./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c --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_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/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_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/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_ca8b5931-3afa-4e49-80c5-45ea656457c5/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 fafa05b72e6925548935fa790281a49d4bca5cad8ef15917dd3e0ea4e3ccb38f --- 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 09:09:04,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:09:04,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:09:04,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:09:04,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:09:04,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:09:04,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:09:04,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:09:04,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:09:04,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:09:04,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:09:04,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:09:04,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:09:04,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:09:04,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:09:04,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:09:04,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:09:04,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:09:04,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:09:04,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:09:04,803 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:09:04,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:09:04,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:09:04,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:09:04,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:09:04,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:09:04,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:09:04,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:09:04,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:09:04,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:09:04,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:09:04,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:09:04,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:09:04,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:09:04,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:09:04,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:09:04,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:09:04,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:09:04,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:09:04,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:09:04,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:09:04,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 09:09:04,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:09:04,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:09:04,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:09:04,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:09:04,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:09:04,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:09:04,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:09:04,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:09:04,853 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:09:04,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:09:04,854 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:09:04,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:09:04,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:09:04,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:09:04,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:09:04,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:09:04,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:09:04,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:09:04,856 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 09:09:04,856 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:09:04,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:09:04,857 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:09:04,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:09:04,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:09:04,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:09:04,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:09:04,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:09:04,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:09:04,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:09:04,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:09:04,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:09:04,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:09:04,860 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:09:04,860 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:09:04,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:09:04,861 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_ca8b5931-3afa-4e49-80c5-45ea656457c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fafa05b72e6925548935fa790281a49d4bca5cad8ef15917dd3e0ea4e3ccb38f [2022-11-21 09:09:05,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:09:05,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:09:05,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:09:05,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:09:05,162 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:09:05,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-11-21 09:09:08,272 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:09:08,531 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:09:08,532 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2022-11-21 09:09:08,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/data/d6451b264/e7007faa29f54803b4eedd29c44f868f/FLAG1f079e68d [2022-11-21 09:09:08,554 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/data/d6451b264/e7007faa29f54803b4eedd29c44f868f [2022-11-21 09:09:08,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:09:08,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:09:08,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:09:08,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:09:08,563 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:09:08,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f2c9da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08, skipping insertion in model container [2022-11-21 09:09:08,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:09:08,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:09:08,789 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_ca8b5931-3afa-4e49-80c5-45ea656457c5/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-11-21 09:09:08,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:09:08,808 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:09:08,851 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_ca8b5931-3afa-4e49-80c5-45ea656457c5/sv-benchmarks/c/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2252,2265] [2022-11-21 09:09:08,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:09:08,866 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:09:08,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08 WrapperNode [2022-11-21 09:09:08,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:09:08,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:09:08,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:09:08,869 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:09:08,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,924 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2022-11-21 09:09:08,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:09:08,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:09:08,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:09:08,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:09:08,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:09:08,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:09:08,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:09:08,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:09:08,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (1/1) ... [2022-11-21 