./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/szymanski.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-atomic/szymanski.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a --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 bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 --- 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-b5237d8 [2022-11-21 16:09:06,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:09:06,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:09:06,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:09:06,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:09:06,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:09:06,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:09:06,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:09:06,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:09:06,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:09:06,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:09:06,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:09:06,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:09:06,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:09:06,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:09:06,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:09:06,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:09:06,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:09:06,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:09:06,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:09:06,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:09:06,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:09:06,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:09:06,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:09:06,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:09:06,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:09:06,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:09:06,815 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:09:06,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:09:06,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:09:06,817 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:09:06,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:09:06,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:09:06,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:09:06,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:09:06,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:09:06,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:09:06,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:09:06,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:09:06,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:09:06,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:09:06,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 16:09:06,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:09:06,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:09:06,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:09:06,851 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:09:06,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 16:09:06,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 16:09:06,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:09:06,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:09:06,853 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:09:06,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:09:06,854 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:09:06,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:09:06,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:09:06,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:09:06,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:09:06,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 16:09:06,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 16:09:06,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 16:09:06,857 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 16:09:06,857 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:09:06,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:09:06,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:09:06,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 16:09:06,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:09:06,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:09:06,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 16:09:06,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:09:06,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:09:06,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 16:09:06,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 16:09:06,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:09:06,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 16:09:06,861 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 16:09:06,861 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 16:09:06,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 16:09:06,862 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_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc84ca2197caec735a8480f9d61b820c686ed9ae52711f2c7500999694c2ad40 [2022-11-21 16:09:07,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:09:07,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:09:07,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:09:07,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:09:07,193 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:09:07,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/pthread-atomic/szymanski.i [2022-11-21 16:09:10,338 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:09:10,652 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:09:10,653 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/sv-benchmarks/c/pthread-atomic/szymanski.i [2022-11-21 16:09:10,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/data/7425145f6/d6a3ac49153346309b06adf56d66dcd0/FLAG5eaf4f463 [2022-11-21 16:09:10,682 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/data/7425145f6/d6a3ac49153346309b06adf56d66dcd0 [2022-11-21 16:09:10,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:09:10,686 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:09:10,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:10,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:09:10,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:09:10,696 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:10" (1/1) ... [2022-11-21 16:09:10,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bedb9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:10, skipping insertion in model container [2022-11-21 16:09:10,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:10" (1/1) ... [2022-11-21 16:09:10,707 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:09:10,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:09:10,933 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:09:11,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2022-11-21 16:09:11,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2022-11-21 16:09:11,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:11,211 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:09:11,243 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 16:09:11,271 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/sv-benchmarks/c/pthread-atomic/szymanski.i[31505,31518] [2022-11-21 16:09:11,279 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/sv-benchmarks/c/pthread-atomic/szymanski.i[32915,32928] [2022-11-21 16:09:11,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:11,325 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:09:11,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11 WrapperNode [2022-11-21 16:09:11,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:11,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:09:11,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:09:11,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:09:11,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,353 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,372 INFO L138 Inliner]: procedures = 171, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-11-21 16:09:11,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:09:11,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:09:11,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:09:11,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:09:11,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,406 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,411 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:09:11,412 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:09:11,412 