:25,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:29:25,993 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 468 transitions. [2022-11-02 20:29:25,994 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 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) [2022-11-02 20:29:25,996 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:25,996 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:25,996 INFO L175 Difference]: Start difference. First operand has 109 places, 97 transitions, 204 flow. Second operand 6 states and 468 transitions. [2022-11-02 20:29:25,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 144 transitions, 476 flow [2022-11-02 20:29:25,998 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 144 transitions, 472 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-02 20:29:26,000 INFO L231 Difference]: Finished difference. Result has 105 places, 92 transitions, 200 flow [2022-11-02 20:29:26,000 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=200, PETRI_PLACES=105, PETRI_TRANSITIONS=92} [2022-11-02 20:29:26,001 INFO L287 CegarLoopForPetriNet]: 112 programPoint places, -7 predicate places. [2022-11-02 20:29:26,001 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 92 transitions, 200 flow [2022-11-02 20:29:26,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 66.66666666666667) internal successors, (400), 6 states have internal predecessors, (400), 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) [2022-11-02 20:29:26,002 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-11-02 20:29:26,002 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:29:26,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:29:26,003 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-11-02 20:29:26,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:29:26,003 INFO L85 PathProgramCache]: Analyzing trace with hash 964970784, now seen corresponding path program 1 times [2022-11-02 20:29:26,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:29:26,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877053672] [2022-11-02 20:29:26,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:29:26,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:29:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:29:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:29:26,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:29:26,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877053672] [2022-11-02 20:29:26,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877053672] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:29:26,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:29:26,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:29:26,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013086419] [2022-11-02 20:29:26,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:29:26,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:29:26,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:29:26,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:29:26,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:29:26,396 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 109 [2022-11-02 20:29:26,396 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 92 transitions, 200 flow. Second operand has 6 states, 6 states have (on average 65.0) internal successors, (390), 6 states have internal predecessors, (390), 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) [2022-11-02 20:29:26,397 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-02 20:29:26,397 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 109 [2022-11-02 20:29:26,397 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-02 20:29:26,662 INFO L130 PetriNetUnfolder]: 145/433 cut-off events. [2022-11-02 20:29:26,662 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:29:26,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 861 conditions, 433 events. 145/433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1524 event pairs, 97 based on Foata normal form. 13/446 useless extension candidates. Maximal degree in co-relation 819. Up to 254 conditions per place. [2022-11-02 20:29:26,664 INFO L137 encePairwiseOnDemand]: 104/109 looper letters, 0 selfloop transitions, 0 changer transitions 139/139 dead transitions. [2022-11-02 20:29:26,664 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 139 transitions, 472 flow [2022-11-02 20:29:26,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:29:26,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-02 20:29:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 450 transitions. [2022-11-02 20:29:26,666 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.6880733944954128 [2022-11-02 20:29:26,666 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 450 transitions. [2022-11-02 20:29:26,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 450 transitions. [2022-11-02 20:29:26,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:29:26,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 450 transitions. [2022-11-02 20:29:26,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.0) internal successors, (450), 6 states have internal predecessors, (450), 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) [2022-11-02 20:29:26,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:26,670 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 109.0) internal successors, (763), 7 states have internal predecessors, (763), 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) [2022-11-02 20:29:26,671 INFO L175 Difference]: Start difference. First operand has 105 places, 92 transitions, 200 flow. Second operand 6 states and 450 transitions. [2022-11-02 20:29:26,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 139 transitions, 472 flow [2022-11-02 20:29:26,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 139 transitions, 462 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-02 20:29:26,673 INFO L231 Difference]: Finished difference. Result has 100 places, 0 transitions, 0 flow [2022-11-02 20:29:26,674 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=109, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=100, PETRI_TRANSITIONS=0} [2022-11-02 20:29:26,674 INFO L287 CegarLoopForPetriNet]: 112 programPoint places, -12 predicate places. [2022-11-02 20:29:26,675 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 0 transitions, 0 flow [2022-11-02 20:29:26,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.0) internal successors, (390), 6 states have internal predecessors, (390), 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) [2022-11-02 20:29:26,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2022-11-02 20:29:26,678 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2022-11-02 20:29:26,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2022-11-02 20:29:26,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2022-11-02 20:29:26,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-11-02 20:29:26,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2022-11-02 20:29:26,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2022-11-02 20:29:26,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2022-11-02 20:29:26,680 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2022-11-02 20:29:26,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:29:26,681 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-02 20:29:26,686 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:29:26,686 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:29:26,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:29:26 BasicIcfg [2022-11-02 20:29:26,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:29:26,693 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:29:26,693 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:29:26,693 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:29:26,694 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:29:20" (3/4) ... [2022-11-02 20:29:26,696 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:29:26,703 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-02 20:29:26,707 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-02 20:29:26,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-02 20:29:26,708 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:29:26,743 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:29:26,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:29:26,744 INFO L158 Benchmark]: Toolchain (without parser) took 8063.06ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 80.1MB in the beginning and 160.0MB in the end (delta: -79.8MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2022-11-02 20:29:26,744 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:29:26,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.16ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 84.1MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:29:26,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.32ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 81.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:29:26,745 INFO L158 Benchmark]: Boogie Preprocessor took 32.76ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:29:26,745 INFO L158 Benchmark]: RCFGBuilder took 667.17ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 63.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 20:29:26,746 INFO L158 Benchmark]: TraceAbstraction took 6660.49ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 62.8MB in the beginning and 163.1MB in the end (delta: -100.3MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. [2022-11-02 20:29:26,746 INFO L158 Benchmark]: Witness Printer took 50.28ms. Allocated memory is still 230.7MB. Free memory was 162.1MB in the beginning and 160.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:29:26,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 98.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.16ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 84.1MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.32ms. Allocated memory is still 117.4MB. Free memory was 84.1MB in the beginning and 81.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.76ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 667.17ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 63.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6660.49ms. Allocated memory was 117.4MB in the beginning and 230.7MB in the end (delta: 113.2MB). Free memory was 62.8MB in the beginning and 163.1MB in the end (delta: -100.3MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. * Witness Printer took 50.28ms. Allocated memory is still 230.7MB. Free memory was 162.1MB in the beginning and 160.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 683]: 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, 137 locations, 9 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: 6.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 263 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1295 IncrementalHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 263 mSolverCounterUnsat, 205 mSDtfsCounter, 1295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1762occurred in iteration=3, InterpolantAutomatonStates: 33, 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, 2.3s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 760 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:29:26,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17109ebf-1023-4a92-912a-5e533a9f06fc/bin/uautomizer-Dbtcem3rbc/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