09:09:08,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:09:08,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:09:09,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:09:09,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:09:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:09:09,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 09:09:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 09:09:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 09:09:09,055 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 09:09:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:09:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:09:09,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:09:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 09:09:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 09:09:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:09:09,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:09:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:09:09,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:09:09,058 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 09:09:09,243 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:09:09,245 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:09:09,700 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:09:09,900 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:09:09,900 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 09:09:09,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:09:09 BoogieIcfgContainer [2022-11-21 09:09:09,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:09:09,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:09:09,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:09:09,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:09:09,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:09:08" (1/3) ... [2022-11-21 09:09:09,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a59be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:09:09, skipping insertion in model container [2022-11-21 09:09:09,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:08" (2/3) ... [2022-11-21 09:09:09,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17a59be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:09:09, skipping insertion in model container [2022-11-21 09:09:09,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:09:09" (3/3) ... [2022-11-21 09:09:09,916 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2022-11-21 09:09:09,926 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 09:09:09,937 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:09:09,937 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-21 09:09:09,938 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 09:09:10,018 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-21 09:09:10,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 194 transitions, 404 flow [2022-11-21 09:09:10,161 INFO L130 PetriNetUnfolder]: 10/192 cut-off events. [2022-11-21 09:09:10,162 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-21 09:09:10,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 201 conditions, 192 events. 10/192 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 195 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 133. Up to 2 conditions per place. [2022-11-21 09:09:10,169 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 194 transitions, 404 flow [2022-11-21 09:09:10,175 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 172 places, 174 transitions, 360 flow [2022-11-21 09:09:10,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:09:10,191 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;@10c7182, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:09:10,192 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2022-11-21 09:09:10,198 INFO L130 PetriNetUnfolder]: 0/22 cut-off events. [2022-11-21 09:09:10,199 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:09:10,199 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:10,200 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 09:09:10,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:10,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:10,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1693973755, now seen corresponding path program 1 times [2022-11-21 09:09:10,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:10,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090555064] [2022-11-21 09:09:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:10,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:10,452 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 09:09:10,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:10,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090555064] [2022-11-21 09:09:10,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090555064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:10,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:10,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:10,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980629724] [2022-11-21 09:09:10,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:10,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:10,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:10,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:10,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:10,510 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 194 [2022-11-21 09:09:10,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 172 places, 174 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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 09:09:10,514 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:10,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 194 [2022-11-21 09:09:10,515 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:10,625 INFO L130 PetriNetUnfolder]: 7/155 cut-off events. [2022-11-21 09:09:10,625 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-21 09:09:10,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 155 events. 7/155 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 109 event pairs, 0 based on Foata normal form. 6/138 useless extension candidates. Maximal degree in co-relation 137. Up to 23 conditions per place. [2022-11-21 09:09:10,631 INFO L137 encePairwiseOnDemand]: 171/194 looper letters, 20 selfloop transitions, 2 changer transitions 2/153 dead transitions. [2022-11-21 09:09:10,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 153 transitions, 362 flow [2022-11-21 09:09:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:10,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:10,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions. [2022-11-21 09:09:10,655 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8367697594501718 [2022-11-21 09:09:10,655 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 487 transitions. [2022-11-21 09:09:10,656 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 487 transitions. [2022-11-21 09:09:10,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:10,661 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 487 transitions. [2022-11-21 09:09:10,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:09:10,675 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:10,676 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:10,677 INFO L175 Difference]: Start difference. First operand has 172 places, 174 transitions, 360 flow. Second operand 3 states and 487 transitions. [2022-11-21 09:09:10,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 153 transitions, 362 flow [2022-11-21 09:09:10,681 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 153 transitions, 354 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:09:10,685 INFO L231 Difference]: Finished difference. Result has 153 places, 151 transitions, 310 flow [2022-11-21 09:09:10,687 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=310, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=153, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=310, PETRI_PLACES=153, PETRI_TRANSITIONS=151} [2022-11-21 09:09:10,691 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -19 predicate places. [2022-11-21 09:09:10,691 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 151 transitions, 310 flow [2022-11-21 09:09:10,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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 09:09:10,692 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:10,692 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] [2022-11-21 09:09:10,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:09:10,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:10,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:10,693 INFO L85 PathProgramCache]: Analyzing trace with hash 428285058, now seen corresponding path program 1 times [2022-11-21 09:09:10,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:10,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963493938] [2022-11-21 09:09:10,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:10,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:10,751 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 09:09:10,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:10,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963493938] [2022-11-21 09:09:10,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963493938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:10,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:10,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:10,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76798822] [2022-11-21 09:09:10,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:10,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:10,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:10,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:10,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:10,756 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 194 [2022-11-21 09:09:10,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 151 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:09:10,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:10,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 194 [2022-11-21 09:09:10,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:10,811 INFO L130 PetriNetUnfolder]: 13/168 cut-off events. [2022-11-21 09:09:10,812 INFO L131 PetriNetUnfolder]: For 2/5 co-relation queries the response was YES. [2022-11-21 09:09:10,812 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206 conditions, 168 events. 13/168 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 180 event pairs, 3 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 175. Up to 27 conditions per place. [2022-11-21 09:09:10,813 INFO L137 encePairwiseOnDemand]: 191/194 looper letters, 15 selfloop transitions, 2 changer transitions 0/150 dead transitions. [2022-11-21 09:09:10,813 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 150 transitions, 342 flow [2022-11-21 09:09:10,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:10,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2022-11-21 09:09:10,815 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8247422680412371 [2022-11-21 09:09:10,816 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 480 transitions. [2022-11-21 09:09:10,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 480 transitions. [2022-11-21 09:09:10,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:10,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 480 transitions. [2022-11-21 09:09:10,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 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 09:09:10,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:10,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:10,820 INFO L175 Difference]: Start difference. First operand has 153 places, 151 transitions, 310 flow. Second operand 3 states and 480 transitions. [2022-11-21 09:09:10,820 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 150 transitions, 342 flow [2022-11-21 09:09:10,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 150 transitions, 338 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:10,849 INFO L231 Difference]: Finished difference. Result has 150 places, 150 transitions, 308 flow [2022-11-21 09:09:10,850 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=308, PETRI_PLACES=150, PETRI_TRANSITIONS=150} [2022-11-21 09:09:10,850 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -22 predicate places. [2022-11-21 09:09:10,851 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 150 transitions, 308 flow [2022-11-21 09:09:10,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:09:10,851 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:10,851 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:10,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:09:10,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:10,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1292243115, now seen corresponding path program 1 times [2022-11-21 09:09:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:10,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059961379] [2022-11-21 09:09:10,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:10,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:10,985 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 09:09:10,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:10,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059961379] [2022-11-21 09:09:10,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059961379] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:10,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:10,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:10,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252566275] [2022-11-21 09:09:10,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:10,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:10,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:10,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:10,991 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 194 [2022-11-21 09:09:10,992 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 150 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:09:10,992 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:10,992 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 194 [2022-11-21 09:09:10,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:11,065 INFO L130 PetriNetUnfolder]: 13/167 cut-off events. [2022-11-21 09:09:11,065 INFO L131 PetriNetUnfolder]: For 5/8 co-relation queries the response was YES. [2022-11-21 09:09:11,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 167 events. 13/167 cut-off events. For 5/8 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 143 event pairs, 3 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 164. Up to 27 conditions per place. [2022-11-21 09:09:11,066 INFO L137 encePairwiseOnDemand]: 191/194 looper letters, 15 selfloop transitions, 2 changer transitions 0/149 dead transitions. [2022-11-21 09:09:11,066 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 149 transitions, 340 flow [2022-11-21 09:09:11,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:11,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 480 transitions. [2022-11-21 09:09:11,069 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8247422680412371 [2022-11-21 09:09:11,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 480 transitions. [2022-11-21 09:09:11,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 480 transitions. [2022-11-21 09:09:11,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:11,072 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 480 transitions. [2022-11-21 09:09:11,074 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.0) internal successors, (480), 3 states have internal predecessors, (480), 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 09:09:11,075 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,076 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,076 INFO L175 Difference]: Start difference. First operand has 150 places, 150 transitions, 308 flow. Second operand 3 states and 480 transitions. [2022-11-21 09:09:11,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 149 transitions, 340 flow [2022-11-21 09:09:11,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 149 transitions, 336 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:11,084 INFO L231 Difference]: Finished difference. Result has 149 places, 149 transitions, 306 flow [2022-11-21 09:09:11,084 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=149, PETRI_TRANSITIONS=149} [2022-11-21 09:09:11,086 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -23 predicate places. [2022-11-21 09:09:11,086 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 149 transitions, 306 flow [2022-11-21 09:09:11,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 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 09:09:11,087 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:11,087 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] [2022-11-21 09:09:11,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:09:11,087 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:11,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:11,088 INFO L85 PathProgramCache]: Analyzing trace with hash 70774315, now seen corresponding path program 1 times [2022-11-21 09:09:11,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:11,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344072275] [2022-11-21 09:09:11,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:11,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:11,182 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 09:09:11,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:11,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344072275] [2022-11-21 09:09:11,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344072275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:11,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:11,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:11,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310126324] [2022-11-21 09:09:11,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:11,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:11,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:11,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:11,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:11,186 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 194 [2022-11-21 09:09:11,186 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 149 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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 09:09:11,187 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:11,187 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 194 [2022-11-21 09:09:11,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:11,279 INFO L130 PetriNetUnfolder]: 28/218 cut-off events. [2022-11-21 09:09:11,279 INFO L131 PetriNetUnfolder]: For 5/22 co-relation queries the response was YES. [2022-11-21 09:09:11,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 289 conditions, 218 events. 28/218 cut-off events. For 5/22 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 431 event pairs, 15 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 244. Up to 60 conditions per place. [2022-11-21 09:09:11,283 INFO L137 encePairwiseOnDemand]: 191/194 looper letters, 21 selfloop transitions, 2 changer transitions 0/148 dead transitions. [2022-11-21 09:09:11,284 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 148 transitions, 350 flow [2022-11-21 09:09:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 468 transitions. [2022-11-21 09:09:11,285 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8041237113402062 [2022-11-21 09:09:11,286 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 468 transitions. [2022-11-21 09:09:11,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 468 transitions. [2022-11-21 09:09:11,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:11,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 468 transitions. [2022-11-21 09:09:11,291 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:09:11,293 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,294 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,294 INFO L175 Difference]: Start difference. First operand has 149 places, 149 transitions, 306 flow. Second operand 3 states and 468 transitions. [2022-11-21 09:09:11,294 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 148 transitions, 350 flow [2022-11-21 09:09:11,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 148 transitions, 346 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:11,298 INFO L231 Difference]: Finished difference. Result has 148 places, 148 transitions, 304 flow [2022-11-21 09:09:11,298 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=148, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=304, PETRI_PLACES=148, PETRI_TRANSITIONS=148} [2022-11-21 09:09:11,304 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -24 predicate places. [2022-11-21 09:09:11,305 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 148 transitions, 304 flow [2022-11-21 09:09:11,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 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 09:09:11,305 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:11,305 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] [2022-11-21 09:09:11,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:09:11,306 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:11,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:11,306 INFO L85 PathProgramCache]: Analyzing trace with hash 770251311, now seen corresponding path program 1 times [2022-11-21 09:09:11,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:11,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034501304] [2022-11-21 09:09:11,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:11,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:11,374 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 09:09:11,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:11,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034501304] [2022-11-21 09:09:11,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034501304] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:11,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:11,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:11,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502683675] [2022-11-21 09:09:11,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:11,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:11,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:11,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:11,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:11,377 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 194 [2022-11-21 09:09:11,378 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 148 transitions, 304 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 09:09:11,378 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:11,378 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 194 [2022-11-21 09:09:11,378 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:11,425 INFO L130 PetriNetUnfolder]: 11/183 cut-off events. [2022-11-21 09:09:11,425 INFO L131 PetriNetUnfolder]: For 4/5 co-relation queries the response was YES. [2022-11-21 09:09:11,426 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 183 events. 11/183 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 228 event pairs, 0 based on Foata normal form. 2/163 useless extension candidates. Maximal degree in co-relation 163. Up to 14 conditions per place. [2022-11-21 09:09:11,427 INFO L137 encePairwiseOnDemand]: 186/194 looper letters, 14 selfloop transitions, 3 changer transitions 5/150 dead transitions. [2022-11-21 09:09:11,427 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 150 transitions, 353 flow [2022-11-21 09:09:11,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:11,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 478 transitions. [2022-11-21 09:09:11,429 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8213058419243986 [2022-11-21 09:09:11,429 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 478 transitions. [2022-11-21 09:09:11,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 478 transitions. [2022-11-21 09:09:11,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:11,430 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 478 transitions. [2022-11-21 09:09:11,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 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 09:09:11,432 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,433 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,433 INFO L175 Difference]: Start difference. First operand has 148 places, 148 transitions, 304 flow. Second operand 3 states and 478 transitions. [2022-11-21 09:09:11,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 150 transitions, 353 flow [2022-11-21 09:09:11,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 150 transitions, 349 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:11,437 INFO L231 Difference]: Finished difference. Result has 145 places, 143 transitions, 302 flow [2022-11-21 09:09:11,437 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=292, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=302, PETRI_PLACES=145, PETRI_TRANSITIONS=143} [2022-11-21 09:09:11,438 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -27 predicate places. [2022-11-21 09:09:11,438 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 143 transitions, 302 flow [2022-11-21 09:09:11,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 09:09:11,438 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:11,439 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:11,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:09:11,439 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:11,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1477153486, now seen corresponding path program 1 times [2022-11-21 09:09:11,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:11,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570558340] [2022-11-21 09:09:11,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:11,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:11,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:11,481 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 09:09:11,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:11,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570558340] [2022-11-21 09:09:11,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570558340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:11,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:11,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:11,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635954052] [2022-11-21 09:09:11,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:11,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:11,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:11,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:11,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:11,484 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 194 [2022-11-21 09:09:11,484 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 143 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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 09:09:11,485 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:11,485 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 194 [2022-11-21 09:09:11,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:11,526 INFO L130 PetriNetUnfolder]: 19/202 cut-off events. [2022-11-21 09:09:11,526 INFO L131 PetriNetUnfolder]: For 15/21 co-relation queries the response was YES. [2022-11-21 09:09:11,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 268 conditions, 202 events. 19/202 cut-off events. For 15/21 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 367 event pairs, 4 based on Foata normal form. 1/176 useless extension candidates. Maximal degree in co-relation 116. Up to 27 conditions per place. [2022-11-21 09:09:11,527 INFO L137 encePairwiseOnDemand]: 189/194 looper letters, 12 selfloop transitions, 4 changer transitions 0/144 dead transitions. [2022-11-21 09:09:11,528 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 144 transitions, 339 flow [2022-11-21 09:09:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:11,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:11,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 487 transitions. [2022-11-21 09:09:11,530 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8367697594501718 [2022-11-21 09:09:11,530 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 487 transitions. [2022-11-21 09:09:11,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 487 transitions. [2022-11-21 09:09:11,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:11,530 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 487 transitions. [2022-11-21 09:09:11,532 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 162.33333333333334) internal successors, (487), 3 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:09:11,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,534 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,534 INFO L175 Difference]: Start difference. First operand has 145 places, 143 transitions, 302 flow. Second operand 3 states and 487 transitions. [2022-11-21 09:09:11,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 144 transitions, 339 flow [2022-11-21 09:09:11,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 144 transitions, 336 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:09:11,537 INFO L231 Difference]: Finished difference. Result has 142 places, 142 transitions, 311 flow [2022-11-21 09:09:11,537 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=295, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=142, PETRI_TRANSITIONS=142} [2022-11-21 09:09:11,538 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2022-11-21 09:09:11,538 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 142 transitions, 311 flow [2022-11-21 09:09:11,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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 09:09:11,539 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:11,539 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] [2022-11-21 09:09:11,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:09:11,540 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:11,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:11,540 INFO L85 PathProgramCache]: Analyzing trace with hash -956917519, now seen corresponding path program 1 times [2022-11-21 09:09:11,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:11,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989217354] [2022-11-21 09:09:11,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:11,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:11,609 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 09:09:11,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:11,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989217354] [2022-11-21 09:09:11,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989217354] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:11,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:11,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:11,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051711209] [2022-11-21 09:09:11,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:11,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:11,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:11,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:11,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:11,618 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 194 [2022-11-21 09:09:11,619 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 142 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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 09:09:11,619 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:11,619 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 194 [2022-11-21 09:09:11,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:11,697 INFO L130 PetriNetUnfolder]: 32/326 cut-off events. [2022-11-21 09:09:11,698 INFO L131 PetriNetUnfolder]: For 114/124 co-relation queries the response was YES. [2022-11-21 09:09:11,698 INFO L83 FinitePrefix]: Finished finitePrefix Result has 437 conditions, 326 events. 32/326 cut-off events. For 114/124 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1040 event pairs, 2 based on Foata normal form. 0/284 useless extension candidates. Maximal degree in co-relation 215. Up to 37 conditions per place. [2022-11-21 09:09:11,700 INFO L137 encePairwiseOnDemand]: 189/194 looper letters, 15 selfloop transitions, 4 changer transitions 0/146 dead transitions. [2022-11-21 09:09:11,700 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 146 transitions, 370 flow [2022-11-21 09:09:11,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 489 transitions. [2022-11-21 09:09:11,702 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8402061855670103 [2022-11-21 09:09:11,702 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 489 transitions. [2022-11-21 09:09:11,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 489 transitions. [2022-11-21 09:09:11,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:11,703 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 489 transitions. [2022-11-21 09:09:11,704 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.0) internal successors, (489), 3 states have internal predecessors, (489), 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 09:09:11,705 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,706 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,706 INFO L175 Difference]: Start difference. First operand has 142 places, 142 transitions, 311 flow. Second operand 3 states and 489 transitions. [2022-11-21 09:09:11,706 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 146 transitions, 370 flow [2022-11-21 09:09:11,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 146 transitions, 364 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:09:11,710 INFO L231 Difference]: Finished difference. Result has 142 places, 141 transitions, 319 flow [2022-11-21 09:09:11,710 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=303, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=319, PETRI_PLACES=142, PETRI_TRANSITIONS=141} [2022-11-21 09:09:11,711 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2022-11-21 09:09:11,711 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 141 transitions, 319 flow [2022-11-21 09:09:11,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.33333333333334) internal successors, (475), 3 states have internal predecessors, (475), 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 09:09:11,711 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:11,712 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] [2022-11-21 09:09:11,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:09:11,712 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:11,713 INFO L85 PathProgramCache]: Analyzing trace with hash -519335779, now seen corresponding path program 1 times [2022-11-21 09:09:11,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:11,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274932565] [2022-11-21 09:09:11,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:11,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:11,753 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 09:09:11,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:11,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274932565] [2022-11-21 09:09:11,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274932565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:11,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:11,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:11,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928580659] [2022-11-21 09:09:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:11,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:11,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:11,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:11,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:11,756 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 194 [2022-11-21 09:09:11,757 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 141 transitions, 319 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 09:09:11,757 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:11,757 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 194 [2022-11-21 09:09:11,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:11,829 INFO L130 PetriNetUnfolder]: 46/381 cut-off events. [2022-11-21 09:09:11,829 INFO L131 PetriNetUnfolder]: For 98/111 co-relation queries the response was YES. [2022-11-21 09:09:11,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556 conditions, 381 events. 46/381 cut-off events. For 98/111 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1429 event pairs, 24 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 258. Up to 96 conditions per place. [2022-11-21 09:09:11,832 INFO L137 encePairwiseOnDemand]: 189/194 looper letters, 16 selfloop transitions, 1 changer transitions 0/137 dead transitions. [2022-11-21 09:09:11,832 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 137 transitions, 345 flow [2022-11-21 09:09:11,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:11,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 472 transitions. [2022-11-21 09:09:11,834 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8109965635738832 [2022-11-21 09:09:11,834 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 472 transitions. [2022-11-21 09:09:11,834 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 472 transitions. [2022-11-21 09:09:11,835 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:11,835 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 472 transitions. [2022-11-21 09:09:11,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 157.33333333333334) internal successors, (472), 3 states have internal predecessors, (472), 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 09:09:11,838 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,838 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 194.0) internal successors, (776), 4 states have internal predecessors, (776), 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 09:09:11,838 INFO L175 Difference]: Start difference. First operand has 142 places, 141 transitions, 319 flow. Second operand 3 states and 472 transitions. [2022-11-21 09:09:11,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 137 transitions, 345 flow [2022-11-21 09:09:11,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 137 transitions, 341 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:09:11,842 INFO L231 Difference]: Finished difference. Result has 139 places, 137 transitions, 309 flow [2022-11-21 09:09:11,842 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=307, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=309, PETRI_PLACES=139, PETRI_TRANSITIONS=137} [2022-11-21 09:09:11,843 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -33 predicate places. [2022-11-21 09:09:11,843 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 137 transitions, 309 flow [2022-11-21 09:09:11,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 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 09:09:11,844 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:11,844 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:11,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:09:11,844 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:11,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:11,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1678404734, now seen corresponding path program 1 times [2022-11-21 09:09:11,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:11,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056636535] [2022-11-21 09:09:11,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:11,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:12,369 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 09:09:12,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:12,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056636535] [2022-11-21 09:09:12,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056636535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:12,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:12,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:09:12,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666759534] [2022-11-21 09:09:12,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:12,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:09:12,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:12,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:09:12,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:09:12,373 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 194 [2022-11-21 09:09:12,374 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 309 flow. Second operand has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 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 09:09:12,375 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:12,375 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 194 [2022-11-21 09:09:12,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:12,522 INFO L130 PetriNetUnfolder]: 77/372 cut-off events. [2022-11-21 09:09:12,522 INFO L131 PetriNetUnfolder]: For 230/261 co-relation queries the response was YES. [2022-11-21 09:09:12,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 372 events. 77/372 cut-off events. For 230/261 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1216 event pairs, 5 based on Foata normal form. 8/357 useless extension candidates. Maximal degree in co-relation 399. Up to 75 conditions per place. [2022-11-21 09:09:12,525 INFO L137 encePairwiseOnDemand]: 189/194 looper letters, 34 selfloop transitions, 4 changer transitions 0/152 dead transitions. [2022-11-21 09:09:12,525 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 152 transitions, 479 flow [2022-11-21 09:09:12,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:09:12,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:09:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 917 transitions. [2022-11-21 09:09:12,532 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7878006872852233 [2022-11-21 09:09:12,533 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 917 transitions. [2022-11-21 09:09:12,533 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 917 transitions. [2022-11-21 09:09:12,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:12,533 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 917 transitions. [2022-11-21 09:09:12,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.83333333333334) internal successors, (917), 6 states have internal predecessors, (917), 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 09:09:12,538 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 194.0) internal successors, (1358), 7 states have internal predecessors, (1358), 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 09:09:12,538 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 194.0) internal successors, (1358), 7 states have internal predecessors, (1358), 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 09:09:12,539 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 309 flow. Second operand 6 states and 917 transitions. [2022-11-21 09:09:12,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 152 transitions, 479 flow [2022-11-21 09:09:12,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 152 transitions, 478 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:09:12,543 INFO L231 Difference]: Finished difference. Result has 142 places, 136 transitions, 314 flow [2022-11-21 09:09:12,543 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=314, PETRI_PLACES=142, PETRI_TRANSITIONS=136} [2022-11-21 09:09:12,545 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2022-11-21 09:09:12,545 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 136 transitions, 314 flow [2022-11-21 09:09:12,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 149.83333333333334) internal successors, (899), 6 states have internal predecessors, (899), 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 09:09:12,546 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:12,546 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:09:12,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:09:12,546 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 52 more)] === [2022-11-21 09:09:12,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:12,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1867628671, now seen corresponding path program 1 times [2022-11-21 09:09:12,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:12,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624701584] [2022-11-21 09:09:12,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:12,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:13,025 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 09:09:13,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:13,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624701584] [2022-11-21 09:09:13,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624701584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:13,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:13,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:09:13,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146789263] [2022-11-21 09:09:13,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:13,026 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:09:13,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:13,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:09:13,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:09:13,028 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 194 [2022-11-21 09:09:13,029 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 136 transitions, 314 flow. Second operand has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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 09:09:13,029 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:13,029 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 194 [2022-11-21 09:09:13,029 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:13,127 INFO L130 PetriNetUnfolder]: 74/338 cut-off events. [2022-11-21 09:09:13,127 INFO L131 PetriNetUnfolder]: For 225/243 co-relation queries the response was YES. [2022-11-21 09:09:13,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 660 conditions, 338 events. 74/338 cut-off events. For 225/243 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1051 event pairs, 19 based on Foata normal form. 0/316 useless extension candidates. Maximal degree in co-relation 375. Up to 107 conditions per place. [2022-11-21 09:09:13,129 INFO L137 encePairwiseOnDemand]: 189/194 looper letters, 0 selfloop transitions, 0 changer transitions 143/143 dead transitions. [2022-11-21 09:09:13,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 143 transitions, 418 flow [2022-11-21 09:09:13,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:09:13,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:09:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 912 transitions. [2022-11-21 09:09:13,131 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7835051546391752 [2022-11-21 09:09:13,132 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 912 transitions. [2022-11-21 09:09:13,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 912 transitions. [2022-11-21 09:09:13,132 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:13,133 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 912 transitions. [2022-11-21 09:09:13,135 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 152.0) internal successors, (912), 6 states have internal predecessors, (912), 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 09:09:13,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 194.0) internal successors, (1358), 7 states have internal predecessors, (1358), 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 09:09:13,138 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 194.0) internal successors, (1358), 7 states have internal predecessors, (1358), 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 09:09:13,138 INFO L175 Difference]: Start difference. First operand has 142 places, 136 transitions, 314 flow. Second operand 6 states and 912 transitions. [2022-11-21 09:09:13,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 143 transitions, 418 flow [2022-11-21 09:09:13,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 143 transitions, 411 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:09:13,141 INFO L231 Difference]: Finished difference. Result has 142 places, 0 transitions, 0 flow [2022-11-21 09:09:13,141 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=194, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=137, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=135, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=142, PETRI_TRANSITIONS=0} [2022-11-21 09:09:13,141 INFO L288 CegarLoopForPetriNet]: 172 programPoint places, -30 predicate places. [2022-11-21 09:09:13,142 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 0 transitions, 0 flow [2022-11-21 09:09:13,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 150.83333333333334) internal successors, (905), 6 states have internal predecessors, (905), 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 09:09:13,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 56 remaining) [2022-11-21 09:09:13,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 56 remaining) [2022-11-21 09:09:13,145 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 56 remaining) [2022-11-21 09:09:13,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 56 remaining) [2022-11-21 09:09:13,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 56 remaining) [2022-11-21 09:09:13,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 56 remaining) [2022-11-21 09:09:13,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 56 remaining) [2022-11-21 09:09:13,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 56 remaining) [2022-11-21 09:09:13,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 56 remaining) [2022-11-21 09:09:13,146 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 56 remaining) [2022-11-21 09:09:13,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (45 of 56 remaining) [2022-11-21 09:09:13,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (44 of 56 remaining) [2022-11-21 09:09:13,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (43 of 56 remaining) [2022-11-21 09:09:13,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 56 remaining) [2022-11-21 09:09:13,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (41 of 56 remaining) [2022-11-21 09:09:13,147 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (40 of 56 remaining) [2022-11-21 09:09:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (39 of 56 remaining) [2022-11-21 09:09:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 56 remaining) [2022-11-21 09:09:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (37 of 56 remaining) [2022-11-21 09:09:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 56 remaining) [2022-11-21 09:09:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 56 remaining) [2022-11-21 09:09:13,148 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 56 remaining) [2022-11-21 09:09:13,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 56 remaining) [2022-11-21 09:09:13,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 56 remaining) [2022-11-21 09:09:13,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 56 remaining) [2022-11-21 09:09:13,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 56 remaining) [2022-11-21 09:09:13,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 56 remaining) [2022-11-21 09:09:13,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 56 remaining) [2022-11-21 09:09:13,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 56 remaining) [2022-11-21 09:09:13,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 56 remaining) [2022-11-21 09:09:13,150 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 56 remaining) [2022-11-21 09:09:13,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 56 remaining) [2022-11-21 09:09:13,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (23 of 56 remaining) [2022-11-21 09:09:13,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (22 of 56 remaining) [2022-11-21 09:09:13,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (21 of 56 remaining) [2022-11-21 09:09:13,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (20 of 56 remaining) [2022-11-21 09:09:13,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (19 of 56 remaining) [2022-11-21 09:09:13,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (18 of 56 remaining) [2022-11-21 09:09:13,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (17 of 56 remaining) [2022-11-21 09:09:13,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (16 of 56 remaining) [2022-11-21 09:09:13,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (15 of 56 remaining) [2022-11-21 09:09:13,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (14 of 56 remaining) [2022-11-21 09:09:13,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (13 of 56 remaining) [2022-11-21 09:09:13,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (12 of 56 remaining) [2022-11-21 09:09:13,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (11 of 56 remaining) [2022-11-21 09:09:13,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (10 of 56 remaining) [2022-11-21 09:09:13,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (9 of 56 remaining) [2022-11-21 09:09:13,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (8 of 56 remaining) [2022-11-21 09:09:13,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (7 of 56 remaining) [2022-11-21 09:09:13,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 56 remaining) [2022-11-21 09:09:13,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (5 of 56 remaining) [2022-11-21 09:09:13,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (4 of 56 remaining) [2022-11-21 09:09:13,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (3 of 56 remaining) [2022-11-21 09:09:13,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (2 of 56 remaining) [2022-11-21 09:09:13,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (1 of 56 remaining) [2022-11-21 09:09:13,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 56 remaining) [2022-11-21 09:09:13,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:09:13,163 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:13,168 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 09:09:13,168 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:09:13,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:09:13 BasicIcfg [2022-11-21 09:09:13,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:09:13,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:09:13,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:09:13,174 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:09:13,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:09:09" (3/4) ... [2022-11-21 09:09:13,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:09:13,183 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 09:09:13,183 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 09:09:13,188 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-21 09:09:13,188 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 09:09:13,189 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:09:13,189 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:09:13,225 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:09:13,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:09:13,226 INFO L158 Benchmark]: Toolchain (without parser) took 4668.50ms. Allocated memory was 138.4MB in the beginning and 218.1MB in the end (delta: 79.7MB). Free memory was 106.5MB in the beginning and 179.9MB in the end (delta: -73.5MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-11-21 09:09:13,227 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:09:13,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.59ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 95.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:09:13,227 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.98ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:09:13,227 INFO L158 Benchmark]: Boogie Preprocessor took 40.41ms. Allocated memory is still 138.4MB. Free memory was 93.0MB in the beginning and 91.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:09:13,228 INFO L158 Benchmark]: RCFGBuilder took 935.48ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 91.2MB in the beginning and 149.0MB in the end (delta: -57.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2022-11-21 09:09:13,228 INFO L158 Benchmark]: TraceAbstraction took 3266.94ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 149.0MB in the beginning and 183.1MB in the end (delta: -34.1MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. [2022-11-21 09:09:13,228 INFO L158 Benchmark]: Witness Printer took 51.64ms. Allocated memory is still 218.1MB. Free memory was 183.1MB in the beginning and 179.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:09:13,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 138.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.59ms. Allocated memory is still 138.4MB. Free memory was 106.5MB in the beginning and 95.0MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.98ms. Allocated memory is still 138.4MB. Free memory was 95.0MB in the beginning and 93.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.41ms. Allocated memory is still 138.4MB. Free memory was 93.0MB in the beginning and 91.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 935.48ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 91.2MB in the beginning and 149.0MB in the end (delta: -57.7MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3266.94ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 149.0MB in the beginning and 183.1MB in the end (delta: -34.1MB). Peak memory consumption was 124.5MB. Max. memory is 16.1GB. * Witness Printer took 51.64ms. Allocated memory is still 218.1MB. Free memory was 183.1MB in the beginning and 179.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: 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, 225 locations, 56 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: 3.1s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 247 IncrementalHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 87 mSDtfsCounter, 247 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=0, InterpolantAutomatonStates: 36, 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, 549 NumberOfCodeBlocks, 549 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 539 ConstructedInterpolants, 0 QuantifiedInterpolants, 717 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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 09:09:13,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8b5931-3afa-4e49-80c5-45ea656457c5/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