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:09:11,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:09:11,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (1/1) ... [2022-11-21 16:09:11,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 16:09:11,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:09:11,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 16:09:11,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 16:09:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:09:11,522 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-21 16:09:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-21 16:09:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 16:09:11,523 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 16:09:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:09:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 16:09:11,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:09:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 16:09:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 16:09:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:09:11,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 16:09:11,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:09:11,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:09:11,526 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 16:09:11,687 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:09:11,690 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:09:12,119 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:09:12,240 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:09:12,240 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-21 16:09:12,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:09:12 BoogieIcfgContainer [2022-11-21 16:09:12,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:09:12,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 16:09:12,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 16:09:12,249 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 16:09:12,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 04:09:10" (1/3) ... [2022-11-21 16:09:12,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ae255e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:09:12, skipping insertion in model container [2022-11-21 16:09:12,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:11" (2/3) ... [2022-11-21 16:09:12,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ae255e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 04:09:12, skipping insertion in model container [2022-11-21 16:09:12,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:09:12" (3/3) ... [2022-11-21 16:09:12,252 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2022-11-21 16:09:12,266 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 16:09:12,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 16:09:12,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-21 16:09:12,278 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 16:09:12,397 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-21 16:09:12,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 158 places, 171 transitions, 358 flow [2022-11-21 16:09:12,509 INFO L130 PetriNetUnfolder]: 20/169 cut-off events. [2022-11-21 16:09:12,509 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 16:09:12,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178 conditions, 169 events. 20/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 355 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 133. Up to 3 conditions per place. [2022-11-21 16:09:12,521 INFO L82 GeneralOperation]: Start removeDead. Operand has 158 places, 171 transitions, 358 flow [2022-11-21 16:09:12,533 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 146 places, 159 transitions, 327 flow [2022-11-21 16:09:12,544 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 16:09:12,551 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;@54687c55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 16:09:12,552 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-11-21 16:09:12,559 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-21 16:09:12,559 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:09:12,560 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:12,561 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] [2022-11-21 16:09:12,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:12,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1174835210, now seen corresponding path program 1 times [2022-11-21 16:09:12,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:12,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418178576] [2022-11-21 16:09:12,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:12,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:12,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:12,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:12,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418178576] [2022-11-21 16:09:12,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418178576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:12,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:12,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-21 16:09:12,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474750188] [2022-11-21 16:09:12,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:12,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-21 16:09:12,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:12,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:09:12,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:09:12,881 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 101 out of 171 [2022-11-21 16:09:12,884 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 159 transitions, 327 flow. Second operand has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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) [2022-11-21 16:09:12,884 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:12,885 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 101 of 171 [2022-11-21 16:09:12,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:13,194 INFO L130 PetriNetUnfolder]: 240/809 cut-off events. [2022-11-21 16:09:13,195 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-11-21 16:09:13,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 809 events. 240/809 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 4355 event pairs, 120 based on Foata normal form. 115/778 useless extension candidates. Maximal degree in co-relation 1088. Up to 369 conditions per place. [2022-11-21 16:09:13,213 INFO L137 encePairwiseOnDemand]: 133/171 looper letters, 31 selfloop transitions, 0 changer transitions 0/121 dead transitions. [2022-11-21 16:09:13,213 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 121 transitions, 313 flow [2022-11-21 16:09:13,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:09:13,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-11-21 16:09:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 271 transitions. [2022-11-21 16:09:13,235 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7923976608187134 [2022-11-21 16:09:13,236 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 271 transitions. [2022-11-21 16:09:13,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 271 transitions. [2022-11-21 16:09:13,240 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:13,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 271 transitions. [2022-11-21 16:09:13,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 135.5) internal successors, (271), 2 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:13,256 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:13,256 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:13,258 INFO L175 Difference]: Start difference. First operand has 146 places, 159 transitions, 327 flow. Second operand 2 states and 271 transitions. [2022-11-21 16:09:13,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 121 transitions, 313 flow [2022-11-21 16:09:13,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 121 transitions, 308 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-11-21 16:09:13,271 INFO L231 Difference]: Finished difference. Result has 116 places, 121 transitions, 246 flow [2022-11-21 16:09:13,274 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=246, PETRI_PLACES=116, PETRI_TRANSITIONS=121} [2022-11-21 16:09:13,280 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -30 predicate places. [2022-11-21 16:09:13,280 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 121 transitions, 246 flow [2022-11-21 16:09:13,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 