./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-12-racy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b 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_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12-racy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro --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 c4525591fa85ffc9750f318a48c09fdd29dc0d26cd65c6303a681f57303fc1a4 --- 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-8393723 [2022-11-18 19:55:50,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:55:50,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:55:50,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:55:50,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:55:50,377 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:55:50,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:55:50,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:55:50,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:55:50,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:55:50,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:55:50,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:55:50,400 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:55:50,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:55:50,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:55:50,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:55:50,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:55:50,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:55:50,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:55:50,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:55:50,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:55:50,435 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:55:50,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:55:50,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:55:50,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:55:50,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:55:50,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:55:50,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:55:50,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:55:50,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:55:50,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:55:50,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:55:50,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:55:50,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:55:50,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:55:50,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:55:50,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:55:50,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:55:50,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:55:50,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:55:50,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:55:50,466 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-18 19:55:50,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:55:50,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:55:50,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:55:50,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:55:50,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 19:55:50,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 19:55:50,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:55:50,524 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:55:50,524 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:55:50,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:55:50,526 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 19:55:50,526 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:55:50,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:55:50,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 19:55:50,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:55:50,527 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 19:55:50,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 19:55:50,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 19:55:50,528 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-18 19:55:50,528 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 19:55:50,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:55:50,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:55:50,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 19:55:50,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:55:50,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:55:50,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 19:55:50,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:55:50,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:55:50,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 19:55:50,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 19:55:50,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:55:50,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 19:55:50,532 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 19:55:50,533 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 19:55:50,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 19:55:50,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4525591fa85ffc9750f318a48c09fdd29dc0d26cd65c6303a681f57303fc1a4 [2022-11-18 19:55:50,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:55:50,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:55:50,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:55:50,959 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:55:50,960 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:55:50,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/pthread/fib_unsafe-12-racy.i [2022-11-18 19:55:51,048 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/data/2b5886e2e/4dd8edd7f9004cebac17ede0bbab5049/FLAGc4b218f29 [2022-11-18 19:55:51,677 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:55:51,678 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/sv-benchmarks/c/pthread/fib_unsafe-12-racy.i [2022-11-18 19:55:51,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/data/2b5886e2e/4dd8edd7f9004cebac17ede0bbab5049/FLAGc4b218f29 [2022-11-18 19:55:51,940 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/data/2b5886e2e/4dd8edd7f9004cebac17ede0bbab5049 [2022-11-18 19:55:51,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:55:51,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:55:51,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:55:51,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:55:51,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:55:51,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:55:51" (1/1) ... [2022-11-18 19:55:51,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19e8885c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:51, skipping insertion in model container [2022-11-18 19:55:51,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:55:51" (1/1) ... [2022-11-18 19:55:51,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:55:52,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:55:52,556 WARN L234 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_67743f62-f831-42d9-9740-062a5bdc4231/sv-benchmarks/c/pthread/fib_unsafe-12-racy.i[30813,30826] [2022-11-18 19:55:52,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:55:52,577 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:55:52,675 WARN L234 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_67743f62-f831-42d9-9740-062a5bdc4231/sv-benchmarks/c/pthread/fib_unsafe-12-racy.i[30813,30826] [2022-11-18 19:55:52,676 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:55:52,731 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:55:52,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52 WrapperNode [2022-11-18 19:55:52,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:55:52,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:55:52,734 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:55:52,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:55:52,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,821 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122 [2022-11-18 19:55:52,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:55:52,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:55:52,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:55:52,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:55:52,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,872 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:55:52,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:55:52,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:55:52,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:55:52,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (1/1) ... [2022-11-18 19:55:52,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 19:55:52,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:55:52,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 19:55:52,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 19:55:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-18 19:55:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-18 19:55:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-18 19:55:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-18 19:55:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 19:55:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-18 19:55:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 19:55:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 19:55:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 19:55:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 19:55:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-18 19:55:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:55:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:55:52,983 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-18 19:55:53,196 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:55:53,199 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:55:53,550 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:55:53,632 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:55:53,632 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 19:55:53,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:55:53 BoogieIcfgContainer [2022-11-18 19:55:53,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:55:53,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 19:55:53,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 19:55:53,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 19:55:53,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 07:55:51" (1/3) ... [2022-11-18 19:55:53,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f540b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:55:53, skipping insertion in model container [2022-11-18 19:55:53,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:55:52" (2/3) ... [2022-11-18 19:55:53,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f540b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 07:55:53, skipping insertion in model container [2022-11-18 19:55:53,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:55:53" (3/3) ... [2022-11-18 19:55:53,650 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-12-racy.i [2022-11-18 19:55:53,658 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-18 19:55:53,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 19:55:53,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-18 19:55:53,669 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-18 19:55:53,725 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-18 19:55:53,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 192 places, 193 transitions, 396 flow [2022-11-18 19:55:53,917 INFO L130 PetriNetUnfolder]: 8/191 cut-off events. [2022-11-18 19:55:53,918 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:53,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 191 events. 8/191 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 366 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 159. Up to 2 conditions per place. [2022-11-18 19:55:53,928 INFO L82 GeneralOperation]: Start removeDead. Operand has 192 places, 193 transitions, 396 flow [2022-11-18 19:55:53,937 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 191 transitions, 388 flow [2022-11-18 19:55:53,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 19:55:53,963 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;@2c864997, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 19:55:53,964 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-11-18 19:55:53,971 INFO L130 PetriNetUnfolder]: 0/26 cut-off events. [2022-11-18 19:55:53,975 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:53,976 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:53,976 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:53,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:53,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:53,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1641346029, now seen corresponding path program 1 times [2022-11-18 19:55:53,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:53,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967803310] [2022-11-18 19:55:53,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:53,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:54,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:54,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:54,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967803310] [2022-11-18 19:55:54,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967803310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:54,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:54,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-18 19:55:54,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296760674] [2022-11-18 19:55:54,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:54,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 19:55:54,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:54,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 19:55:54,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 19:55:54,237 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 174 out of 193 [2022-11-18 19:55:54,240 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 191 transitions, 388 flow. Second operand has 2 states, 2 states have (on average 174.5) internal successors, (349), 2 states have internal predecessors, (349), 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) [2022-11-18 19:55:54,241 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:54,241 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 174 of 193 [2022-11-18 19:55:54,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:54,374 INFO L130 PetriNetUnfolder]: 9/295 cut-off events. [2022-11-18 19:55:54,374 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 19:55:54,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 295 events. 9/295 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 941 event pairs, 2 based on Foata normal form. 10/255 useless extension candidates. Maximal degree in co-relation 274. Up to 11 conditions per place. [2022-11-18 19:55:54,380 INFO L137 encePairwiseOnDemand]: 181/193 looper letters, 6 selfloop transitions, 0 changer transitions 0/178 dead transitions. [2022-11-18 19:55:54,380 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 178 transitions, 374 flow [2022-11-18 19:55:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 19:55:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-18 19:55:54,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 366 transitions. [2022-11-18 19:55:54,400 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9481865284974094 [2022-11-18 19:55:54,401 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 366 transitions. [2022-11-18 19:55:54,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 366 transitions. [2022-11-18 19:55:54,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:54,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 366 transitions. [2022-11-18 19:55:54,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 183.0) internal successors, (366), 2 states have internal predecessors, (366), 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) [2022-11-18 19:55:54,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2022-11-18 19:55:54,422 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 193.0) internal successors, (579), 3 states have internal predecessors, (579), 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) [2022-11-18 19:55:54,425 INFO L175 Difference]: Start difference. First operand has 190 places, 191 transitions, 388 flow. Second operand 2 states and 366 transitions. [2022-11-18 19:55:54,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 178 transitions, 374 flow [2022-11-18 19:55:54,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 178 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:54,433 INFO L231 Difference]: Finished difference. Result has 180 places, 178 transitions, 360 flow [2022-11-18 19:55:54,436 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=360, PETRI_PLACES=180, PETRI_TRANSITIONS=178} [2022-11-18 19:55:54,443 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -10 predicate places. [2022-11-18 19:55:54,444 INFO L495 AbstractCegarLoop]: Abstraction has has 180 places, 178 transitions, 360 flow [2022-11-18 19:55:54,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 174.5) internal successors, (349), 2 states have internal predecessors, (349), 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) [2022-11-18 19:55:54,445 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:54,445 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:54,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 19:55:54,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:54,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:54,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1855578032, now seen corresponding path program 1 times [2022-11-18 19:55:54,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:54,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536706245] [2022-11-18 19:55:54,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:54,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:54,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:54,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536706245] [2022-11-18 19:55:54,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536706245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:54,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:54,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:54,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726411389] [2022-11-18 19:55:54,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:54,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:54,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:54,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:54,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:54,633 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2022-11-18 19:55:54,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 180 places, 178 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:55:54,634 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:54,634 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2022-11-18 19:55:54,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:54,823 INFO L130 PetriNetUnfolder]: 48/393 cut-off events. [2022-11-18 19:55:54,824 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:54,831 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 393 events. 48/393 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1816 event pairs, 14 based on Foata normal form. 0/313 useless extension candidates. Maximal degree in co-relation 511. Up to 77 conditions per place. [2022-11-18 19:55:54,836 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 19 selfloop transitions, 2 changer transitions 0/179 dead transitions. [2022-11-18 19:55:54,836 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 179 transitions, 406 flow [2022-11-18 19:55:54,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:54,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 502 transitions. [2022-11-18 19:55:54,843 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8670120898100173 [2022-11-18 19:55:54,843 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 502 transitions. [2022-11-18 19:55:54,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 502 transitions. [2022-11-18 19:55:54,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:54,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 502 transitions. [2022-11-18 19:55:54,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.33333333333334) internal successors, (502), 3 states have internal predecessors, (502), 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) [2022-11-18 19:55:54,849 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:54,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:54,850 INFO L175 Difference]: Start difference. First operand has 180 places, 178 transitions, 360 flow. Second operand 3 states and 502 transitions. [2022-11-18 19:55:54,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 179 transitions, 406 flow [2022-11-18 19:55:54,852 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 179 transitions, 406 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-18 19:55:54,855 INFO L231 Difference]: Finished difference. Result has 181 places, 177 transitions, 362 flow [2022-11-18 19:55:54,855 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=358, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=175, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=181, PETRI_TRANSITIONS=177} [2022-11-18 19:55:54,856 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -9 predicate places. [2022-11-18 19:55:54,857 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 177 transitions, 362 flow [2022-11-18 19:55:54,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:55:54,857 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:54,858 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:54,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 19:55:54,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:54,859 INFO L85 PathProgramCache]: Analyzing trace with hash -998404074, now seen corresponding path program 1 times [2022-11-18 19:55:54,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:54,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126343838] [2022-11-18 19:55:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:54,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:54,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:54,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:54,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126343838] [2022-11-18 19:55:54,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126343838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:54,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:54,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:54,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444546867] [2022-11-18 19:55:54,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:54,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:54,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:54,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:54,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:54,975 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 193 [2022-11-18 19:55:54,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 177 transitions, 362 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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) [2022-11-18 19:55:54,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:54,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 193 [2022-11-18 19:55:54,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:55,078 INFO L130 PetriNetUnfolder]: 34/261 cut-off events. [2022-11-18 19:55:55,078 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-18 19:55:55,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 358 conditions, 261 events. 34/261 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 977 event pairs, 11 based on Foata normal form. 0/219 useless extension candidates. Maximal degree in co-relation 354. Up to 34 conditions per place. [2022-11-18 19:55:55,083 INFO L137 encePairwiseOnDemand]: 189/193 looper letters, 15 selfloop transitions, 2 changer transitions 0/177 dead transitions. [2022-11-18 19:55:55,084 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 177 transitions, 398 flow [2022-11-18 19:55:55,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2022-11-18 19:55:55,087 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8721934369602763 [2022-11-18 19:55:55,087 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 505 transitions. [2022-11-18 19:55:55,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 505 transitions. [2022-11-18 19:55:55,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:55,089 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 505 transitions. [2022-11-18 19:55:55,091 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2022-11-18 19:55:55,093 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,093 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,093 INFO L175 Difference]: Start difference. First operand has 181 places, 177 transitions, 362 flow. Second operand 3 states and 505 transitions. [2022-11-18 19:55:55,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 177 transitions, 398 flow [2022-11-18 19:55:55,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 177 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:55,099 INFO L231 Difference]: Finished difference. Result has 179 places, 175 transitions, 358 flow [2022-11-18 19:55:55,099 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=354, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=358, PETRI_PLACES=179, PETRI_TRANSITIONS=175} [2022-11-18 19:55:55,101 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -11 predicate places. [2022-11-18 19:55:55,102 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 175 transitions, 358 flow [2022-11-18 19:55:55,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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) [2022-11-18 19:55:55,103 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:55,103 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:55,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 19:55:55,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:55,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:55,107 INFO L85 PathProgramCache]: Analyzing trace with hash 2056557989, now seen corresponding path program 1 times [2022-11-18 19:55:55,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:55,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226476886] [2022-11-18 19:55:55,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:55,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:55,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:55,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:55,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226476886] [2022-11-18 19:55:55,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226476886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:55,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:55,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:55,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435115842] [2022-11-18 19:55:55,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:55,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:55,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:55,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:55,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:55,223 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2022-11-18 19:55:55,224 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 175 transitions, 358 flow. Second operand has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2022-11-18 19:55:55,224 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:55,224 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2022-11-18 19:55:55,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:55,319 INFO L130 PetriNetUnfolder]: 22/303 cut-off events. [2022-11-18 19:55:55,320 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:55,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 303 events. 22/303 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1167 event pairs, 13 based on Foata normal form. 0/257 useless extension candidates. Maximal degree in co-relation 360. Up to 44 conditions per place. [2022-11-18 19:55:55,325 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 18 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2022-11-18 19:55:55,325 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 175 transitions, 398 flow [2022-11-18 19:55:55,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 501 transitions. [2022-11-18 19:55:55,327 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8652849740932642 [2022-11-18 19:55:55,327 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 501 transitions. [2022-11-18 19:55:55,327 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 501 transitions. [2022-11-18 19:55:55,329 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:55,329 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 501 transitions. [2022-11-18 19:55:55,334 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2022-11-18 19:55:55,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,336 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,336 INFO L175 Difference]: Start difference. First operand has 179 places, 175 transitions, 358 flow. Second operand 3 states and 501 transitions. [2022-11-18 19:55:55,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 175 transitions, 398 flow [2022-11-18 19:55:55,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 175 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:55,341 INFO L231 Difference]: Finished difference. Result has 178 places, 174 transitions, 356 flow [2022-11-18 19:55:55,341 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=352, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=174, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=356, PETRI_PLACES=178, PETRI_TRANSITIONS=174} [2022-11-18 19:55:55,343 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -12 predicate places. [2022-11-18 19:55:55,347 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 174 transitions, 356 flow [2022-11-18 19:55:55,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 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) [2022-11-18 19:55:55,348 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:55,348 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:55,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 19:55:55,349 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:55,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash -788885921, now seen corresponding path program 1 times [2022-11-18 19:55:55,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:55,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265763791] [2022-11-18 19:55:55,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:55,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:55,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265763791] [2022-11-18 19:55:55,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265763791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:55,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:55,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:55,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209295437] [2022-11-18 19:55:55,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:55,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:55,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:55,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:55,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:55,457 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 193 [2022-11-18 19:55:55,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 174 transitions, 356 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2022-11-18 19:55:55,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:55,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 193 [2022-11-18 19:55:55,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:55,551 INFO L130 PetriNetUnfolder]: 18/295 cut-off events. [2022-11-18 19:55:55,551 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-18 19:55:55,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 295 events. 18/295 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1109 event pairs, 6 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 342. Up to 23 conditions per place. [2022-11-18 19:55:55,555 INFO L137 encePairwiseOnDemand]: 189/193 looper letters, 14 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2022-11-18 19:55:55,555 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 173 transitions, 386 flow [2022-11-18 19:55:55,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:55,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-11-18 19:55:55,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8704663212435233 [2022-11-18 19:55:55,557 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 504 transitions. [2022-11-18 19:55:55,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 504 transitions. [2022-11-18 19:55:55,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:55,557 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 504 transitions. [2022-11-18 19:55:55,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2022-11-18 19:55:55,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,561 INFO L175 Difference]: Start difference. First operand has 178 places, 174 transitions, 356 flow. Second operand 3 states and 504 transitions. [2022-11-18 19:55:55,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 173 transitions, 386 flow [2022-11-18 19:55:55,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 173 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:55,564 INFO L231 Difference]: Finished difference. Result has 176 places, 172 transitions, 352 flow [2022-11-18 19:55:55,565 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=174, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=172, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=176, PETRI_TRANSITIONS=172} [2022-11-18 19:55:55,568 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -14 predicate places. [2022-11-18 19:55:55,568 INFO L495 AbstractCegarLoop]: Abstraction has has 176 places, 172 transitions, 352 flow [2022-11-18 19:55:55,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2022-11-18 19:55:55,569 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:55,569 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:55,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-18 19:55:55,570 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:55,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:55,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1643073106, now seen corresponding path program 1 times [2022-11-18 19:55:55,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:55,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236165825] [2022-11-18 19:55:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:55,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:55,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:55,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236165825] [2022-11-18 19:55:55,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236165825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:55,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:55,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:55,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412572883] [2022-11-18 19:55:55,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:55,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:55,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:55,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:55,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:55,657 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 193 [2022-11-18 19:55:55,658 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 172 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2022-11-18 19:55:55,658 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:55,659 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 193 [2022-11-18 19:55:55,659 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:55,792 INFO L130 PetriNetUnfolder]: 69/506 cut-off events. [2022-11-18 19:55:55,792 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:55,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 642 conditions, 506 events. 69/506 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2797 event pairs, 50 based on Foata normal form. 0/429 useless extension candidates. Maximal degree in co-relation 638. Up to 107 conditions per place. [2022-11-18 19:55:55,797 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 20 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2022-11-18 19:55:55,798 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 177 places, 173 transitions, 398 flow [2022-11-18 19:55:55,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:55,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 500 transitions. [2022-11-18 19:55:55,800 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8635578583765112 [2022-11-18 19:55:55,800 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 500 transitions. [2022-11-18 19:55:55,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 500 transitions. [2022-11-18 19:55:55,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:55,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 500 transitions. [2022-11-18 19:55:55,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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) [2022-11-18 19:55:55,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,804 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,805 INFO L175 Difference]: Start difference. First operand has 176 places, 172 transitions, 352 flow. Second operand 3 states and 500 transitions. [2022-11-18 19:55:55,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 177 places, 173 transitions, 398 flow [2022-11-18 19:55:55,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 175 places, 173 transitions, 394 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:55,809 INFO L231 Difference]: Finished difference. Result has 175 places, 171 transitions, 350 flow [2022-11-18 19:55:55,809 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=350, PETRI_PLACES=175, PETRI_TRANSITIONS=171} [2022-11-18 19:55:55,813 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -15 predicate places. [2022-11-18 19:55:55,813 INFO L495 AbstractCegarLoop]: Abstraction has has 175 places, 171 transitions, 350 flow [2022-11-18 19:55:55,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.66666666666666) internal successors, (485), 3 states have internal predecessors, (485), 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) [2022-11-18 19:55:55,814 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:55,814 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:55,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-18 19:55:55,815 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:55,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:55,815 INFO L85 PathProgramCache]: Analyzing trace with hash 866203801, now seen corresponding path program 1 times [2022-11-18 19:55:55,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:55,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392658592] [2022-11-18 19:55:55,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:55,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:55,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:55,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392658592] [2022-11-18 19:55:55,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392658592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:55,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:55,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:55,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121859287] [2022-11-18 19:55:55,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:55,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:55,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:55,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:55,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:55,896 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2022-11-18 19:55:55,896 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 175 places, 171 transitions, 350 flow. Second operand has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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) [2022-11-18 19:55:55,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:55,897 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2022-11-18 19:55:55,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:55,973 INFO L130 PetriNetUnfolder]: 26/228 cut-off events. [2022-11-18 19:55:55,973 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:55,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 228 events. 26/228 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 805 event pairs, 16 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 312. Up to 49 conditions per place. [2022-11-18 19:55:55,977 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 16 selfloop transitions, 2 changer transitions 0/172 dead transitions. [2022-11-18 19:55:55,977 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 172 transitions, 390 flow [2022-11-18 19:55:55,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:55,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:55,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2022-11-18 19:55:55,979 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8618307426597582 [2022-11-18 19:55:55,979 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 499 transitions. [2022-11-18 19:55:55,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 499 transitions. [2022-11-18 19:55:55,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:55,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 499 transitions. [2022-11-18 19:55:55,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2022-11-18 19:55:55,994 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,994 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:55,994 INFO L175 Difference]: Start difference. First operand has 175 places, 171 transitions, 350 flow. Second operand 3 states and 499 transitions. [2022-11-18 19:55:55,995 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 172 transitions, 390 flow [2022-11-18 19:55:55,996 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 174 places, 172 transitions, 386 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:55,999 INFO L231 Difference]: Finished difference. Result has 174 places, 170 transitions, 348 flow [2022-11-18 19:55:56,000 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=172, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=348, PETRI_PLACES=174, PETRI_TRANSITIONS=170} [2022-11-18 19:55:56,000 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -16 predicate places. [2022-11-18 19:55:56,001 INFO L495 AbstractCegarLoop]: Abstraction has has 174 places, 170 transitions, 348 flow [2022-11-18 19:55:56,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 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) [2022-11-18 19:55:56,001 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:56,002 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:56,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-18 19:55:56,002 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:56,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:56,003 INFO L85 PathProgramCache]: Analyzing trace with hash 951695720, now seen corresponding path program 1 times [2022-11-18 19:55:56,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:56,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545276409] [2022-11-18 19:55:56,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:56,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:56,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:56,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:56,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545276409] [2022-11-18 19:55:56,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545276409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:56,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:56,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:56,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895769627] [2022-11-18 19:55:56,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:56,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:56,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:56,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:56,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:56,067 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 193 [2022-11-18 19:55:56,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 170 transitions, 348 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2022-11-18 19:55:56,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:56,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 193 [2022-11-18 19:55:56,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:56,189 INFO L130 PetriNetUnfolder]: 49/471 cut-off events. [2022-11-18 19:55:56,190 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:56,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 565 conditions, 471 events. 49/471 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 2392 event pairs, 22 based on Foata normal form. 0/405 useless extension candidates. Maximal degree in co-relation 561. Up to 51 conditions per place. [2022-11-18 19:55:56,196 INFO L137 encePairwiseOnDemand]: 189/193 looper letters, 15 selfloop transitions, 2 changer transitions 0/170 dead transitions. [2022-11-18 19:55:56,196 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 170 transitions, 382 flow [2022-11-18 19:55:56,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:56,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 505 transitions. [2022-11-18 19:55:56,198 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8721934369602763 [2022-11-18 19:55:56,199 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 505 transitions. [2022-11-18 19:55:56,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 505 transitions. [2022-11-18 19:55:56,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:56,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 505 transitions. [2022-11-18 19:55:56,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.33333333333334) internal successors, (505), 3 states have internal predecessors, (505), 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) [2022-11-18 19:55:56,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,203 INFO L175 Difference]: Start difference. First operand has 174 places, 170 transitions, 348 flow. Second operand 3 states and 505 transitions. [2022-11-18 19:55:56,203 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 170 transitions, 382 flow [2022-11-18 19:55:56,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 170 transitions, 378 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:56,207 INFO L231 Difference]: Finished difference. Result has 172 places, 168 transitions, 344 flow [2022-11-18 19:55:56,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=172, PETRI_TRANSITIONS=168} [2022-11-18 19:55:56,210 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -18 predicate places. [2022-11-18 19:55:56,210 INFO L495 AbstractCegarLoop]: Abstraction has has 172 places, 168 transitions, 344 flow [2022-11-18 19:55:56,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2022-11-18 19:55:56,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:56,211 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:56,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-18 19:55:56,212 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:56,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:56,212 INFO L85 PathProgramCache]: Analyzing trace with hash 888426671, now seen corresponding path program 1 times [2022-11-18 19:55:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:56,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577192828] [2022-11-18 19:55:56,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:56,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:56,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:56,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:56,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577192828] [2022-11-18 19:55:56,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577192828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:56,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:56,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:56,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294925016] [2022-11-18 19:55:56,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:56,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:56,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:56,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:56,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:56,260 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 193 [2022-11-18 19:55:56,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 168 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2022-11-18 19:55:56,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:56,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 193 [2022-11-18 19:55:56,262 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:56,358 INFO L130 PetriNetUnfolder]: 49/491 cut-off events. [2022-11-18 19:55:56,358 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:56,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 585 conditions, 491 events. 49/491 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2325 event pairs, 14 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 581. Up to 41 conditions per place. [2022-11-18 19:55:56,363 INFO L137 encePairwiseOnDemand]: 188/193 looper letters, 12 selfloop transitions, 3 changer transitions 0/168 dead transitions. [2022-11-18 19:55:56,363 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 172 places, 168 transitions, 374 flow [2022-11-18 19:55:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:56,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:56,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2022-11-18 19:55:56,365 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842832469775475 [2022-11-18 19:55:56,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,366 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:56,366 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,368 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2022-11-18 19:55:56,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,370 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,370 INFO L175 Difference]: Start difference. First operand has 172 places, 168 transitions, 344 flow. Second operand 3 states and 512 transitions. [2022-11-18 19:55:56,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 172 places, 168 transitions, 374 flow [2022-11-18 19:55:56,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 170 places, 168 transitions, 370 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:56,399 INFO L231 Difference]: Finished difference. Result has 170 places, 166 transitions, 342 flow [2022-11-18 19:55:56,400 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=170, PETRI_TRANSITIONS=166} [2022-11-18 19:55:56,401 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -20 predicate places. [2022-11-18 19:55:56,401 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 166 transitions, 342 flow [2022-11-18 19:55:56,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2022-11-18 19:55:56,402 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:56,402 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:56,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-18 19:55:56,402 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:56,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:56,403 INFO L85 PathProgramCache]: Analyzing trace with hash -920445698, now seen corresponding path program 1 times [2022-11-18 19:55:56,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:56,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291066933] [2022-11-18 19:55:56,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:56,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:56,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:56,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291066933] [2022-11-18 19:55:56,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291066933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:56,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:56,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:56,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112340987] [2022-11-18 19:55:56,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:56,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:56,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:56,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:56,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:56,489 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 193 [2022-11-18 19:55:56,490 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 166 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2022-11-18 19:55:56,490 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:56,490 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 193 [2022-11-18 19:55:56,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:56,591 INFO L130 PetriNetUnfolder]: 47/481 cut-off events. [2022-11-18 19:55:56,591 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:56,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 577 conditions, 481 events. 47/481 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1911 event pairs, 14 based on Foata normal form. 0/425 useless extension candidates. Maximal degree in co-relation 573. Up to 41 conditions per place. [2022-11-18 19:55:56,596 INFO L137 encePairwiseOnDemand]: 189/193 looper letters, 13 selfloop transitions, 2 changer transitions 0/166 dead transitions. [2022-11-18 19:55:56,596 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 166 transitions, 372 flow [2022-11-18 19:55:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2022-11-18 19:55:56,598 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842832469775475 [2022-11-18 19:55:56,598 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,598 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:56,599 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,600 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2022-11-18 19:55:56,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,602 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,602 INFO L175 Difference]: Start difference. First operand has 170 places, 166 transitions, 342 flow. Second operand 3 states and 512 transitions. [2022-11-18 19:55:56,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 166 transitions, 372 flow [2022-11-18 19:55:56,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 166 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:56,605 INFO L231 Difference]: Finished difference. Result has 168 places, 164 transitions, 336 flow [2022-11-18 19:55:56,606 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=336, PETRI_PLACES=168, PETRI_TRANSITIONS=164} [2022-11-18 19:55:56,606 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -22 predicate places. [2022-11-18 19:55:56,606 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 164 transitions, 336 flow [2022-11-18 19:55:56,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 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) [2022-11-18 19:55:56,607 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:56,607 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:56,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-18 19:55:56,608 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:56,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:56,608 INFO L85 PathProgramCache]: Analyzing trace with hash -300110450, now seen corresponding path program 1 times [2022-11-18 19:55:56,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:56,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523237282] [2022-11-18 19:55:56,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:56,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:56,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:56,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:56,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523237282] [2022-11-18 19:55:56,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523237282] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:56,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:56,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:56,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548845948] [2022-11-18 19:55:56,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:56,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:56,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:56,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:56,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:56,649 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 193 [2022-11-18 19:55:56,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 164 transitions, 336 flow. Second operand has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2022-11-18 19:55:56,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:56,650 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 193 [2022-11-18 19:55:56,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:56,714 INFO L130 PetriNetUnfolder]: 18/278 cut-off events. [2022-11-18 19:55:56,714 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:56,716 INFO L83 FinitePrefix]: Finished finitePrefix Result has 331 conditions, 278 events. 18/278 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 967 event pairs, 9 based on Foata normal form. 0/254 useless extension candidates. Maximal degree in co-relation 327. Up to 34 conditions per place. [2022-11-18 19:55:56,717 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 15 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-11-18 19:55:56,717 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 164 transitions, 370 flow [2022-11-18 19:55:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:56,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2022-11-18 19:55:56,719 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8601036269430051 [2022-11-18 19:55:56,719 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 498 transitions. [2022-11-18 19:55:56,719 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 498 transitions. [2022-11-18 19:55:56,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:56,720 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 498 transitions. [2022-11-18 19:55:56,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2022-11-18 19:55:56,722 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,723 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,723 INFO L175 Difference]: Start difference. First operand has 168 places, 164 transitions, 336 flow. Second operand 3 states and 498 transitions. [2022-11-18 19:55:56,723 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 164 transitions, 370 flow [2022-11-18 19:55:56,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:56,727 INFO L231 Difference]: Finished difference. Result has 167 places, 163 transitions, 334 flow [2022-11-18 19:55:56,727 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=334, PETRI_PLACES=167, PETRI_TRANSITIONS=163} [2022-11-18 19:55:56,728 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -23 predicate places. [2022-11-18 19:55:56,728 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 163 transitions, 334 flow [2022-11-18 19:55:56,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 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) [2022-11-18 19:55:56,728 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:56,728 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:56,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-18 19:55:56,729 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:56,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:56,729 INFO L85 PathProgramCache]: Analyzing trace with hash 420262307, now seen corresponding path program 1 times [2022-11-18 19:55:56,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:56,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42234112] [2022-11-18 19:55:56,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:56,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:56,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:56,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:56,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42234112] [2022-11-18 19:55:56,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42234112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:56,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:56,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:56,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680826775] [2022-11-18 19:55:56,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:56,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:56,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:56,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:56,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:56,774 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 193 [2022-11-18 19:55:56,775 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 163 transitions, 334 flow. Second operand has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2022-11-18 19:55:56,775 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:56,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 193 [2022-11-18 19:55:56,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:56,885 INFO L130 PetriNetUnfolder]: 45/451 cut-off events. [2022-11-18 19:55:56,885 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:56,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539 conditions, 451 events. 45/451 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2277 event pairs, 26 based on Foata normal form. 0/409 useless extension candidates. Maximal degree in co-relation 535. Up to 59 conditions per place. [2022-11-18 19:55:56,889 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 14 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-11-18 19:55:56,889 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 368 flow [2022-11-18 19:55:56,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:56,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 512 transitions. [2022-11-18 19:55:56,891 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842832469775475 [2022-11-18 19:55:56,891 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:56,892 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 512 transitions. [2022-11-18 19:55:56,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2022-11-18 19:55:56,895 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,895 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:56,895 INFO L175 Difference]: Start difference. First operand has 167 places, 163 transitions, 334 flow. Second operand 3 states and 512 transitions. [2022-11-18 19:55:56,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 368 flow [2022-11-18 19:55:56,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:56,901 INFO L231 Difference]: Finished difference. Result has 166 places, 162 transitions, 332 flow [2022-11-18 19:55:56,902 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=332, PETRI_PLACES=166, PETRI_TRANSITIONS=162} [2022-11-18 19:55:56,902 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -24 predicate places. [2022-11-18 19:55:56,903 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 162 transitions, 332 flow [2022-11-18 19:55:56,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.66666666666666) internal successors, (503), 3 states have internal predecessors, (503), 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) [2022-11-18 19:55:56,903 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:56,903 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:56,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-18 19:55:56,904 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:56,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:56,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1282189299, now seen corresponding path program 1 times [2022-11-18 19:55:56,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:56,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942470970] [2022-11-18 19:55:56,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:56,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:56,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:56,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:56,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942470970] [2022-11-18 19:55:56,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942470970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:56,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:56,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:55:56,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140563400] [2022-11-18 19:55:56,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:56,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:56,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:56,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:56,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:56,965 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 193 [2022-11-18 19:55:56,966 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 162 transitions, 332 flow. Second operand has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2022-11-18 19:55:56,966 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:56,966 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 193 [2022-11-18 19:55:56,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:57,066 INFO L130 PetriNetUnfolder]: 41/577 cut-off events. [2022-11-18 19:55:57,066 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:57,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 674 conditions, 577 events. 41/577 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2594 event pairs, 14 based on Foata normal form. 0/523 useless extension candidates. Maximal degree in co-relation 670. Up to 37 conditions per place. [2022-11-18 19:55:57,071 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 15 selfloop transitions, 2 changer transitions 0/167 dead transitions. [2022-11-18 19:55:57,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 167 transitions, 376 flow [2022-11-18 19:55:57,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:57,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:57,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions. [2022-11-18 19:55:57,073 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9015544041450777 [2022-11-18 19:55:57,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 522 transitions. [2022-11-18 19:55:57,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 522 transitions. [2022-11-18 19:55:57,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:57,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 522 transitions. [2022-11-18 19:55:57,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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) [2022-11-18 19:55:57,076 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,077 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,077 INFO L175 Difference]: Start difference. First operand has 166 places, 162 transitions, 332 flow. Second operand 3 states and 522 transitions. [2022-11-18 19:55:57,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 167 transitions, 376 flow [2022-11-18 19:55:57,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 167 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:57,080 INFO L231 Difference]: Finished difference. Result has 167 places, 163 transitions, 340 flow [2022-11-18 19:55:57,081 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=167, PETRI_TRANSITIONS=163} [2022-11-18 19:55:57,081 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -23 predicate places. [2022-11-18 19:55:57,081 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 163 transitions, 340 flow [2022-11-18 19:55:57,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.33333333333334) internal successors, (511), 3 states have internal predecessors, (511), 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) [2022-11-18 19:55:57,082 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:57,082 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:57,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-18 19:55:57,083 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:57,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:57,083 INFO L85 PathProgramCache]: Analyzing trace with hash -16362515, now seen corresponding path program 1 times [2022-11-18 19:55:57,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:57,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102254247] [2022-11-18 19:55:57,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:57,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:57,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:57,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102254247] [2022-11-18 19:55:57,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102254247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:57,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:57,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:57,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990543068] [2022-11-18 19:55:57,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:57,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:57,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:57,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:57,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:57,123 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 193 [2022-11-18 19:55:57,124 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 163 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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) [2022-11-18 19:55:57,124 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:57,124 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 193 [2022-11-18 19:55:57,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:57,248 INFO L130 PetriNetUnfolder]: 73/603 cut-off events. [2022-11-18 19:55:57,249 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-18 19:55:57,251 INFO L83 FinitePrefix]: Finished finitePrefix Result has 761 conditions, 603 events. 73/603 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2984 event pairs, 46 based on Foata normal form. 0/561 useless extension candidates. Maximal degree in co-relation 756. Up to 99 conditions per place. [2022-11-18 19:55:57,254 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 15 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-11-18 19:55:57,254 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 376 flow [2022-11-18 19:55:57,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-11-18 19:55:57,256 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8704663212435233 [2022-11-18 19:55:57,256 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 504 transitions. [2022-11-18 19:55:57,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 504 transitions. [2022-11-18 19:55:57,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:57,257 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 504 transitions. [2022-11-18 19:55:57,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2022-11-18 19:55:57,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,260 INFO L175 Difference]: Start difference. First operand has 167 places, 163 transitions, 340 flow. Second operand 3 states and 504 transitions. [2022-11-18 19:55:57,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 376 flow [2022-11-18 19:55:57,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 374 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:55:57,263 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 340 flow [2022-11-18 19:55:57,264 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=340, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2022-11-18 19:55:57,264 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -23 predicate places. [2022-11-18 19:55:57,265 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 340 flow [2022-11-18 19:55:57,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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) [2022-11-18 19:55:57,266 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:57,266 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:57,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-18 19:55:57,267 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:57,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:57,267 INFO L85 PathProgramCache]: Analyzing trace with hash -2123929210, now seen corresponding path program 1 times [2022-11-18 19:55:57,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:57,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046255320] [2022-11-18 19:55:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:57,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:57,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046255320] [2022-11-18 19:55:57,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046255320] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:57,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:57,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:57,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094994210] [2022-11-18 19:55:57,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:57,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:57,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:57,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:57,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:57,318 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 193 [2022-11-18 19:55:57,319 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2022-11-18 19:55:57,319 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:57,319 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 193 [2022-11-18 19:55:57,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:57,429 INFO L130 PetriNetUnfolder]: 61/583 cut-off events. [2022-11-18 19:55:57,429 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:57,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 713 conditions, 583 events. 61/583 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2566 event pairs, 18 based on Foata normal form. 0/543 useless extension candidates. Maximal degree in co-relation 708. Up to 51 conditions per place. [2022-11-18 19:55:57,434 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 11 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2022-11-18 19:55:57,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 370 flow [2022-11-18 19:55:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:57,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 518 transitions. [2022-11-18 19:55:57,437 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8946459412780656 [2022-11-18 19:55:57,437 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 518 transitions. [2022-11-18 19:55:57,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 518 transitions. [2022-11-18 19:55:57,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:57,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 518 transitions. [2022-11-18 19:55:57,439 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2022-11-18 19:55:57,440 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,441 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,441 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 340 flow. Second operand 3 states and 518 transitions. [2022-11-18 19:55:57,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 370 flow [2022-11-18 19:55:57,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 366 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:57,445 INFO L231 Difference]: Finished difference. Result has 167 places, 162 transitions, 344 flow [2022-11-18 19:55:57,445 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=334, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=167, PETRI_TRANSITIONS=162} [2022-11-18 19:55:57,446 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -23 predicate places. [2022-11-18 19:55:57,446 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 162 transitions, 344 flow [2022-11-18 19:55:57,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2022-11-18 19:55:57,447 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:57,447 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:57,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-18 19:55:57,447 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:57,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:57,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1166233106, now seen corresponding path program 1 times [2022-11-18 19:55:57,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:57,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291083212] [2022-11-18 19:55:57,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:57,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:57,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:57,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291083212] [2022-11-18 19:55:57,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291083212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:57,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:57,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:57,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6412105] [2022-11-18 19:55:57,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:57,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:57,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:57,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:57,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:57,490 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 193 [2022-11-18 19:55:57,491 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 162 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2022-11-18 19:55:57,491 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:57,491 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 193 [2022-11-18 19:55:57,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:57,628 INFO L130 PetriNetUnfolder]: 81/595 cut-off events. [2022-11-18 19:55:57,628 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-18 19:55:57,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 786 conditions, 595 events. 81/595 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 3008 event pairs, 54 based on Foata normal form. 0/569 useless extension candidates. Maximal degree in co-relation 780. Up to 115 conditions per place. [2022-11-18 19:55:57,634 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 15 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2022-11-18 19:55:57,634 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 380 flow [2022-11-18 19:55:57,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:57,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:57,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-11-18 19:55:57,636 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8704663212435233 [2022-11-18 19:55:57,636 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 504 transitions. [2022-11-18 19:55:57,637 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 504 transitions. [2022-11-18 19:55:57,637 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:57,637 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 504 transitions. [2022-11-18 19:55:57,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 168.0) internal successors, (504), 3 states have internal predecessors, (504), 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) [2022-11-18 19:55:57,640 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,640 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,640 INFO L175 Difference]: Start difference. First operand has 167 places, 162 transitions, 344 flow. Second operand 3 states and 504 transitions. [2022-11-18 19:55:57,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 380 flow [2022-11-18 19:55:57,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 163 transitions, 378 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-18 19:55:57,644 INFO L231 Difference]: Finished difference. Result has 167 places, 161 transitions, 344 flow [2022-11-18 19:55:57,645 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=340, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=344, PETRI_PLACES=167, PETRI_TRANSITIONS=161} [2022-11-18 19:55:57,645 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -23 predicate places. [2022-11-18 19:55:57,645 INFO L495 AbstractCegarLoop]: Abstraction has has 167 places, 161 transitions, 344 flow [2022-11-18 19:55:57,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.0) internal successors, (498), 3 states have internal predecessors, (498), 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) [2022-11-18 19:55:57,646 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:57,646 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:57,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-18 19:55:57,647 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:57,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:57,647 INFO L85 PathProgramCache]: Analyzing trace with hash -555654353, now seen corresponding path program 1 times [2022-11-18 19:55:57,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:57,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476719193] [2022-11-18 19:55:57,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:57,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:57,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:57,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476719193] [2022-11-18 19:55:57,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476719193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:57,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:55:57,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:55:57,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109152989] [2022-11-18 19:55:57,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:57,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:57,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:57,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:57,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:55:57,692 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 193 [2022-11-18 19:55:57,693 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 161 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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) [2022-11-18 19:55:57,693 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:57,693 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 193 [2022-11-18 19:55:57,693 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:57,799 INFO L130 PetriNetUnfolder]: 73/583 cut-off events. [2022-11-18 19:55:57,799 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:57,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 583 events. 73/583 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2759 event pairs, 54 based on Foata normal form. 0/557 useless extension candidates. Maximal degree in co-relation 764. Up to 115 conditions per place. [2022-11-18 19:55:57,804 INFO L137 encePairwiseOnDemand]: 190/193 looper letters, 17 selfloop transitions, 2 changer transitions 0/162 dead transitions. [2022-11-18 19:55:57,805 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 162 transitions, 384 flow [2022-11-18 19:55:57,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:57,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 497 transitions. [2022-11-18 19:55:57,807 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8583765112262521 [2022-11-18 19:55:57,807 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 497 transitions. [2022-11-18 19:55:57,807 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 497 transitions. [2022-11-18 19:55:57,807 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:57,808 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 497 transitions. [2022-11-18 19:55:57,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.66666666666666) internal successors, (497), 3 states have internal predecessors, (497), 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) [2022-11-18 19:55:57,810 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,811 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:57,811 INFO L175 Difference]: Start difference. First operand has 167 places, 161 transitions, 344 flow. Second operand 3 states and 497 transitions. [2022-11-18 19:55:57,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 162 transitions, 384 flow [2022-11-18 19:55:57,813 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 162 transitions, 380 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:57,815 INFO L231 Difference]: Finished difference. Result has 166 places, 160 transitions, 342 flow [2022-11-18 19:55:57,815 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=342, PETRI_PLACES=166, PETRI_TRANSITIONS=160} [2022-11-18 19:55:57,816 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -24 predicate places. [2022-11-18 19:55:57,816 INFO L495 AbstractCegarLoop]: Abstraction has has 166 places, 160 transitions, 342 flow [2022-11-18 19:55:57,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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) [2022-11-18 19:55:57,817 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:57,817 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:57,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-18 19:55:57,817 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:57,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:57,818 INFO L85 PathProgramCache]: Analyzing trace with hash -680064600, now seen corresponding path program 1 times [2022-11-18 19:55:57,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:57,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047906036] [2022-11-18 19:55:57,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:57,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:57,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:57,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:57,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047906036] [2022-11-18 19:55:57,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047906036] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:55:57,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166505061] [2022-11-18 19:55:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:57,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:55:57,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:55:57,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-18 19:55:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:58,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:55:58,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:55:58,132 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:55:58,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:55:58,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166505061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:58,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:55:58,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-18 19:55:58,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372629048] [2022-11-18 19:55:58,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:58,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:58,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:58,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:55:58,135 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 193 [2022-11-18 19:55:58,136 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 160 transitions, 342 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2022-11-18 19:55:58,136 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:58,136 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 193 [2022-11-18 19:55:58,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:58,224 INFO L130 PetriNetUnfolder]: 36/496 cut-off events. [2022-11-18 19:55:58,224 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-18 19:55:58,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 496 events. 36/496 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1868 event pairs, 1 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 574. Up to 31 conditions per place. [2022-11-18 19:55:58,229 INFO L137 encePairwiseOnDemand]: 188/193 looper letters, 9 selfloop transitions, 4 changer transitions 0/164 dead transitions. [2022-11-18 19:55:58,229 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 376 flow [2022-11-18 19:55:58,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:58,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 527 transitions. [2022-11-18 19:55:58,231 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9101899827288429 [2022-11-18 19:55:58,231 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 527 transitions. [2022-11-18 19:55:58,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 527 transitions. [2022-11-18 19:55:58,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:58,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 527 transitions. [2022-11-18 19:55:58,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.66666666666666) internal successors, (527), 3 states have internal predecessors, (527), 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) [2022-11-18 19:55:58,234 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:58,235 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:58,235 INFO L175 Difference]: Start difference. First operand has 166 places, 160 transitions, 342 flow. Second operand 3 states and 527 transitions. [2022-11-18 19:55:58,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 376 flow [2022-11-18 19:55:58,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 164 transitions, 372 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:58,240 INFO L231 Difference]: Finished difference. Result has 168 places, 164 transitions, 372 flow [2022-11-18 19:55:58,240 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=168, PETRI_TRANSITIONS=164} [2022-11-18 19:55:58,241 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -22 predicate places. [2022-11-18 19:55:58,241 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 164 transitions, 372 flow [2022-11-18 19:55:58,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2022-11-18 19:55:58,242 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:58,242 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:58,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-18 19:55:58,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-18 19:55:58,447 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:58,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:58,448 INFO L85 PathProgramCache]: Analyzing trace with hash -861363770, now seen corresponding path program 1 times [2022-11-18 19:55:58,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:58,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978634128] [2022-11-18 19:55:58,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:58,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:58,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:58,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978634128] [2022-11-18 19:55:58,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978634128] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:55:58,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519505551] [2022-11-18 19:55:58,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:58,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:58,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:55:58,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:55:58,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-18 19:55:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:58,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-18 19:55:58,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:55:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 19:55:58,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 19:55:58,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519505551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:55:58,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-18 19:55:58,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-18 19:55:58,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803468464] [2022-11-18 19:55:58,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:55:58,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 19:55:58,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:58,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:55:58,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 19:55:58,755 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 171 out of 193 [2022-11-18 19:55:58,756 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 164 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2022-11-18 19:55:58,756 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:58,756 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 171 of 193 [2022-11-18 19:55:58,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:58,891 INFO L130 PetriNetUnfolder]: 78/616 cut-off events. [2022-11-18 19:55:58,892 INFO L131 PetriNetUnfolder]: For 138/151 co-relation queries the response was YES. [2022-11-18 19:55:58,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 887 conditions, 616 events. 78/616 cut-off events. For 138/151 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 2825 event pairs, 0 based on Foata normal form. 8/579 useless extension candidates. Maximal degree in co-relation 880. Up to 59 conditions per place. [2022-11-18 19:55:58,898 INFO L137 encePairwiseOnDemand]: 188/193 looper letters, 12 selfloop transitions, 6 changer transitions 0/171 dead transitions. [2022-11-18 19:55:58,898 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 170 places, 171 transitions, 436 flow [2022-11-18 19:55:58,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:55:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-18 19:55:58,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 528 transitions. [2022-11-18 19:55:58,900 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9119170984455959 [2022-11-18 19:55:58,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 528 transitions. [2022-11-18 19:55:58,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 528 transitions. [2022-11-18 19:55:58,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:55:58,901 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 528 transitions. [2022-11-18 19:55:58,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 176.0) internal successors, (528), 3 states have internal predecessors, (528), 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) [2022-11-18 19:55:58,904 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:58,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 193.0) internal successors, (772), 4 states have internal predecessors, (772), 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) [2022-11-18 19:55:58,905 INFO L175 Difference]: Start difference. First operand has 168 places, 164 transitions, 372 flow. Second operand 3 states and 528 transitions. [2022-11-18 19:55:58,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 170 places, 171 transitions, 436 flow [2022-11-18 19:55:58,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 168 places, 171 transitions, 424 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:55:58,910 INFO L231 Difference]: Finished difference. Result has 170 places, 170 transitions, 422 flow [2022-11-18 19:55:58,911 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=166, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=422, PETRI_PLACES=170, PETRI_TRANSITIONS=170} [2022-11-18 19:55:58,911 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -20 predicate places. [2022-11-18 19:55:58,912 INFO L495 AbstractCegarLoop]: Abstraction has has 170 places, 170 transitions, 422 flow [2022-11-18 19:55:58,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.0) internal successors, (519), 3 states have internal predecessors, (519), 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) [2022-11-18 19:55:58,913 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:55:58,913 INFO L209 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:55:58,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:55:59,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:59,126 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:55:59,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:55:59,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1707239747, now seen corresponding path program 1 times [2022-11-18 19:55:59,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:55:59,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220738199] [2022-11-18 19:55:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:59,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:55:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:59,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:55:59,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220738199] [2022-11-18 19:55:59,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220738199] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:55:59,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978963245] [2022-11-18 19:55:59,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:55:59,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:55:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:55:59,267 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:55:59,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-18 19:55:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:55:59,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:55:59,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:55:59,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:59,528 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:55:59,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:55:59,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978963245] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:55:59,629 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:55:59,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-18 19:55:59,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253439317] [2022-11-18 19:55:59,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:55:59,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 19:55:59,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:55:59,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 19:55:59,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 19:55:59,635 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 193 [2022-11-18 19:55:59,637 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 170 places, 170 transitions, 422 flow. Second operand has 10 states, 10 states have (on average 168.3) internal successors, (1683), 10 states have internal predecessors, (1683), 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) [2022-11-18 19:55:59,637 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:55:59,637 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 193 [2022-11-18 19:55:59,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:55:59,995 INFO L130 PetriNetUnfolder]: 232/1316 cut-off events. [2022-11-18 19:55:59,995 INFO L131 PetriNetUnfolder]: For 997/1025 co-relation queries the response was YES. [2022-11-18 19:56:00,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2320 conditions, 1316 events. 232/1316 cut-off events. For 997/1025 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 6561 event pairs, 13 based on Foata normal form. 16/1275 useless extension candidates. Maximal degree in co-relation 2312. Up to 133 conditions per place. [2022-11-18 19:56:00,011 INFO L137 encePairwiseOnDemand]: 187/193 looper letters, 62 selfloop transitions, 9 changer transitions 0/220 dead transitions. [2022-11-18 19:56:00,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 178 places, 220 transitions, 876 flow [2022-11-18 19:56:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-18 19:56:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-11-18 19:56:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1533 transitions. [2022-11-18 19:56:00,015 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8825561312607945 [2022-11-18 19:56:00,015 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1533 transitions. [2022-11-18 19:56:00,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1533 transitions. [2022-11-18 19:56:00,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:56:00,016 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1533 transitions. [2022-11-18 19:56:00,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 170.33333333333334) internal successors, (1533), 9 states have internal predecessors, (1533), 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) [2022-11-18 19:56:00,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 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) [2022-11-18 19:56:00,032 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 193.0) internal successors, (1930), 10 states have internal predecessors, (1930), 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) [2022-11-18 19:56:00,032 INFO L175 Difference]: Start difference. First operand has 170 places, 170 transitions, 422 flow. Second operand 9 states and 1533 transitions. [2022-11-18 19:56:00,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 178 places, 220 transitions, 876 flow [2022-11-18 19:56:00,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 176 places, 220 transitions, 822 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-18 19:56:00,046 INFO L231 Difference]: Finished difference. Result has 179 places, 176 transitions, 460 flow [2022-11-18 19:56:00,046 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=460, PETRI_PLACES=179, PETRI_TRANSITIONS=176} [2022-11-18 19:56:00,046 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, -11 predicate places. [2022-11-18 19:56:00,047 INFO L495 AbstractCegarLoop]: Abstraction has has 179 places, 176 transitions, 460 flow [2022-11-18 19:56:00,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 168.3) internal successors, (1683), 10 states have internal predecessors, (1683), 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) [2022-11-18 19:56:00,048 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:56:00,048 INFO L209 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:00,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:00,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:00,254 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:56:00,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:00,255 INFO L85 PathProgramCache]: Analyzing trace with hash 2081302237, now seen corresponding path program 2 times [2022-11-18 19:56:00,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:00,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304847521] [2022-11-18 19:56:00,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:00,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:00,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:00,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304847521] [2022-11-18 19:56:00,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304847521] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:00,527 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933680185] [2022-11-18 19:56:00,527 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 19:56:00,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:00,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:00,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:00,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-18 19:56:00,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 19:56:00,679 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:56:00,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 19:56:00,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:00,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:01,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933680185] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:01,187 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:01,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-11-18 19:56:01,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353514054] [2022-11-18 19:56:01,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:01,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-18 19:56:01,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:01,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-18 19:56:01,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-11-18 19:56:01,194 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 193 [2022-11-18 19:56:01,197 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 176 transitions, 460 flow. Second operand has 18 states, 18 states have (on average 168.16666666666666) internal successors, (3027), 18 states have internal predecessors, (3027), 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) [2022-11-18 19:56:01,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:56:01,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 193 [2022-11-18 19:56:01,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:56:02,052 INFO L130 PetriNetUnfolder]: 392/2176 cut-off events. [2022-11-18 19:56:02,052 INFO L131 PetriNetUnfolder]: For 1508/1536 co-relation queries the response was YES. [2022-11-18 19:56:02,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3892 conditions, 2176 events. 392/2176 cut-off events. For 1508/1536 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 10535 event pairs, 13 based on Foata normal form. 26/2143 useless extension candidates. Maximal degree in co-relation 3882. Up to 213 conditions per place. [2022-11-18 19:56:02,076 INFO L137 encePairwiseOnDemand]: 187/193 looper letters, 138 selfloop transitions, 21 changer transitions 0/308 dead transitions. [2022-11-18 19:56:02,077 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 308 transitions, 1558 flow [2022-11-18 19:56:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-18 19:56:02,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-11-18 19:56:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 3567 transitions. [2022-11-18 19:56:02,085 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8800888230940045 [2022-11-18 19:56:02,085 INFO L72 ComplementDD]: Start complementDD. Operand 21 states and 3567 transitions. [2022-11-18 19:56:02,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 3567 transitions. [2022-11-18 19:56:02,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:56:02,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 21 states and 3567 transitions. [2022-11-18 19:56:02,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 21 states have (on average 169.85714285714286) internal successors, (3567), 21 states have internal predecessors, (3567), 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) [2022-11-18 19:56:02,103 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 22 states, 22 states have (on average 193.0) internal successors, (4246), 22 states have internal predecessors, (4246), 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) [2022-11-18 19:56:02,105 INFO L81 ComplementDD]: Finished complementDD. Result has 22 states, 22 states have (on average 193.0) internal successors, (4246), 22 states have internal predecessors, (4246), 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) [2022-11-18 19:56:02,105 INFO L175 Difference]: Start difference. First operand has 179 places, 176 transitions, 460 flow. Second operand 21 states and 3567 transitions. [2022-11-18 19:56:02,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 308 transitions, 1558 flow [2022-11-18 19:56:02,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 308 transitions, 1544 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-11-18 19:56:02,113 INFO L231 Difference]: Finished difference. Result has 203 places, 189 transitions, 584 flow [2022-11-18 19:56:02,113 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=584, PETRI_PLACES=203, PETRI_TRANSITIONS=189} [2022-11-18 19:56:02,114 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, 13 predicate places. [2022-11-18 19:56:02,114 INFO L495 AbstractCegarLoop]: Abstraction has has 203 places, 189 transitions, 584 flow [2022-11-18 19:56:02,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 168.16666666666666) internal successors, (3027), 18 states have internal predecessors, (3027), 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) [2022-11-18 19:56:02,115 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:56:02,116 INFO L209 CegarLoopForPetriNet]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:02,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:02,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-18 19:56:02,322 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:56:02,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:02,322 INFO L85 PathProgramCache]: Analyzing trace with hash -337608931, now seen corresponding path program 3 times [2022-11-18 19:56:02,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:02,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942589463] [2022-11-18 19:56:02,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:02,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:02,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:02,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:02,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942589463] [2022-11-18 19:56:02,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942589463] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:02,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958615498] [2022-11-18 19:56:02,993 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-18 19:56:02,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:02,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:02,994 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:03,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-18 19:56:03,180 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-18 19:56:03,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:56:03,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-18 19:56:03,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:03,595 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:04,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958615498] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:04,192 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:04,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-11-18 19:56:04,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533811040] [2022-11-18 19:56:04,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:04,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-18 19:56:04,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:04,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-18 19:56:04,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-11-18 19:56:04,204 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 193 [2022-11-18 19:56:04,209 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 189 transitions, 584 flow. Second operand has 34 states, 34 states have (on average 168.08823529411765) internal successors, (5715), 34 states have internal predecessors, (5715), 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) [2022-11-18 19:56:04,209 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:56:04,209 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 193 [2022-11-18 19:56:04,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:56:06,449 INFO L130 PetriNetUnfolder]: 712/3896 cut-off events. [2022-11-18 19:56:06,449 INFO L131 PetriNetUnfolder]: For 4546/4574 co-relation queries the response was YES. [2022-11-18 19:56:06,468 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7443 conditions, 3896 events. 712/3896 cut-off events. For 4546/4574 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 18467 event pairs, 13 based on Foata normal form. 46/3883 useless extension candidates. Maximal degree in co-relation 7428. Up to 373 conditions per place. [2022-11-18 19:56:06,494 INFO L137 encePairwiseOnDemand]: 187/193 looper letters, 290 selfloop transitions, 45 changer transitions 0/484 dead transitions. [2022-11-18 19:56:06,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 484 transitions, 3090 flow [2022-11-18 19:56:06,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-11-18 19:56:06,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-11-18 19:56:06,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 7635 transitions. [2022-11-18 19:56:06,509 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8791018998272885 [2022-11-18 19:56:06,509 INFO L72 ComplementDD]: Start complementDD. Operand 45 states and 7635 transitions. [2022-11-18 19:56:06,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 7635 transitions. [2022-11-18 19:56:06,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:56:06,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 45 states and 7635 transitions. [2022-11-18 19:56:06,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 46 states, 45 states have (on average 169.66666666666666) internal successors, (7635), 45 states have internal predecessors, (7635), 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) [2022-11-18 19:56:06,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 46 states, 46 states have (on average 193.0) internal successors, (8878), 46 states have internal predecessors, (8878), 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) [2022-11-18 19:56:06,547 INFO L81 ComplementDD]: Finished complementDD. Result has 46 states, 46 states have (on average 193.0) internal successors, (8878), 46 states have internal predecessors, (8878), 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) [2022-11-18 19:56:06,547 INFO L175 Difference]: Start difference. First operand has 203 places, 189 transitions, 584 flow. Second operand 45 states and 7635 transitions. [2022-11-18 19:56:06,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 484 transitions, 3090 flow [2022-11-18 19:56:06,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 484 transitions, 3050 flow, removed 14 selfloop flow, removed 6 redundant places. [2022-11-18 19:56:06,562 INFO L231 Difference]: Finished difference. Result has 250 places, 214 transitions, 862 flow [2022-11-18 19:56:06,562 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=560, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=45, PETRI_FLOW=862, PETRI_PLACES=250, PETRI_TRANSITIONS=214} [2022-11-18 19:56:06,563 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, 60 predicate places. [2022-11-18 19:56:06,563 INFO L495 AbstractCegarLoop]: Abstraction has has 250 places, 214 transitions, 862 flow [2022-11-18 19:56:06,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 168.08823529411765) internal successors, (5715), 34 states have internal predecessors, (5715), 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) [2022-11-18 19:56:06,565 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:56:06,566 INFO L209 CegarLoopForPetriNet]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:06,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:06,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:06,772 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:56:06,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1354895261, now seen corresponding path program 4 times [2022-11-18 19:56:06,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:06,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992198029] [2022-11-18 19:56:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:06,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:56:08,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:08,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:56:08,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992198029] [2022-11-18 19:56:08,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992198029] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 19:56:08,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628768863] [2022-11-18 19:56:08,956 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-18 19:56:08,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 19:56:08,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:56:08,958 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 19:56:08,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-18 19:56:09,209 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-18 19:56:09,210 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 19:56:09,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-18 19:56:09,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:56:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:10,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 19:56:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3720 backedges. 0 proven. 3720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:56:11,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628768863] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 19:56:11,649 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 19:56:11,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 55 [2022-11-18 19:56:11,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106878100] [2022-11-18 19:56:11,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 19:56:11,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-18 19:56:11,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:56:11,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-18 19:56:11,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970 [2022-11-18 19:56:11,663 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 166 out of 193 [2022-11-18 19:56:11,671 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 214 transitions, 862 flow. Second operand has 55 states, 55 states have (on average 168.0909090909091) internal successors, (9245), 55 states have internal predecessors, (9245), 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) [2022-11-18 19:56:11,671 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-18 19:56:11,671 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 166 of 193 [2022-11-18 19:56:11,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-18 19:56:16,454 INFO L130 PetriNetUnfolder]: 1152/6261 cut-off events. [2022-11-18 19:56:16,454 INFO L131 PetriNetUnfolder]: For 14195/14223 co-relation queries the response was YES. [2022-11-18 19:56:16,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12663 conditions, 6261 events. 1152/6261 cut-off events. For 14195/14223 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 29464 event pairs, 13 based on Foata normal form. 61/6263 useless extension candidates. Maximal degree in co-relation 12639. Up to 593 conditions per place. [2022-11-18 19:56:16,515 INFO L137 encePairwiseOnDemand]: 187/193 looper letters, 499 selfloop transitions, 78 changer transitions 0/726 dead transitions. [2022-11-18 19:56:16,515 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 327 places, 726 transitions, 5330 flow [2022-11-18 19:56:16,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-11-18 19:56:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2022-11-18 19:56:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 13226 transitions. [2022-11-18 19:56:16,533 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.878570479606749 [2022-11-18 19:56:16,533 INFO L72 ComplementDD]: Start complementDD. Operand 78 states and 13226 transitions. [2022-11-18 19:56:16,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 13226 transitions. [2022-11-18 19:56:16,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:56:16,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 78 states and 13226 transitions. [2022-11-18 19:56:16,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 79 states, 78 states have (on average 169.56410256410257) internal successors, (13226), 78 states have internal predecessors, (13226), 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) [2022-11-18 19:56:16,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 79 states, 79 states have (on average 193.0) internal successors, (15247), 79 states have internal predecessors, (15247), 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) [2022-11-18 19:56:16,582 INFO L81 ComplementDD]: Finished complementDD. Result has 79 states, 79 states have (on average 193.0) internal successors, (15247), 79 states have internal predecessors, (15247), 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) [2022-11-18 19:56:16,582 INFO L175 Difference]: Start difference. First operand has 250 places, 214 transitions, 862 flow. Second operand 78 states and 13226 transitions. [2022-11-18 19:56:16,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 327 places, 726 transitions, 5330 flow [2022-11-18 19:56:16,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 309 places, 726 transitions, 5252 flow, removed 21 selfloop flow, removed 18 redundant places. [2022-11-18 19:56:16,610 INFO L231 Difference]: Finished difference. Result has 321 places, 248 transitions, 1316 flow [2022-11-18 19:56:16,611 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=193, PETRI_DIFFERENCE_MINUEND_FLOW=806, PETRI_DIFFERENCE_MINUEND_PLACES=232, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=78, PETRI_FLOW=1316, PETRI_PLACES=321, PETRI_TRANSITIONS=248} [2022-11-18 19:56:16,611 INFO L288 CegarLoopForPetriNet]: 190 programPoint places, 131 predicate places. [2022-11-18 19:56:16,611 INFO L495 AbstractCegarLoop]: Abstraction has has 321 places, 248 transitions, 1316 flow [2022-11-18 19:56:16,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 168.0909090909091) internal successors, (9245), 55 states have internal predecessors, (9245), 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) [2022-11-18 19:56:16,614 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-18 19:56:16,614 INFO L209 CegarLoopForPetriNet]: trace histogram [27, 27, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:16,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:56:16,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-18 19:56:16,821 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 43 more)] === [2022-11-18 19:56:16,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:56:16,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1152079676, now seen corresponding path program 5 times [2022-11-18 19:56:16,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:56:16,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457610211] [2022-11-18 19:56:16,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:56:16,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:56:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:56:17,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:56:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:56:17,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:56:17,631 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 19:56:17,632 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2022-11-18 19:56:17,633 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2022-11-18 19:56:17,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2022-11-18 19:56:17,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2022-11-18 19:56:17,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2022-11-18 19:56:17,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2022-11-18 19:56:17,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2022-11-18 19:56:17,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2022-11-18 19:56:17,634 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2022-11-18 19:56:17,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2022-11-18 19:56:17,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2022-11-18 19:56:17,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2022-11-18 19:56:17,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2022-11-18 19:56:17,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2022-11-18 19:56:17,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2022-11-18 19:56:17,635 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err1ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err2ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err3ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err4ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2022-11-18 19:56:17,636 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err5ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err6ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONDATA_RACE (20 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err1ASSERT_VIOLATIONDATA_RACE (19 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err2ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err3ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err4ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err5ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2022-11-18 19:56:17,637 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err6ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err1ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err2ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err3ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err4ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err5ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2022-11-18 19:56:17,638 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2022-11-18 19:56:17,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err1ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2022-11-18 19:56:17,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err2ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2022-11-18 19:56:17,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err3ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2022-11-18 19:56:17,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2022-11-18 19:56:17,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2022-11-18 19:56:17,639 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err6ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2022-11-18 19:56:17,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-18 19:56:17,640 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 19:56:17,649 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-18 19:56:17,649 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 19:56:18,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 07:56:18 BasicIcfg [2022-11-18 19:56:18,131 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 19:56:18,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:56:18,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:56:18,131 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:56:18,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:55:53" (3/4) ... [2022-11-18 19:56:18,135 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:56:18,135 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:56:18,135 INFO L158 Benchmark]: Toolchain (without parser) took 26191.20ms. Allocated memory was 90.2MB in the beginning and 593.5MB in the end (delta: 503.3MB). Free memory was 54.5MB in the beginning and 209.0MB in the end (delta: -154.5MB). Peak memory consumption was 348.0MB. Max. memory is 16.1GB. [2022-11-18 19:56:18,136 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:56:18,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.10ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 84.5MB in the end (delta: -30.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:56:18,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.65ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:56:18,137 INFO L158 Benchmark]: Boogie Preprocessor took 59.71ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 19:56:18,137 INFO L158 Benchmark]: RCFGBuilder took 757.89ms. Allocated memory is still 119.5MB. Free memory was 80.4MB in the beginning and 59.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-18 19:56:18,137 INFO L158 Benchmark]: TraceAbstraction took 24488.02ms. Allocated memory was 119.5MB in the beginning and 593.5MB in the end (delta: 474.0MB). Free memory was 58.7MB in the beginning and 209.0MB in the end (delta: -150.3MB). Peak memory consumption was 430.2MB. Max. memory is 16.1GB. [2022-11-18 19:56:18,138 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 593.5MB. Free memory is still 209.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:56:18,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 90.2MB. Free memory was 60.4MB in the beginning and 60.4MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 786.10ms. Allocated memory was 90.2MB in the beginning and 119.5MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 84.5MB in the end (delta: -30.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.65ms. Allocated memory is still 119.5MB. Free memory was 84.5MB in the beginning and 82.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.71ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 757.89ms. Allocated memory is still 119.5MB. Free memory was 80.4MB in the beginning and 59.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 24488.02ms. Allocated memory was 119.5MB in the beginning and 593.5MB in the end (delta: 474.0MB). Free memory was 58.7MB in the beginning and 209.0MB in the end (delta: -150.3MB). Peak memory consumption was 430.2MB. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 593.5MB. Free memory is still 209.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 725]: Data race detected Data race detected The following path leads to a data race: [L703] 0 int cur = 1, prev = 0, next = 0; VAL [cur=1, next=0, prev=0] [L683] 0 int i, j; VAL [cur=1, i=0, j=0, next=0, prev=0] [L686] 0 int p, q; VAL [cur=1, i=0, j=0, next=0, p=0, prev=0, q=0] [L704] 0 int x; VAL [cur=1, i=0, j=0, next=0, p=0, prev=0, q=0, x=0] [L714] 0 pthread_t id1, id2; VAL [\old(argc)=196521, argc=196521, argv={196459:196478}, argv={196459:196478}, cur=1, i=0, id1={5:0}, id2={3:0}, j=0, next=0, p=0, prev=0, q=0, x=0] [L716] 0 i = 1 VAL [\old(argc)=196521, argc=196521, argv={196459:196478}, argv={196459:196478}, cur=1, i=1, id1={5:0}, id2={3:0}, j=0, next=0, p=0, prev=0, q=0, x=0] [L719] 0 j = 1 VAL [\old(argc)=196521, argc=196521, argv={196459:196478}, argv={196459:196478}, cur=1, i=1, id1={5:0}, id2={3:0}, j=1, next=0, p=0, prev=0, q=0, x=0] [L721] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [\old(argc)=196521, arg={0:0}, argc=196521, argv={196459:196478}, argv={196459:196478}, cur=1, i=1, id1={5:0}, id2={3:0}, j=1, next=0, p=0, prev=0, pthread_create(&id1, ((void *)0), t1, ((void *)0))=-1, q=0, x=0] [L722] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [\old(argc)=196521, arg={0:0}, arg={0:0}, argc=196521, argv={196459:196478}, argv={196459:196478}, cur=1, i=1, id1={5:0}, id2={3:0}, j=1, next=0, p=0, prev=0, pthread_create(&id2, ((void *)0), t2, ((void *)0))=0, q=0, x=0] [L723] CALL, EXPR 0 fib() [L706] 0 x = 0 VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=0, p=0, prev=0, q=0, x=0] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=0, q=0, x=0] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=0] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=0] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=1, p=0, prev=1, q=0, x=1] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=2, p=0, prev=1, q=0, x=1] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=1, i=1, j=1, next=2, p=0, prev=1, q=0, x=1] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=1] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=2, i=1, j=1, next=2, p=0, prev=1, q=0, x=2] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=2, i=1, j=1, next=3, p=0, prev=1, q=0, x=2] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=2, i=1, j=1, next=3, p=0, prev=2, q=0, x=2] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=2] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=3, i=1, j=1, next=3, p=0, prev=2, q=0, x=3] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=3, i=1, j=1, next=5, p=0, prev=2, q=0, x=3] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=3, i=1, j=1, next=5, p=0, prev=3, q=0, x=3] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=3] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=5, i=1, j=1, next=5, p=0, prev=3, q=0, x=4] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=5, i=1, j=1, next=8, p=0, prev=3, q=0, x=4] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=5, i=1, j=1, next=8, p=0, prev=5, q=0, x=4] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=4] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=8, i=1, j=1, next=8, p=0, prev=5, q=0, x=5] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=8, i=1, j=1, next=13, p=0, prev=5, q=0, x=5] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=8, i=1, j=1, next=13, p=0, prev=8, q=0, x=5] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=5] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=13, i=1, j=1, next=13, p=0, prev=8, q=0, x=6] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=13, i=1, j=1, next=21, p=0, prev=8, q=0, x=6] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=13, i=1, j=1, next=21, p=0, prev=13, q=0, x=6] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=6] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=21, i=1, j=1, next=21, p=0, prev=13, q=0, x=7] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=21, i=1, j=1, next=34, p=0, prev=13, q=0, x=7] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=21, i=1, j=1, next=34, p=0, prev=21, q=0, x=7] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=7] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=34, i=1, j=1, next=34, p=0, prev=21, q=0, x=8] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=34, i=1, j=1, next=55, p=0, prev=21, q=0, x=8] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=34, i=1, j=1, next=55, p=0, prev=34, q=0, x=8] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=8] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=55, i=1, j=1, next=55, p=0, prev=34, q=0, x=9] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=55, i=1, j=1, next=89, p=0, prev=34, q=0, x=9] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=55, i=1, j=1, next=89, p=0, prev=55, q=0, x=9] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=9] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=89, i=1, j=1, next=89, p=0, prev=55, q=0, x=10] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=89, i=1, j=1, next=144, p=0, prev=55, q=0, x=10] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=89, i=1, j=1, next=144, p=0, prev=89, q=0, x=10] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=10] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=144, i=1, j=1, next=144, p=0, prev=89, q=0, x=11] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=144, i=1, j=1, next=233, p=0, prev=89, q=0, x=11] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=144, i=1, j=1, next=233, p=0, prev=144, q=0, x=11] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=11] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=233, i=1, j=1, next=233, p=0, prev=144, q=0, x=12] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=233, i=1, j=1, next=377, p=0, prev=144, q=0, x=12] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=233, i=1, j=1, next=377, p=0, prev=233, q=0, x=12] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=12] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=377, i=1, j=1, next=377, p=0, prev=233, q=0, x=13] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=377, i=1, j=1, next=610, p=0, prev=233, q=0, x=13] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=377, i=1, j=1, next=610, p=0, prev=377, q=0, x=13] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=13] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=610, i=1, j=1, next=610, p=0, prev=377, q=0, x=14] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=610, i=1, j=1, next=987, p=0, prev=377, q=0, x=14] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=610, i=1, j=1, next=987, p=0, prev=610, q=0, x=14] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=14] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=987, i=1, j=1, next=987, p=0, prev=610, q=0, x=15] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=987, i=1, j=1, next=1597, p=0, prev=610, q=0, x=15] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=987, i=1, j=1, next=1597, p=0, prev=987, q=0, x=15] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=15] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=1597, p=0, prev=987, q=0, x=16] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=2584, p=0, prev=987, q=0, x=16] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=1597, i=1, j=1, next=2584, p=0, prev=1597, q=0, x=16] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=2584, i=1, j=1, next=2584, p=0, prev=1597, q=0, x=16] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=2584, i=1, j=1, next=2584, p=0, prev=1597, q=0, x=17] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=2584, i=1, j=1, next=2584, p=0, prev=1597, q=0, x=17] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=2584, i=1, j=1, next=2584, p=0, prev=1597, q=0, x=17] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=2584, i=1, j=1, next=2584, p=0, prev=1597, q=0, x=17] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=2584, i=1, j=1, next=4181, p=0, prev=1597, q=0, x=17] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=2584, i=1, j=1, next=4181, p=0, prev=2584, q=0, x=17] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=4181, i=1, j=1, next=4181, p=0, prev=2584, q=0, x=17] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=4181, i=1, j=1, next=4181, p=0, prev=2584, q=0, x=18] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=4181, i=1, j=1, next=4181, p=0, prev=2584, q=0, x=18] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=4181, i=1, j=1, next=4181, p=0, prev=2584, q=0, x=18] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=4181, i=1, j=1, next=4181, p=0, prev=2584, q=0, x=18] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=4181, i=1, j=1, next=6765, p=0, prev=2584, q=0, x=18] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=4181, i=1, j=1, next=6765, p=0, prev=4181, q=0, x=18] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=6765, i=1, j=1, next=6765, p=0, prev=4181, q=0, x=18] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=6765, i=1, j=1, next=6765, p=0, prev=4181, q=0, x=19] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=6765, i=1, j=1, next=6765, p=0, prev=4181, q=0, x=19] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=6765, i=1, j=1, next=6765, p=0, prev=4181, q=0, x=19] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=6765, i=1, j=1, next=6765, p=0, prev=4181, q=0, x=19] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=6765, i=1, j=1, next=10946, p=0, prev=4181, q=0, x=19] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=6765, i=1, j=1, next=10946, p=0, prev=6765, q=0, x=19] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=10946, i=1, j=1, next=10946, p=0, prev=6765, q=0, x=19] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=10946, i=1, j=1, next=10946, p=0, prev=6765, q=0, x=20] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=10946, i=1, j=1, next=10946, p=0, prev=6765, q=0, x=20] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=10946, i=1, j=1, next=10946, p=0, prev=6765, q=0, x=20] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=10946, i=1, j=1, next=10946, p=0, prev=6765, q=0, x=20] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=10946, i=1, j=1, next=17711, p=0, prev=6765, q=0, x=20] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=10946, i=1, j=1, next=17711, p=0, prev=10946, q=0, x=20] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=17711, i=1, j=1, next=17711, p=0, prev=10946, q=0, x=20] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=17711, i=1, j=1, next=17711, p=0, prev=10946, q=0, x=21] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=17711, i=1, j=1, next=17711, p=0, prev=10946, q=0, x=21] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=17711, i=1, j=1, next=17711, p=0, prev=10946, q=0, x=21] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=17711, i=1, j=1, next=17711, p=0, prev=10946, q=0, x=21] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=17711, i=1, j=1, next=28657, p=0, prev=10946, q=0, x=21] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=17711, i=1, j=1, next=28657, p=0, prev=17711, q=0, x=21] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=28657, i=1, j=1, next=28657, p=0, prev=17711, q=0, x=21] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=28657, i=1, j=1, next=28657, p=0, prev=17711, q=0, x=22] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=28657, i=1, j=1, next=28657, p=0, prev=17711, q=0, x=22] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=28657, i=1, j=1, next=28657, p=0, prev=17711, q=0, x=22] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=28657, i=1, j=1, next=28657, p=0, prev=17711, q=0, x=22] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=28657, i=1, j=1, next=46368, p=0, prev=17711, q=0, x=22] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=28657, i=1, j=1, next=46368, p=0, prev=28657, q=0, x=22] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=46368, i=1, j=1, next=46368, p=0, prev=28657, q=0, x=22] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=46368, i=1, j=1, next=46368, p=0, prev=28657, q=0, x=23] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=46368, i=1, j=1, next=46368, p=0, prev=28657, q=0, x=23] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=46368, i=1, j=1, next=46368, p=0, prev=28657, q=0, x=23] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=46368, i=1, j=1, next=46368, p=0, prev=28657, q=0, x=23] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=46368, i=1, j=1, next=75025, p=0, prev=28657, q=0, x=23] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=46368, i=1, j=1, next=75025, p=0, prev=46368, q=0, x=23] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=75025, i=1, j=1, next=75025, p=0, prev=46368, q=0, x=23] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=75025, i=1, j=1, next=75025, p=0, prev=46368, q=0, x=24] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=75025, i=1, j=1, next=75025, p=0, prev=46368, q=0, x=24] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=75025, i=1, j=1, next=75025, p=0, prev=46368, q=0, x=24] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=75025, i=1, j=1, next=75025, p=0, prev=46368, q=0, x=24] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=75025, i=1, j=1, next=121393, p=0, prev=46368, q=0, x=24] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=75025, i=1, j=1, next=121393, p=0, prev=75025, q=0, x=24] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=121393, i=1, j=1, next=121393, p=0, prev=75025, q=0, x=24] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=121393, i=1, j=1, next=121393, p=0, prev=75025, q=0, x=25] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=121393, i=1, j=1, next=121393, p=0, prev=75025, q=0, x=25] [L706] COND TRUE 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=121393, i=1, j=1, next=121393, p=0, prev=75025, q=0, x=25] [L707] EXPR 0 prev + cur VAL [arg={0:0}, arg={0:0}, cur=121393, i=1, j=1, next=121393, p=0, prev=75025, q=0, x=25] [L707] 0 next = prev + cur VAL [arg={0:0}, arg={0:0}, cur=121393, i=1, j=1, next=196418, p=0, prev=75025, q=0, x=25] [L708] 0 prev = cur VAL [arg={0:0}, arg={0:0}, cur=121393, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=25] [L709] 0 cur = next VAL [arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=25] [L706] 0 x++ VAL [arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L706] 0 x < 26 VAL [arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L706] COND FALSE 0 !(x < 26) VAL [arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L688] 1 p = 0 VAL [arg={0:0}, arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L688] 1 p < 12 VAL [arg={0:0}, arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L688] COND TRUE 1 p < 12 VAL [arg={0:0}, arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L711] 0 return prev; VAL [\result=121393, arg={0:0}, arg={0:0}, arg={0:0}, cur=196418, i=1, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L723] RET, EXPR 0 fib() [L723] 0 int correct = fib(); VAL [\old(argc)=196521, arg={0:0}, arg={0:0}, arg={0:0}, argc=196521, argv={196459:196478}, argv={196459:196478}, correct=121393, cur=196418, fib()=121393, i=1, id1={5:0}, id2={3:0}, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L725] 0 i < correct VAL [\old(argc)=196521, arg={0:0}, arg={0:0}, arg={0:0}, argc=196521, argv={196459:196478}, argv={196459:196478}, correct=121393, cur=196418, i=1, id1={5:0}, id2={3:0}, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L690] EXPR 1 i + j [L690] 1 i = i + j VAL [arg={0:0}, arg={0:0}, arg={0:0}, cur=196418, i=2, j=1, next=196418, p=0, prev=121393, q=0, x=26] [L725] 0 i < correct VAL [\old(argc)=196521, arg={0:0}, arg={0:0}, arg={0:0}, argc=196521, argv={196459:196478}, argv={196459:196478}, correct=121393, cur=196418, i=2, id1={5:0}, id2={3:0}, j=1, next=196418, p=0, prev=121393, q=0, x=26] Now there is a data race on ~i~0 between C: i = i + j [690] and C: i < correct [725] - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 719]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 725]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 706]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 246 locations, 46 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: 23.9s, OverallIterations: 24, TraceHistogramMax: 27, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1560 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1560 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 997 IncrementalHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 152 mSDtfsCounter, 997 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2776 GetRequests, 2538 SyntacticMatches, 11 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3769 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1316occurred in iteration=23, InterpolantAutomatonStates: 209, 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: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 4672 NumberOfCodeBlocks, 4672 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 4852 ConstructedInterpolants, 0 QuantifiedInterpolants, 10696 SizeOfPredicates, 52 NumberOfNonLiveVariables, 2700 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 33 InterpolantComputations, 19 PerfectInterpolantSequences, 6/13791 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 RESULT: Ultimate proved your program to be incorrect! [2022-11-18 19:56:18,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67743f62-f831-42d9-9740-062a5bdc4231/bin/uautomizer-TMbwUNV5ro/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE