./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 38b53e6a 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_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R --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 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f --- 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-38b53e6 [2022-11-25 18:15:33,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:15:33,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:15:33,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:15:33,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:15:33,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:15:33,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:15:33,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:15:33,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:15:33,357 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:15:33,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:15:33,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:15:33,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:15:33,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:15:33,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:15:33,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:15:33,365 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:15:33,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:15:33,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:15:33,371 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:15:33,373 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:15:33,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:15:33,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:15:33,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:15:33,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:15:33,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:15:33,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:15:33,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:15:33,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:15:33,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:15:33,386 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:15:33,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:15:33,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:15:33,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:15:33,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:15:33,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:15:33,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:15:33,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:15:33,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:15:33,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:15:33,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:15:33,397 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-25 18:15:33,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:15:33,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:15:33,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:15:33,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:15:33,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 18:15:33,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 18:15:33,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:15:33,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:15:33,429 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:15:33,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:15:33,430 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:15:33,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:15:33,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:15:33,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:15:33,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:15:33,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 18:15:33,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 18:15:33,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 18:15:33,433 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-25 18:15:33,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:15:33,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:15:33,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:15:33,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 18:15:33,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:15:33,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:15:33,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 18:15:33,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:15:33,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:15:33,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 18:15:33,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 18:15:33,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:15:33,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 18:15:33,437 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 18:15:33,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 18:15:33,438 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 18:15:33,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 18:15:33,438 INFO L138 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_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3427cff38b27502f1724e7992c2bbd22dfeaf576101e50c5b78d18afb7a0563f [2022-11-25 18:15:33,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:15:33,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:15:33,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:15:33,798 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:15:33,798 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:15:33,800 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i [2022-11-25 18:15:37,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:15:37,689 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:15:37,690 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i [2022-11-25 18:15:37,722 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/data/d9884822c/d87322314d2c4ed0a4f4024d43bdd12b/FLAG51aeabe81 [2022-11-25 18:15:37,740 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/data/d9884822c/d87322314d2c4ed0a4f4024d43bdd12b [2022-11-25 18:15:37,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:15:37,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:15:37,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:15:37,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:15:37,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:15:37,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:15:37" (1/1) ... [2022-11-25 18:15:37,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a00a3a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:37, skipping insertion in model container [2022-11-25 18:15:37,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:15:37" (1/1) ... [2022-11-25 18:15:37,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:15:37,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:15:38,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2022-11-25 18:15:38,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:15:38,294 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:15:38,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_true.i[1088,1101] [2022-11-25 18:15:38,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:15:38,381 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:15:38,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38 WrapperNode [2022-11-25 18:15:38,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:15:38,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:15:38,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:15:38,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:15:38,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,460 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2022-11-25 18:15:38,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:15:38,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:15:38,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:15:38,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:15:38,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,512 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:15:38,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:15:38,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:15:38,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:15:38,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (1/1) ... [2022-11-25 18:15:38,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 18:15:38,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:15:38,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 18:15:38,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 18:15:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:15:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:15:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-25 18:15:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 18:15:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:15:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-25 18:15:38,638 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-25 18:15:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:15:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 18:15:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:15:38,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:15:38,642 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-25 18:15:38,815 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:15:38,817 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:15:39,087 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:15:39,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:15:39,095 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 18:15:39,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:15:39 BoogieIcfgContainer [2022-11-25 18:15:39,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:15:39,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 18:15:39,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 18:15:39,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 18:15:39,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:15:37" (1/3) ... [2022-11-25 18:15:39,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5188cd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:15:39, skipping insertion in model container [2022-11-25 18:15:39,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:15:38" (2/3) ... [2022-11-25 18:15:39,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5188cd2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:15:39, skipping insertion in model container [2022-11-25 18:15:39,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:15:39" (3/3) ... [2022-11-25 18:15:39,125 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2022-11-25 18:15:39,152 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-25 18:15:39,212 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 18:15:39,212 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-25 18:15:39,212 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-25 18:15:39,369 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-25 18:15:39,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 97 transitions, 202 flow [2022-11-25 18:15:39,486 INFO L130 PetriNetUnfolder]: 3/96 cut-off events. [2022-11-25 18:15:39,486 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-25 18:15:39,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 3/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-11-25 18:15:39,493 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 97 transitions, 202 flow [2022-11-25 18:15:39,498 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 88 transitions, 179 flow [2022-11-25 18:15:39,503 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-25 18:15:39,521 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 88 transitions, 179 flow [2022-11-25 18:15:39,524 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 88 transitions, 179 flow [2022-11-25 18:15:39,525 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 89 places, 88 transitions, 179 flow [2022-11-25 18:15:39,559 INFO L130 PetriNetUnfolder]: 3/88 cut-off events. [2022-11-25 18:15:39,560 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:15:39,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 88 events. 3/88 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 0 based on Foata normal form. 0/79 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2022-11-25 18:15:39,563 INFO L119 LiptonReduction]: Number of co-enabled transitions 1296 [2022-11-25 18:15:43,231 INFO L134 LiptonReduction]: Checked pairs total: 3273 [2022-11-25 18:15:43,232 INFO L136 LiptonReduction]: Total number of compositions: 82 [2022-11-25 18:15:43,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 18:15:43,277 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;@7b45b2f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 18:15:43,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-25 18:15:43,281 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2022-11-25 18:15:43,281 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:15:43,282 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:15:43,283 INFO L209 CegarLoopForPetriNet]: trace histogram [1] [2022-11-25 18:15:43,284 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-25 18:15:43,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:43,292 INFO L85 PathProgramCache]: Analyzing trace with hash 346, now seen corresponding path program 1 times [2022-11-25 18:15:43,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:43,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821893237] [2022-11-25 18:15:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:43,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:15:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:43,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821893237] [2022-11-25 18:15:43,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821893237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:43,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:43,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-25 18:15:43,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761023548] [2022-11-25 18:15:43,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:43,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 18:15:43,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:43,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 18:15:43,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 18:15:43,466 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 179 [2022-11-25 18:15:43,469 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 53 flow. Second operand has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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) [2022-11-25 18:15:43,469 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:15:43,469 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 179 [2022-11-25 18:15:43,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:15:43,538 INFO L130 PetriNetUnfolder]: 46/127 cut-off events. [2022-11-25 18:15:43,538 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:15:43,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 231 conditions, 127 events. 46/127 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 507 event pairs, 42 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 222. Up to 100 conditions per place. [2022-11-25 18:15:43,541 INFO L137 encePairwiseOnDemand]: 177/179 looper letters, 15 selfloop transitions, 0 changer transitions 0/23 dead transitions. [2022-11-25 18:15:43,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 23 transitions, 79 flow [2022-11-25 18:15:43,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 18:15:43,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-25 18:15:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 199 transitions. [2022-11-25 18:15:43,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5558659217877095 [2022-11-25 18:15:43,558 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 199 transitions. [2022-11-25 18:15:43,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 199 transitions. [2022-11-25 18:15:43,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:15:43,563 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 199 transitions. [2022-11-25 18:15:43,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 99.5) internal successors, (199), 2 states have internal predecessors, (199), 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) [2022-11-25 18:15:43,572 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2022-11-25 18:15:43,573 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 179.0) internal successors, (537), 3 states have internal predecessors, (537), 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) [2022-11-25 18:15:43,575 INFO L175 Difference]: Start difference. First operand has 27 places, 25 transitions, 53 flow. Second operand 2 states and 199 transitions. [2022-11-25 18:15:43,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 23 transitions, 79 flow [2022-11-25 18:15:43,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 23 transitions, 78 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 18:15:43,581 INFO L231 Difference]: Finished difference. Result has 26 places, 23 transitions, 48 flow [2022-11-25 18:15:43,583 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=25, 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=2, PETRI_FLOW=48, PETRI_PLACES=26, PETRI_TRANSITIONS=23} [2022-11-25 18:15:43,592 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -1 predicate places. [2022-11-25 18:15:43,592 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 23 transitions, 48 flow [2022-11-25 18:15:43,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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) [2022-11-25 18:15:43,593 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:15:43,594 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 18:15:43,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 18:15:43,595 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-25 18:15:43,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash 329624161, now seen corresponding path program 1 times [2022-11-25 18:15:43,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:43,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161829533] [2022-11-25 18:15:43,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:43,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:43,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:15:43,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:43,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161829533] [2022-11-25 18:15:43,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161829533] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:43,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:43,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:15:43,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845623503] [2022-11-25 18:15:43,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:43,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:15:43,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:43,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:15:43,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:15:43,825 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 179 [2022-11-25 18:15:43,826 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 23 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2022-11-25 18:15:43,826 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:15:43,826 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 179 [2022-11-25 18:15:43,826 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:15:43,947 INFO L130 PetriNetUnfolder]: 81/208 cut-off events. [2022-11-25 18:15:43,947 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-25 18:15:43,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397 conditions, 208 events. 81/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 928 event pairs, 30 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 394. Up to 125 conditions per place. [2022-11-25 18:15:43,950 INFO L137 encePairwiseOnDemand]: 171/179 looper letters, 23 selfloop transitions, 6 changer transitions 0/32 dead transitions. [2022-11-25 18:15:43,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 32 transitions, 124 flow [2022-11-25 18:15:43,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:15:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:15:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 271 transitions. [2022-11-25 18:15:43,953 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5046554934823091 [2022-11-25 18:15:43,953 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 271 transitions. [2022-11-25 18:15:43,953 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 271 transitions. [2022-11-25 18:15:43,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:15:43,954 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 271 transitions. [2022-11-25 18:15:43,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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) [2022-11-25 18:15:43,958 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:43,958 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:43,958 INFO L175 Difference]: Start difference. First operand has 26 places, 23 transitions, 48 flow. Second operand 3 states and 271 transitions. [2022-11-25 18:15:43,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 32 transitions, 124 flow [2022-11-25 18:15:43,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 32 transitions, 124 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-25 18:15:43,960 INFO L231 Difference]: Finished difference. Result has 29 places, 25 transitions, 84 flow [2022-11-25 18:15:43,960 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=29, PETRI_TRANSITIONS=25} [2022-11-25 18:15:43,961 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 2 predicate places. [2022-11-25 18:15:43,961 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 25 transitions, 84 flow [2022-11-25 18:15:43,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2022-11-25 18:15:43,962 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:15:43,962 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 18:15:43,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 18:15:43,963 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-25 18:15:43,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:43,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1628773726, now seen corresponding path program 1 times [2022-11-25 18:15:43,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:43,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785081888] [2022-11-25 18:15:43,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:43,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:44,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:15:44,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:44,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785081888] [2022-11-25 18:15:44,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785081888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:44,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:44,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:15:44,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841835505] [2022-11-25 18:15:44,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:44,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:15:44,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:44,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:15:44,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:15:44,059 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 179 [2022-11-25 18:15:44,060 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 25 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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) [2022-11-25 18:15:44,060 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:15:44,060 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 179 [2022-11-25 18:15:44,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:15:44,151 INFO L130 PetriNetUnfolder]: 83/203 cut-off events. [2022-11-25 18:15:44,151 INFO L131 PetriNetUnfolder]: For 65/69 co-relation queries the response was YES. [2022-11-25 18:15:44,152 INFO L83 FinitePrefix]: Finished finitePrefix Result has 481 conditions, 203 events. 83/203 cut-off events. For 65/69 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 900 event pairs, 48 based on Foata normal form. 2/169 useless extension candidates. Maximal degree in co-relation 476. Up to 167 conditions per place. [2022-11-25 18:15:44,154 INFO L137 encePairwiseOnDemand]: 175/179 looper letters, 24 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2022-11-25 18:15:44,154 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 32 transitions, 156 flow [2022-11-25 18:15:44,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:15:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:15:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 272 transitions. [2022-11-25 18:15:44,161 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5065176908752328 [2022-11-25 18:15:44,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 272 transitions. [2022-11-25 18:15:44,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 272 transitions. [2022-11-25 18:15:44,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:15:44,162 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 272 transitions. [2022-11-25 18:15:44,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 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) [2022-11-25 18:15:44,166 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,167 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,167 INFO L175 Difference]: Start difference. First operand has 29 places, 25 transitions, 84 flow. Second operand 3 states and 272 transitions. [2022-11-25 18:15:44,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 32 transitions, 156 flow [2022-11-25 18:15:44,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 32 transitions, 142 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-25 18:15:44,170 INFO L231 Difference]: Finished difference. Result has 30 places, 27 transitions, 93 flow [2022-11-25 18:15:44,170 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=30, PETRI_TRANSITIONS=27} [2022-11-25 18:15:44,171 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2022-11-25 18:15:44,171 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 93 flow [2022-11-25 18:15:44,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.0) internal successors, (252), 3 states have internal predecessors, (252), 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) [2022-11-25 18:15:44,172 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:15:44,172 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:15:44,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 18:15:44,172 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-25 18:15:44,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:44,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1048539014, now seen corresponding path program 1 times [2022-11-25 18:15:44,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:44,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78103178] [2022-11-25 18:15:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:44,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:15:44,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:44,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78103178] [2022-11-25 18:15:44,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78103178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:44,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:44,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:15:44,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269845057] [2022-11-25 18:15:44,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:44,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:15:44,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:44,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:15:44,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:15:44,283 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 179 [2022-11-25 18:15:44,284 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-11-25 18:15:44,284 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:15:44,284 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 179 [2022-11-25 18:15:44,284 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:15:44,382 INFO L130 PetriNetUnfolder]: 101/236 cut-off events. [2022-11-25 18:15:44,382 INFO L131 PetriNetUnfolder]: For 71/79 co-relation queries the response was YES. [2022-11-25 18:15:44,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 568 conditions, 236 events. 101/236 cut-off events. For 71/79 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1039 event pairs, 51 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 562. Up to 179 conditions per place. [2022-11-25 18:15:44,394 INFO L137 encePairwiseOnDemand]: 174/179 looper letters, 26 selfloop transitions, 4 changer transitions 1/35 dead transitions. [2022-11-25 18:15:44,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 35 transitions, 175 flow [2022-11-25 18:15:44,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:15:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:15:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2022-11-25 18:15:44,399 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5102420856610801 [2022-11-25 18:15:44,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 274 transitions. [2022-11-25 18:15:44,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 274 transitions. [2022-11-25 18:15:44,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:15:44,402 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 274 transitions. [2022-11-25 18:15:44,404 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2022-11-25 18:15:44,407 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,411 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,411 INFO L175 Difference]: Start difference. First operand has 30 places, 27 transitions, 93 flow. Second operand 3 states and 274 transitions. [2022-11-25 18:15:44,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 35 transitions, 175 flow [2022-11-25 18:15:44,413 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 35 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 18:15:44,416 INFO L231 Difference]: Finished difference. Result has 33 places, 30 transitions, 124 flow [2022-11-25 18:15:44,417 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=124, PETRI_PLACES=33, PETRI_TRANSITIONS=30} [2022-11-25 18:15:44,419 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, 6 predicate places. [2022-11-25 18:15:44,419 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 30 transitions, 124 flow [2022-11-25 18:15:44,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-11-25 18:15:44,421 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:15:44,421 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:15:44,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 18:15:44,421 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-25 18:15:44,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:44,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1586947365, now seen corresponding path program 1 times [2022-11-25 18:15:44,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:44,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852551384] [2022-11-25 18:15:44,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:44,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:44,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:15:44,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:44,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852551384] [2022-11-25 18:15:44,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852551384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:44,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:44,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 18:15:44,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228272931] [2022-11-25 18:15:44,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:44,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:15:44,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:44,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:15:44,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:15:44,629 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 179 [2022-11-25 18:15:44,629 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 30 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2022-11-25 18:15:44,630 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:15:44,630 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 179 [2022-11-25 18:15:44,630 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:15:44,682 INFO L130 PetriNetUnfolder]: 18/70 cut-off events. [2022-11-25 18:15:44,682 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2022-11-25 18:15:44,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 70 events. 18/70 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 205 event pairs, 2 based on Foata normal form. 9/66 useless extension candidates. Maximal degree in co-relation 175. Up to 42 conditions per place. [2022-11-25 18:15:44,685 INFO L137 encePairwiseOnDemand]: 175/179 looper letters, 13 selfloop transitions, 4 changer transitions 1/22 dead transitions. [2022-11-25 18:15:44,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 22 transitions, 114 flow [2022-11-25 18:15:44,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:15:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:15:44,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 277 transitions. [2022-11-25 18:15:44,687 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.515828677839851 [2022-11-25 18:15:44,687 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 277 transitions. [2022-11-25 18:15:44,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 277 transitions. [2022-11-25 18:15:44,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:15:44,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 277 transitions. [2022-11-25 18:15:44,689 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2022-11-25 18:15:44,692 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,693 INFO L175 Difference]: Start difference. First operand has 33 places, 30 transitions, 124 flow. Second operand 3 states and 277 transitions. [2022-11-25 18:15:44,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 22 transitions, 114 flow [2022-11-25 18:15:44,697 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 94 flow, removed 4 selfloop flow, removed 6 redundant places. [2022-11-25 18:15:44,698 INFO L231 Difference]: Finished difference. Result has 26 places, 20 transitions, 62 flow [2022-11-25 18:15:44,698 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=20, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=26, PETRI_TRANSITIONS=20} [2022-11-25 18:15:44,702 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -1 predicate places. [2022-11-25 18:15:44,702 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 20 transitions, 62 flow [2022-11-25 18:15:44,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2022-11-25 18:15:44,703 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-25 18:15:44,705 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:15:44,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 18:15:44,706 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-25 18:15:44,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:15:44,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1538424562, now seen corresponding path program 1 times [2022-11-25 18:15:44,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:15:44,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310747504] [2022-11-25 18:15:44,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:15:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:15:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:15:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:15:44,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:15:44,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310747504] [2022-11-25 18:15:44,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310747504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:15:44,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:15:44,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:15:44,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768898035] [2022-11-25 18:15:44,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:15:44,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 18:15:44,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:15:44,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:15:44,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:15:44,927 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 179 [2022-11-25 18:15:44,928 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 20 transitions, 62 flow. Second operand has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 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) [2022-11-25 18:15:44,928 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-25 18:15:44,928 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 179 [2022-11-25 18:15:44,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-25 18:15:44,982 INFO L130 PetriNetUnfolder]: 10/51 cut-off events. [2022-11-25 18:15:44,982 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-25 18:15:44,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 51 events. 10/51 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 106 event pairs, 7 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 115. Up to 25 conditions per place. [2022-11-25 18:15:44,983 INFO L137 encePairwiseOnDemand]: 177/179 looper letters, 0 selfloop transitions, 0 changer transitions 26/26 dead transitions. [2022-11-25 18:15:44,983 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 26 transitions, 124 flow [2022-11-25 18:15:44,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:15:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-25 18:15:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 280 transitions. [2022-11-25 18:15:44,985 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.521415270018622 [2022-11-25 18:15:44,986 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 280 transitions. [2022-11-25 18:15:44,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 280 transitions. [2022-11-25 18:15:44,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:15:44,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 280 transitions. [2022-11-25 18:15:44,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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) [2022-11-25 18:15:44,989 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,990 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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) [2022-11-25 18:15:44,990 INFO L175 Difference]: Start difference. First operand has 26 places, 20 transitions, 62 flow. Second operand 3 states and 280 transitions. [2022-11-25 18:15:44,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 26 transitions, 124 flow [2022-11-25 18:15:44,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 26 transitions, 118 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-25 18:15:44,991 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2022-11-25 18:15:44,992 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2022-11-25 18:15:44,996 INFO L288 CegarLoopForPetriNet]: 27 programPoint places, -1 predicate places. [2022-11-25 18:15:44,996 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2022-11-25 18:15:44,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 88.33333333333333) internal successors, (265), 3 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) [2022-11-25 18:15:45,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-25 18:15:45,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-25 18:15:45,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-25 18:15:45,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-11-25 18:15:45,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-11-25 18:15:45,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-11-25 18:15:45,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-25 18:15:45,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-25 18:15:45,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-25 18:15:45,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-25 18:15:45,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 18:15:45,010 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 18:15:45,017 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-25 18:15:45,017 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 18:15:45,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:15:45 BasicIcfg [2022-11-25 18:15:45,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 18:15:45,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:15:45,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:15:45,030 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:15:45,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:15:39" (3/4) ... [2022-11-25 18:15:45,033 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 18:15:45,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-25 18:15:45,047 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-25 18:15:45,048 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 18:15:45,048 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-25 18:15:45,048 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 18:15:45,103 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 18:15:45,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:15:45,104 INFO L158 Benchmark]: Toolchain (without parser) took 7359.55ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 105.8MB in the beginning and 93.5MB in the end (delta: 12.2MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-11-25 18:15:45,105 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:15:45,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.41ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 86.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-25 18:15:45,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.30ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 84.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:15:45,106 INFO L158 Benchmark]: Boogie Preprocessor took 68.94ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:15:45,106 INFO L158 Benchmark]: RCFGBuilder took 566.80ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 69.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 18:15:45,107 INFO L158 Benchmark]: TraceAbstraction took 5927.82ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 68.8MB in the beginning and 96.7MB in the end (delta: -27.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-11-25 18:15:45,107 INFO L158 Benchmark]: Witness Printer took 74.44ms. Allocated memory is still 188.7MB. Free memory was 96.7MB in the beginning and 93.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 18:15:45,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 96.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.41ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 86.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.30ms. Allocated memory is still 151.0MB. Free memory was 86.6MB in the beginning and 84.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.94ms. Allocated memory is still 151.0MB. Free memory was 84.5MB in the beginning and 83.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.80ms. Allocated memory is still 151.0MB. Free memory was 83.0MB in the beginning and 69.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5927.82ms. Allocated memory was 151.0MB in the beginning and 188.7MB in the end (delta: 37.7MB). Free memory was 68.8MB in the beginning and 96.7MB in the end (delta: -27.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 74.44ms. Allocated memory is still 188.7MB. Free memory was 96.7MB in the beginning and 93.5MB 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: 3.7s, 89 PlacesBefore, 27 PlacesAfterwards, 88 TransitionsBefore, 25 TransitionsAfterwards, 1296 CoEnabledTransitionPairs, 7 FixpointIterations, 37 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 82 TotalNumberOfCompositions, 3273 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1784, independent: 1581, independent conditional: 0, independent unconditional: 1581, dependent: 203, dependent conditional: 0, dependent unconditional: 203, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 931, independent: 899, independent conditional: 0, independent unconditional: 899, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 931, independent: 865, independent conditional: 0, independent unconditional: 865, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 132, independent: 56, independent conditional: 0, independent unconditional: 56, dependent: 76, dependent conditional: 0, dependent unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1784, independent: 682, independent conditional: 0, independent unconditional: 682, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 931, unknown conditional: 0, unknown unconditional: 931] , Statistics on independence cache: Total cache size (in pairs): 109, Positive cache size: 88, Positive conditional cache size: 0, Positive unconditional cache size: 88, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 123 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.6s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 22 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 22 mSDtfsCounter, 270 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred 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, 0.5s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 47 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! [2022-11-25 18:15:45,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37663b59-82a6-4a6d-acb5-7ae9bdc67455/bin/uautomizer-ZsLfNo2U6R/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