102.0) internal successors, (204), 2 states have internal predecessors, (204), 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) [2022-11-21 16:09:13,281 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:13,281 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] [2022-11-21 16:09:13,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 16:09:13,282 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:13,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:13,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1012490426, now seen corresponding path program 1 times [2022-11-21 16:09:13,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:13,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873831928] [2022-11-21 16:09:13,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:13,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:13,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:13,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873831928] [2022-11-21 16:09:13,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873831928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:13,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:13,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:09:13,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384370524] [2022-11-21 16:09:13,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:14,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:09:14,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:14,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:09:14,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:09:14,006 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 171 [2022-11-21 16:09:14,008 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 121 transitions, 246 flow. Second operand has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 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) [2022-11-21 16:09:14,008 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:14,009 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 171 [2022-11-21 16:09:14,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:14,985 INFO L130 PetriNetUnfolder]: 2243/3880 cut-off events. [2022-11-21 16:09:14,986 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 16:09:14,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7061 conditions, 3880 events. 2243/3880 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 22999 event pairs, 330 based on Foata normal form. 0/3573 useless extension candidates. Maximal degree in co-relation 7058. Up to 1053 conditions per place. [2022-11-21 16:09:15,013 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 154 selfloop transitions, 4 changer transitions 0/232 dead transitions. [2022-11-21 16:09:15,013 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 232 transitions, 784 flow [2022-11-21 16:09:15,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:09:15,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:09:15,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 657 transitions. [2022-11-21 16:09:15,016 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6403508771929824 [2022-11-21 16:09:15,017 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 657 transitions. [2022-11-21 16:09:15,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 657 transitions. [2022-11-21 16:09:15,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:15,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 657 transitions. [2022-11-21 16:09:15,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 109.5) internal successors, (657), 6 states have internal predecessors, (657), 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) [2022-11-21 16:09:15,022 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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) [2022-11-21 16:09:15,023 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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) [2022-11-21 16:09:15,023 INFO L175 Difference]: Start difference. First operand has 116 places, 121 transitions, 246 flow. Second operand 6 states and 657 transitions. [2022-11-21 16:09:15,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 232 transitions, 784 flow [2022-11-21 16:09:15,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 232 transitions, 784 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:09:15,028 INFO L231 Difference]: Finished difference. Result has 120 places, 120 transitions, 252 flow [2022-11-21 16:09:15,029 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=252, PETRI_PLACES=120, PETRI_TRANSITIONS=120} [2022-11-21 16:09:15,030 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -26 predicate places. [2022-11-21 16:09:15,031 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 120 transitions, 252 flow [2022-11-21 16:09:15,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 84.83333333333333) internal successors, (509), 6 states have internal predecessors, (509), 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) [2022-11-21 16:09:15,032 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:15,032 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] [2022-11-21 16:09:15,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 16:09:15,033 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:15,034 INFO L85 PathProgramCache]: Analyzing trace with hash 531507710, now seen corresponding path program 1 times [2022-11-21 16:09:15,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:15,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408734854] [2022-11-21 16:09:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:15,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:15,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:15,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408734854] [2022-11-21 16:09:15,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408734854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:15,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:15,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:09:15,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089458682] [2022-11-21 16:09:15,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:15,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:09:15,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:15,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:09:15,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:15,105 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 171 [2022-11-21 16:09:15,105 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 120 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:15,106 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:15,106 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 171 [2022-11-21 16:09:15,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:15,391 INFO L130 PetriNetUnfolder]: 512/1315 cut-off events. [2022-11-21 16:09:15,391 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-11-21 16:09:15,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2224 conditions, 1315 events. 512/1315 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7364 event pairs, 277 based on Foata normal form. 0/1103 useless extension candidates. Maximal degree in co-relation 2220. Up to 783 conditions per place. [2022-11-21 16:09:15,403 INFO L137 encePairwiseOnDemand]: 165/171 looper letters, 63 selfloop transitions, 5 changer transitions 0/143 dead transitions. [2022-11-21 16:09:15,403 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 143 transitions, 436 flow [2022-11-21 16:09:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:09:15,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:09:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2022-11-21 16:09:15,405 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6432748538011696 [2022-11-21 16:09:15,405 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2022-11-21 16:09:15,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2022-11-21 16:09:15,406 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:15,406 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2022-11-21 16:09:15,407 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2022-11-21 16:09:15,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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) [2022-11-21 16:09:15,409 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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) [2022-11-21 16:09:15,409 INFO L175 Difference]: Start difference. First operand has 120 places, 120 transitions, 252 flow. Second operand 3 states and 330 transitions. [2022-11-21 16:09:15,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 143 transitions, 436 flow [2022-11-21 16:09:15,411 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 143 transitions, 429 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 16:09:15,413 INFO L231 Difference]: Finished difference. Result has 120 places, 124 transitions, 283 flow [2022-11-21 16:09:15,414 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=245, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=283, PETRI_PLACES=120, PETRI_TRANSITIONS=124} [2022-11-21 16:09:15,415 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -26 predicate places. [2022-11-21 16:09:15,415 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 124 transitions, 283 flow [2022-11-21 16:09:15,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:15,415 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:15,416 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] [2022-11-21 16:09:15,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 16:09:15,416 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:15,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:15,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1397500860, now seen corresponding path program 1 times [2022-11-21 16:09:15,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:15,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690253961] [2022-11-21 16:09:15,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:15,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:15,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:15,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:15,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690253961] [2022-11-21 16:09:15,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690253961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:15,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:15,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:09:15,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963923989] [2022-11-21 16:09:15,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:15,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:09:15,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:15,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:09:15,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:15,453 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 171 [2022-11-21 16:09:15,453 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 124 transitions, 283 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2022-11-21 16:09:15,454 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:15,454 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 171 [2022-11-21 16:09:15,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:15,719 INFO L130 PetriNetUnfolder]: 453/1285 cut-off events. [2022-11-21 16:09:15,719 INFO L131 PetriNetUnfolder]: For 148/150 co-relation queries the response was YES. [2022-11-21 16:09:15,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2249 conditions, 1285 events. 453/1285 cut-off events. For 148/150 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 7402 event pairs, 146 based on Foata normal form. 1/1110 useless extension candidates. Maximal degree in co-relation 2244. Up to 411 conditions per place. [2022-11-21 16:09:15,730 INFO L137 encePairwiseOnDemand]: 163/171 looper letters, 80 selfloop transitions, 7 changer transitions 0/165 dead transitions. [2022-11-21 16:09:15,730 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 165 transitions, 558 flow [2022-11-21 16:09:15,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:09:15,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:09:15,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 352 transitions. [2022-11-21 16:09:15,736 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6861598440545809 [2022-11-21 16:09:15,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 352 transitions. [2022-11-21 16:09:15,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 352 transitions. [2022-11-21 16:09:15,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:15,737 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 352 transitions. [2022-11-21 16:09:15,739 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.33333333333333) internal successors, (352), 3 states have internal predecessors, (352), 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) [2022-11-21 16:09:15,740 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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) [2022-11-21 16:09:15,741 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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) [2022-11-21 16:09:15,741 INFO L175 Difference]: Start difference. First operand has 120 places, 124 transitions, 283 flow. Second operand 3 states and 352 transitions. [2022-11-21 16:09:15,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 165 transitions, 558 flow [2022-11-21 16:09:15,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 165 transitions, 544 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:09:15,754 INFO L231 Difference]: Finished difference. Result has 122 places, 130 transitions, 335 flow [2022-11-21 16:09:15,754 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=122, PETRI_TRANSITIONS=130} [2022-11-21 16:09:15,756 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -24 predicate places. [2022-11-21 16:09:15,756 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 130 transitions, 335 flow [2022-11-21 16:09:15,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2022-11-21 16:09:15,757 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:15,757 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] [2022-11-21 16:09:15,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 16:09:15,758 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:15,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:15,759 INFO L85 PathProgramCache]: Analyzing trace with hash -814186702, now seen corresponding path program 1 times [2022-11-21 16:09:15,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:15,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873097289] [2022-11-21 16:09:15,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:15,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:15,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:15,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:15,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873097289] [2022-11-21 16:09:15,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873097289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:15,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:15,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:09:15,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615178947] [2022-11-21 16:09:15,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:15,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 16:09:15,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:15,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:09:15,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:09:15,821 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 171 [2022-11-21 16:09:15,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 130 transitions, 335 flow. Second operand has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:15,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:15,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 171 [2022-11-21 16:09:15,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:16,082 INFO L130 PetriNetUnfolder]: 494/1380 cut-off events. [2022-11-21 16:09:16,083 INFO L131 PetriNetUnfolder]: For 286/286 co-relation queries the response was YES. [2022-11-21 16:09:16,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2575 conditions, 1380 events. 494/1380 cut-off events. For 286/286 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 8060 event pairs, 232 based on Foata normal form. 0/1208 useless extension candidates. Maximal degree in co-relation 2569. Up to 745 conditions per place. [2022-11-21 16:09:16,093 INFO L137 encePairwiseOnDemand]: 165/171 looper letters, 72 selfloop transitions, 7 changer transitions 0/155 dead transitions. [2022-11-21 16:09:16,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 155 transitions, 566 flow [2022-11-21 16:09:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:09:16,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 16:09:16,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 330 transitions. [2022-11-21 16:09:16,096 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6432748538011696 [2022-11-21 16:09:16,096 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 330 transitions. [2022-11-21 16:09:16,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 330 transitions. [2022-11-21 16:09:16,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:16,096 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 330 transitions. [2022-11-21 16:09:16,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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) [2022-11-21 16:09:16,099 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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) [2022-11-21 16:09:16,099 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 states have internal predecessors, (684), 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) [2022-11-21 16:09:16,099 INFO L175 Difference]: Start difference. First operand has 122 places, 130 transitions, 335 flow. Second operand 3 states and 330 transitions. [2022-11-21 16:09:16,100 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 155 transitions, 566 flow [2022-11-21 16:09:16,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 155 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:09:16,105 INFO L231 Difference]: Finished difference. Result has 124 places, 134 transitions, 373 flow [2022-11-21 16:09:16,105 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=373, PETRI_PLACES=124, PETRI_TRANSITIONS=134} [2022-11-21 16:09:16,106 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -22 predicate places. [2022-11-21 16:09:16,106 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 134 transitions, 373 flow [2022-11-21 16:09:16,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.66666666666667) internal successors, (272), 3 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:16,107 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:16,107 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] [2022-11-21 16:09:16,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 16:09:16,107 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:16,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:16,108 INFO L85 PathProgramCache]: Analyzing trace with hash 2132307772, now seen corresponding path program 1 times [2022-11-21 16:09:16,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:16,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253253185] [2022-11-21 16:09:16,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:16,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:16,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:16,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:16,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253253185] [2022-11-21 16:09:16,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253253185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:16,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:16,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:09:16,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697960887] [2022-11-21 16:09:16,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:16,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:09:16,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:16,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:09:16,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:09:16,165 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 171 [2022-11-21 16:09:16,166 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 134 transitions, 373 flow. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:16,166 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:16,166 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 171 [2022-11-21 16:09:16,166 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:16,577 INFO L130 PetriNetUnfolder]: 619/2035 cut-off events. [2022-11-21 16:09:16,577 INFO L131 PetriNetUnfolder]: For 353/385 co-relation queries the response was YES. [2022-11-21 16:09:16,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3649 conditions, 2035 events. 619/2035 cut-off events. For 353/385 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 14491 event pairs, 169 based on Foata normal form. 0/1712 useless extension candidates. Maximal degree in co-relation 3642. Up to 544 conditions per place. [2022-11-21 16:09:16,591 INFO L137 encePairwiseOnDemand]: 154/171 looper letters, 86 selfloop transitions, 18 changer transitions 0/196 dead transitions. [2022-11-21 16:09:16,591 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 196 transitions, 710 flow [2022-11-21 16:09:16,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:09:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:09:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 564 transitions. [2022-11-21 16:09:16,594 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6596491228070176 [2022-11-21 16:09:16,594 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 564 transitions. [2022-11-21 16:09:16,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 564 transitions. [2022-11-21 16:09:16,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:16,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 564 transitions. [2022-11-21 16:09:16,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 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) [2022-11-21 16:09:16,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 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) [2022-11-21 16:09:16,598 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 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) [2022-11-21 16:09:16,598 INFO L175 Difference]: Start difference. First operand has 124 places, 134 transitions, 373 flow. Second operand 5 states and 564 transitions. [2022-11-21 16:09:16,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 196 transitions, 710 flow [2022-11-21 16:09:16,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 196 transitions, 696 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 16:09:16,606 INFO L231 Difference]: Finished difference. Result has 130 places, 150 transitions, 511 flow [2022-11-21 16:09:16,606 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=134, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=511, PETRI_PLACES=130, PETRI_TRANSITIONS=150} [2022-11-21 16:09:16,607 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -16 predicate places. [2022-11-21 16:09:16,607 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 150 transitions, 511 flow [2022-11-21 16:09:16,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:16,608 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:16,608 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] [2022-11-21 16:09:16,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 16:09:16,608 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:16,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:16,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1081144100, now seen corresponding path program 2 times [2022-11-21 16:09:16,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:16,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981154170] [2022-11-21 16:09:16,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:16,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:16,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:16,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981154170] [2022-11-21 16:09:16,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981154170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:16,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:16,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:09:16,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111747723] [2022-11-21 16:09:16,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:16,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:09:16,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:16,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:09:16,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:09:16,684 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 171 [2022-11-21 16:09:16,684 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 150 transitions, 511 flow. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:16,684 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:16,685 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 171 [2022-11-21 16:09:16,685 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:17,214 INFO L130 PetriNetUnfolder]: 782/2502 cut-off events. [2022-11-21 16:09:17,214 INFO L131 PetriNetUnfolder]: For 935/979 co-relation queries the response was YES. [2022-11-21 16:09:17,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5067 conditions, 2502 events. 782/2502 cut-off events. For 935/979 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 18605 event pairs, 132 based on Foata normal form. 27/2237 useless extension candidates. Maximal degree in co-relation 5057. Up to 479 conditions per place. [2022-11-21 16:09:17,235 INFO L137 encePairwiseOnDemand]: 153/171 looper letters, 102 selfloop transitions, 31 changer transitions 0/225 dead transitions. [2022-11-21 16:09:17,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 225 transitions, 1070 flow [2022-11-21 16:09:17,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:09:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:09:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 568 transitions. [2022-11-21 16:09:17,238 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.664327485380117 [2022-11-21 16:09:17,238 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 568 transitions. [2022-11-21 16:09:17,238 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 568 transitions. [2022-11-21 16:09:17,238 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:17,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 568 transitions. [2022-11-21 16:09:17,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 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) [2022-11-21 16:09:17,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 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) [2022-11-21 16:09:17,244 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 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) [2022-11-21 16:09:17,244 INFO L175 Difference]: Start difference. First operand has 130 places, 150 transitions, 511 flow. Second operand 5 states and 568 transitions. [2022-11-21 16:09:17,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 225 transitions, 1070 flow [2022-11-21 16:09:17,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 225 transitions, 1070 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:09:17,253 INFO L231 Difference]: Finished difference. Result has 138 places, 176 transitions, 817 flow [2022-11-21 16:09:17,253 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=817, PETRI_PLACES=138, PETRI_TRANSITIONS=176} [2022-11-21 16:09:17,254 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -8 predicate places. [2022-11-21 16:09:17,254 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 176 transitions, 817 flow [2022-11-21 16:09:17,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:17,254 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:17,255 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] [2022-11-21 16:09:17,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 16:09:17,255 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err11ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:17,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:17,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1241161180, now seen corresponding path program 3 times [2022-11-21 16:09:17,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:17,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200108823] [2022-11-21 16:09:17,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:17,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:17,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:17,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:17,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200108823] [2022-11-21 16:09:17,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200108823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:17,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:17,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:09:17,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768865130] [2022-11-21 16:09:17,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:17,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 16:09:17,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:17,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:09:17,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:09:17,337 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 171 [2022-11-21 16:09:17,337 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 176 transitions, 817 flow. Second operand has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:17,337 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:17,338 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 171 [2022-11-21 16:09:17,338 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:17,793 INFO L130 PetriNetUnfolder]: 694/1988 cut-off events. [2022-11-21 16:09:17,793 INFO L131 PetriNetUnfolder]: For 2636/2698 co-relation queries the response was YES. [2022-11-21 16:09:17,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5210 conditions, 1988 events. 694/1988 cut-off events. For 2636/2698 co-relation queries the response was YES. Maximal size of possible extension queue 77. Compared 13598 event pairs, 193 based on Foata normal form. 15/1808 useless extension candidates. Maximal degree in co-relation 5196. Up to 798 conditions per place. [2022-11-21 16:09:17,812 INFO L137 encePairwiseOnDemand]: 154/171 looper letters, 135 selfloop transitions, 16 changer transitions 9/242 dead transitions. [2022-11-21 16:09:17,812 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 242 transitions, 1464 flow [2022-11-21 16:09:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:09:17,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 16:09:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 559 transitions. [2022-11-21 16:09:17,815 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6538011695906433 [2022-11-21 16:09:17,816 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 559 transitions. [2022-11-21 16:09:17,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 559 transitions. [2022-11-21 16:09:17,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:17,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 559 transitions. [2022-11-21 16:09:17,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 111.8) internal successors, (559), 5 states have internal predecessors, (559), 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) [2022-11-21 16:09:17,819 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 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) [2022-11-21 16:09:17,820 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 171.0) internal successors, (1026), 6 states have internal predecessors, (1026), 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) [2022-11-21 16:09:17,820 INFO L175 Difference]: Start difference. First operand has 138 places, 176 transitions, 817 flow. Second operand 5 states and 559 transitions. [2022-11-21 16:09:17,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 242 transitions, 1464 flow [2022-11-21 16:09:17,871 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 242 transitions, 1434 flow, removed 9 selfloop flow, removed 4 redundant places. [2022-11-21 16:09:17,875 INFO L231 Difference]: Finished difference. Result has 138 places, 171 transitions, 825 flow [2022-11-21 16:09:17,876 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=695, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=825, PETRI_PLACES=138, PETRI_TRANSITIONS=171} [2022-11-21 16:09:17,880 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -8 predicate places. [2022-11-21 16:09:17,880 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 171 transitions, 825 flow [2022-11-21 16:09:17,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.5) internal successors, (378), 4 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:09:17,881 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 16:09:17,881 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] [2022-11-21 16:09:17,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 16:09:17,882 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err3ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 64 more)] === [2022-11-21 16:09:17,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:09:17,883 INFO L85 PathProgramCache]: Analyzing trace with hash 956390485, now seen corresponding path program 1 times [2022-11-21 16:09:17,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:09:17,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478614156] [2022-11-21 16:09:17,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:09:17,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:09:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:09:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:09:18,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:09:18,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478614156] [2022-11-21 16:09:18,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478614156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:09:18,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:09:18,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 16:09:18,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99473790] [2022-11-21 16:09:18,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:09:18,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 16:09:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:09:18,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 16:09:18,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 16:09:18,392 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 171 [2022-11-21 16:09:18,393 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 171 transitions, 825 flow. Second operand has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 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) [2022-11-21 16:09:18,393 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 16:09:18,393 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 171 [2022-11-21 16:09:18,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 16:09:20,036 INFO L130 PetriNetUnfolder]: 4167/9527 cut-off events. [2022-11-21 16:09:20,037 INFO L131 PetriNetUnfolder]: For 14939/15494 co-relation queries the response was YES. [2022-11-21 16:09:20,079 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27169 conditions, 9527 events. 4167/9527 cut-off events. For 14939/15494 co-relation queries the response was YES. Maximal size of possible extension queue 293. Compared 81383 event pairs, 2156 based on Foata normal form. 50/9254 useless extension candidates. Maximal degree in co-relation 27153. Up to 5724 conditions per place. [2022-11-21 16:09:20,094 INFO L137 encePairwiseOnDemand]: 166/171 looper letters, 0 selfloop transitions, 0 changer transitions 258/258 dead transitions. [2022-11-21 16:09:20,094 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 258 transitions, 1691 flow [2022-11-21 16:09:20,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 16:09:20,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 16:09:20,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 600 transitions. [2022-11-21 16:09:20,097 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.5847953216374269 [2022-11-21 16:09:20,097 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 600 transitions. [2022-11-21 16:09:20,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 600 transitions. [2022-11-21 16:09:20,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:09:20,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 600 transitions. [2022-11-21 16:09:20,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 100.0) internal successors, (600), 6 states have internal predecessors, (600), 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) [2022-11-21 16:09:20,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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) [2022-11-21 16:09:20,103 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 171.0) internal successors, (1197), 7 states have internal predecessors, (1197), 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) [2022-11-21 16:09:20,103 INFO L175 Difference]: Start difference. First operand has 138 places, 171 transitions, 825 flow. Second operand 6 states and 600 transitions. [2022-11-21 16:09:20,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 258 transitions, 1691 flow [2022-11-21 16:09:20,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 258 transitions, 1691 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-21 16:09:20,138 INFO L231 Difference]: Finished difference. Result has 142 places, 0 transitions, 0 flow [2022-11-21 16:09:20,139 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=823, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=142, PETRI_TRANSITIONS=0} [2022-11-21 16:09:20,140 INFO L288 CegarLoopForPetriNet]: 146 programPoint places, -4 predicate places. [2022-11-21 16:09:20,140 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 0 transitions, 0 flow [2022-11-21 16:09:20,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.16666666666667) internal successors, (523), 6 states have internal predecessors, (523), 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) [2022-11-21 16:09:20,143 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (67 of 68 remaining) [2022-11-21 16:09:20,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (66 of 68 remaining) [2022-11-21 16:09:20,144 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (65 of 68 remaining) [2022-11-21 16:09:20,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (64 of 68 remaining) [2022-11-21 16:09:20,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (63 of 68 remaining) [2022-11-21 16:09:20,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (62 of 68 remaining) [2022-11-21 16:09:20,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (61 of 68 remaining) [2022-11-21 16:09:20,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (60 of 68 remaining) [2022-11-21 16:09:20,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (59 of 68 remaining) [2022-11-21 16:09:20,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (58 of 68 remaining) [2022-11-21 16:09:20,152 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (57 of 68 remaining) [2022-11-21 16:09:20,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (56 of 68 remaining) [2022-11-21 16:09:20,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (55 of 68 remaining) [2022-11-21 16:09:20,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (54 of 68 remaining) [2022-11-21 16:09:20,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (53 of 68 remaining) [2022-11-21 16:09:20,153 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (52 of 68 remaining) [2022-11-21 16:09:20,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 68 remaining) [2022-11-21 16:09:20,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 68 remaining) [2022-11-21 16:09:20,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (49 of 68 remaining) [2022-11-21 16:09:20,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (48 of 68 remaining) [2022-11-21 16:09:20,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (47 of 68 remaining) [2022-11-21 16:09:20,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (46 of 68 remaining) [2022-11-21 16:09:20,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (45 of 68 remaining) [2022-11-21 16:09:20,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (44 of 68 remaining) [2022-11-21 16:09:20,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 68 remaining) [2022-11-21 16:09:20,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (42 of 68 remaining) [2022-11-21 16:09:20,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 68 remaining) [2022-11-21 16:09:20,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 68 remaining) [2022-11-21 16:09:20,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 68 remaining) [2022-11-21 16:09:20,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 68 remaining) [2022-11-21 16:09:20,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (37 of 68 remaining) [2022-11-21 16:09:20,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (36 of 68 remaining) [2022-11-21 16:09:20,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 68 remaining) [2022-11-21 16:09:20,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 68 remaining) [2022-11-21 16:09:20,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 68 remaining) [2022-11-21 16:09:20,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 68 remaining) [2022-11-21 16:09:20,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONDATA_RACE (31 of 68 remaining) [2022-11-21 16:09:20,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err1ASSERT_VIOLATIONDATA_RACE (30 of 68 remaining) [2022-11-21 16:09:20,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err3ASSERT_VIOLATIONDATA_RACE (29 of 68 remaining) [2022-11-21 16:09:20,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err2ASSERT_VIOLATIONDATA_RACE (28 of 68 remaining) [2022-11-21 16:09:20,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err4ASSERT_VIOLATIONDATA_RACE (27 of 68 remaining) [2022-11-21 16:09:20,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err5ASSERT_VIOLATIONDATA_RACE (26 of 68 remaining) [2022-11-21 16:09:20,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err8ASSERT_VIOLATIONDATA_RACE (25 of 68 remaining) [2022-11-21 16:09:20,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err6ASSERT_VIOLATIONDATA_RACE (24 of 68 remaining) [2022-11-21 16:09:20,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err9ASSERT_VIOLATIONDATA_RACE (23 of 68 remaining) [2022-11-21 16:09:20,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err7ASSERT_VIOLATIONDATA_RACE (22 of 68 remaining) [2022-11-21 16:09:20,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err10ASSERT_VIOLATIONDATA_RACE (21 of 68 remaining) [2022-11-21 16:09:20,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err11ASSERT_VIOLATIONDATA_RACE (20 of 68 remaining) [2022-11-21 16:09:20,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err12ASSERT_VIOLATIONDATA_RACE (19 of 68 remaining) [2022-11-21 16:09:20,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err13ASSERT_VIOLATIONDATA_RACE (18 of 68 remaining) [2022-11-21 16:09:20,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err15ASSERT_VIOLATIONDATA_RACE (17 of 68 remaining) [2022-11-21 16:09:20,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err14ASSERT_VIOLATIONDATA_RACE (16 of 68 remaining) [2022-11-21 16:09:20,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 68 remaining) [2022-11-21 16:09:20,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 68 remaining) [2022-11-21 16:09:20,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err3ASSERT_VIOLATIONDATA_RACE (13 of 68 remaining) [2022-11-21 16:09:20,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err2ASSERT_VIOLATIONDATA_RACE (12 of 68 remaining) [2022-11-21 16:09:20,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err4ASSERT_VIOLATIONDATA_RACE (11 of 68 remaining) [2022-11-21 16:09:20,166 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 68 remaining) [2022-11-21 16:09:20,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err8ASSERT_VIOLATIONDATA_RACE (9 of 68 remaining) [2022-11-21 16:09:20,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (8 of 68 remaining) [2022-11-21 16:09:20,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (7 of 68 remaining) [2022-11-21 16:09:20,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err7ASSERT_VIOLATIONDATA_RACE (6 of 68 remaining) [2022-11-21 16:09:20,167 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err10ASSERT_VIOLATIONDATA_RACE (5 of 68 remaining) [2022-11-21 16:09:20,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 68 remaining) [2022-11-21 16:09:20,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 68 remaining) [2022-11-21 16:09:20,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 68 remaining) [2022-11-21 16:09:20,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err15ASSERT_VIOLATIONDATA_RACE (1 of 68 remaining) [2022-11-21 16:09:20,168 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err14ASSERT_VIOLATIONDATA_RACE (0 of 68 remaining) [2022-11-21 16:09:20,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 16:09:20,169 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2022-11-21 16:09:20,176 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 16:09:20,177 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 16:09:20,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 04:09:20 BasicIcfg [2022-11-21 16:09:20,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 16:09:20,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:09:20,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:09:20,184 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:09:20,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:09:12" (3/4) ... [2022-11-21 16:09:20,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 16:09:20,193 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr2 [2022-11-21 16:09:20,193 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thr1 [2022-11-21 16:09:20,198 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 16:09:20,199 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 16:09:20,199 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 16:09:20,199 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 16:09:20,248 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:09:20,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:09:20,248 INFO L158 Benchmark]: Toolchain (without parser) took 9562.08ms. Allocated memory was 203.4MB in the beginning and 474.0MB in the end (delta: 270.5MB). Free memory was 156.8MB in the beginning and 339.0MB in the end (delta: -182.2MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2022-11-21 16:09:20,249 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:09:20,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.65ms. Allocated memory is still 203.4MB. Free memory was 156.2MB in the beginning and 135.1MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 16:09:20,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.67ms. Allocated memory is still 203.4MB. Free memory was 135.1MB in the beginning and 133.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:09:20,250 INFO L158 Benchmark]: Boogie Preprocessor took 37.38ms. Allocated memory is still 203.4MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:09:20,250 INFO L158 Benchmark]: RCFGBuilder took 831.17ms. Allocated memory is still 203.4MB. Free memory was 131.0MB in the beginning and 103.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 16:09:20,250 INFO L158 Benchmark]: TraceAbstraction took 7937.42ms. Allocated memory was 203.4MB in the beginning and 474.0MB in the end (delta: 270.5MB). Free memory was 103.0MB in the beginning and 341.1MB in the end (delta: -238.1MB). Peak memory consumption was 175.7MB. Max. memory is 16.1GB. [2022-11-21 16:09:20,251 INFO L158 Benchmark]: Witness Printer took 64.59ms. Allocated memory is still 474.0MB. Free memory was 341.1MB in the beginning and 339.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:09:20,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.65ms. Allocated memory is still 203.4MB. Free memory was 156.2MB in the beginning and 135.1MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.67ms. Allocated memory is still 203.4MB. Free memory was 135.1MB in the beginning and 133.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.38ms. Allocated memory is still 203.4MB. Free memory was 133.1MB in the beginning and 131.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 831.17ms. Allocated memory is still 203.4MB. Free memory was 131.0MB in the beginning and 103.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7937.42ms. Allocated memory was 203.4MB in the beginning and 474.0MB in the end (delta: 270.5MB). Free memory was 103.0MB in the beginning and 341.1MB in the end (delta: -238.1MB). Peak memory consumption was 175.7MB. Max. memory is 16.1GB. * Witness Printer took 64.59ms. Allocated memory is still 474.0MB. Free memory was 341.1MB in the beginning and 339.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 764]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 772]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 768]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 775]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 779]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 791]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 782]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 794]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 786]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 798]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 801]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 802]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 804]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 812]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 808]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 715]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 718]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 729]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 741]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 744]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 745]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 747]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 755]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 820]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 821]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 250 locations, 68 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: 7.7s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 414 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 414 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1478 IncrementalHoareTripleChecker+Invalid, 1546 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 120 mSDtfsCounter, 1478 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=825occurred in iteration=8, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 400 NumberOfCodeBlocks, 400 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 391 ConstructedInterpolants, 0 QuantifiedInterpolants, 589 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 16:09:20,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_341e2494-52be-4d71-8c85-e1f7364603a0/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE