./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8 --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 d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 --- 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-e04fb08 [2022-11-16 11:08:32,852 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:08:32,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:08:32,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:08:32,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:08:32,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:08:32,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:08:32,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:08:32,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:08:32,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:08:32,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:08:32,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:08:32,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:08:32,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:08:32,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:08:32,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:08:32,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:08:32,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:08:32,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:08:32,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:08:32,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:08:32,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:08:32,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:08:32,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:08:32,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:08:32,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:08:32,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:08:32,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:08:32,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:08:32,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:08:32,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:08:32,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:08:32,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:08:32,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:08:32,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:08:32,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:08:32,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:08:32,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:08:32,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:08:32,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:08:32,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:08:32,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:08:33,030 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:08:33,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:08:33,032 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:08:33,032 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:08:33,033 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:08:33,033 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:08:33,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:08:33,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:08:33,035 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:08:33,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:08:33,036 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:08:33,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:08:33,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:08:33,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:08:33,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:08:33,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:08:33,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:08:33,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:08:33,038 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:08:33,051 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:08:33,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:08:33,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:08:33,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:08:33,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:08:33,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:08:33,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:08:33,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:33,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:08:33,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:08:33,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:08:33,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:08:33,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:08:33,054 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:08:33,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:08:33,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:08:33,054 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_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d721a74d879c75d156b7dfbd9383140c70ef6831602ea84a0f8988cd7fdc0c32 [2022-11-16 11:08:33,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:08:33,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:08:33,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:08:33,354 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:08:33,355 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:08:33,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-11-16 11:08:33,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/data/d6066536a/fcd48d5f6cd3424ab28fa2e96971bea3/FLAGd9ca5090f [2022-11-16 11:08:34,016 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:08:34,017 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c [2022-11-16 11:08:34,031 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/data/d6066536a/fcd48d5f6cd3424ab28fa2e96971bea3/FLAGd9ca5090f [2022-11-16 11:08:34,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/data/d6066536a/fcd48d5f6cd3424ab28fa2e96971bea3 [2022-11-16 11:08:34,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:08:34,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:08:34,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:34,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:08:34,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:08:34,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:34,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69af2b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34, skipping insertion in model container [2022-11-16 11:08:34,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:34,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:08:34,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:08:34,798 WARN L229 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_7ac3b0a0-7f30-4105-881f-3043de510249/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-11-16 11:08:34,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:34,815 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:08:34,885 WARN L229 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_7ac3b0a0-7f30-4105-881f-3043de510249/sv-benchmarks/c/weaver/parallel-parallel-sum-equiv.wvr.c[3770,3783] [2022-11-16 11:08:34,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:34,925 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:08:34,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34 WrapperNode [2022-11-16 11:08:34,926 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:34,927 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:34,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:08:34,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:08:34,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:34,967 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,022 INFO L138 Inliner]: procedures = 27, calls = 73, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 419 [2022-11-16 11:08:35,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:35,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:08:35,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:08:35,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:08:35,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,095 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,113 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:08:35,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:08:35,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:08:35,124 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:08:35,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (1/1) ... [2022-11-16 11:08:35,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:35,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:08:35,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:08:35,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:08:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:08:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:08:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:08:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:08:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:08:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:08:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:08:35,221 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:08:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:08:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:08:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 11:08:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 11:08:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:08:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:08:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:08:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:08:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:08:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:08:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:08:35,225 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 11:08:35,437 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:08:35,439 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:08:36,415 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:08:36,770 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:08:36,770 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:08:36,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:36 BoogieIcfgContainer [2022-11-16 11:08:36,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:08:36,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:08:36,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:08:36,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:08:36,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:08:34" (1/3) ... [2022-11-16 11:08:36,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eaaee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:36, skipping insertion in model container [2022-11-16 11:08:36,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:34" (2/3) ... [2022-11-16 11:08:36,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35eaaee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:36, skipping insertion in model container [2022-11-16 11:08:36,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:36" (3/3) ... [2022-11-16 11:08:36,782 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-equiv.wvr.c [2022-11-16 11:08:36,792 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:08:36,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:08:36,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2022-11-16 11:08:36,804 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:08:36,913 INFO L144 ThreadInstanceAdder]: Constructed 10 joinOtherThreadTransitions. [2022-11-16 11:08:36,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 341 places, 342 transitions, 728 flow [2022-11-16 11:08:37,122 INFO L130 PetriNetUnfolder]: 14/321 cut-off events. [2022-11-16 11:08:37,123 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:08:37,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 321 events. 14/321 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 521 event pairs, 0 based on Foata normal form. 0/246 useless extension candidates. Maximal degree in co-relation 261. Up to 3 conditions per place. [2022-11-16 11:08:37,135 INFO L82 GeneralOperation]: Start removeDead. Operand has 341 places, 342 transitions, 728 flow [2022-11-16 11:08:37,149 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 303 places, 303 transitions, 636 flow [2022-11-16 11:08:37,165 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:08:37,174 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;@4ed3ef64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:08:37,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 112 error locations. [2022-11-16 11:08:37,184 INFO L130 PetriNetUnfolder]: 0/27 cut-off events. [2022-11-16 11:08:37,184 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:08:37,184 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:37,185 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] [2022-11-16 11:08:37,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:37,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:37,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1424752124, now seen corresponding path program 1 times [2022-11-16 11:08:37,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:37,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404619608] [2022-11-16 11:08:37,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:37,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:37,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:37,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:37,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404619608] [2022-11-16 11:08:37,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404619608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:37,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:37,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:37,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345830277] [2022-11-16 11:08:37,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:37,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:37,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:37,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:37,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:37,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 344 [2022-11-16 11:08:37,541 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 303 places, 303 transitions, 636 flow. Second operand has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:37,541 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:37,542 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 344 [2022-11-16 11:08:37,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:38,008 INFO L130 PetriNetUnfolder]: 191/781 cut-off events. [2022-11-16 11:08:38,008 INFO L131 PetriNetUnfolder]: For 144/276 co-relation queries the response was YES. [2022-11-16 11:08:38,015 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 781 events. 191/781 cut-off events. For 144/276 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3138 event pairs, 111 based on Foata normal form. 63/754 useless extension candidates. Maximal degree in co-relation 973. Up to 295 conditions per place. [2022-11-16 11:08:38,021 INFO L137 encePairwiseOnDemand]: 291/344 looper letters, 30 selfloop transitions, 2 changer transitions 3/252 dead transitions. [2022-11-16 11:08:38,021 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 261 places, 252 transitions, 598 flow [2022-11-16 11:08:38,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:38,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 848 transitions. [2022-11-16 11:08:38,045 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8217054263565892 [2022-11-16 11:08:38,046 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 848 transitions. [2022-11-16 11:08:38,047 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 848 transitions. [2022-11-16 11:08:38,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:38,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 848 transitions. [2022-11-16 11:08:38,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 282.6666666666667) internal successors, (848), 3 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,073 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,075 INFO L175 Difference]: Start difference. First operand has 303 places, 303 transitions, 636 flow. Second operand 3 states and 848 transitions. [2022-11-16 11:08:38,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 261 places, 252 transitions, 598 flow [2022-11-16 11:08:38,086 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 252 transitions, 578 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-16 11:08:38,098 INFO L231 Difference]: Finished difference. Result has 253 places, 249 transitions, 512 flow [2022-11-16 11:08:38,101 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=514, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=250, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=512, PETRI_PLACES=253, PETRI_TRANSITIONS=249} [2022-11-16 11:08:38,105 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -50 predicate places. [2022-11-16 11:08:38,106 INFO L495 AbstractCegarLoop]: Abstraction has has 253 places, 249 transitions, 512 flow [2022-11-16 11:08:38,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 256.3333333333333) internal successors, (769), 3 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,107 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:38,107 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:38,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:08:38,108 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:38,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:38,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1468597786, now seen corresponding path program 1 times [2022-11-16 11:08:38,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:38,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511309492] [2022-11-16 11:08:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:38,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:38,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:38,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:38,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511309492] [2022-11-16 11:08:38,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511309492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:38,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:38,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:38,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134568721] [2022-11-16 11:08:38,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:38,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:38,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:38,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:38,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:38,253 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-16 11:08:38,254 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 253 places, 249 transitions, 512 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,254 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:38,254 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-16 11:08:38,254 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:38,544 INFO L130 PetriNetUnfolder]: 191/777 cut-off events. [2022-11-16 11:08:38,545 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:38,548 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1114 conditions, 777 events. 191/777 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3153 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1078. Up to 292 conditions per place. [2022-11-16 11:08:38,554 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 27 selfloop transitions, 2 changer transitions 0/248 dead transitions. [2022-11-16 11:08:38,554 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 251 places, 248 transitions, 568 flow [2022-11-16 11:08:38,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:38,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 804 transitions. [2022-11-16 11:08:38,557 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7790697674418605 [2022-11-16 11:08:38,557 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 804 transitions. [2022-11-16 11:08:38,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 804 transitions. [2022-11-16 11:08:38,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:38,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 804 transitions. [2022-11-16 11:08:38,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 268.0) internal successors, (804), 3 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,564 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,566 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,566 INFO L175 Difference]: Start difference. First operand has 253 places, 249 transitions, 512 flow. Second operand 3 states and 804 transitions. [2022-11-16 11:08:38,566 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 251 places, 248 transitions, 568 flow [2022-11-16 11:08:38,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 248 transitions, 564 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:38,578 INFO L231 Difference]: Finished difference. Result has 249 places, 248 transitions, 510 flow [2022-11-16 11:08:38,579 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=506, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=248, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=246, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=510, PETRI_PLACES=249, PETRI_TRANSITIONS=248} [2022-11-16 11:08:38,580 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -54 predicate places. [2022-11-16 11:08:38,580 INFO L495 AbstractCegarLoop]: Abstraction has has 249 places, 248 transitions, 510 flow [2022-11-16 11:08:38,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,581 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:38,581 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] [2022-11-16 11:08:38,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:08:38,582 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:38,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:38,582 INFO L85 PathProgramCache]: Analyzing trace with hash 673309952, now seen corresponding path program 1 times [2022-11-16 11:08:38,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:38,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608564286] [2022-11-16 11:08:38,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:38,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:38,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:38,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608564286] [2022-11-16 11:08:38,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608564286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:38,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:38,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:38,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604542129] [2022-11-16 11:08:38,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:38,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:38,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:38,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:38,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:38,694 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:38,696 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 249 places, 248 transitions, 510 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,696 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:38,696 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:38,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:38,944 INFO L130 PetriNetUnfolder]: 191/776 cut-off events. [2022-11-16 11:08:38,945 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:38,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1110 conditions, 776 events. 191/776 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3168 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1067. Up to 289 conditions per place. [2022-11-16 11:08:38,952 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/247 dead transitions. [2022-11-16 11:08:38,952 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 250 places, 247 transitions, 560 flow [2022-11-16 11:08:38,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-16 11:08:38,957 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-16 11:08:38,957 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-16 11:08:38,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-16 11:08:38,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:38,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-16 11:08:38,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,964 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,964 INFO L175 Difference]: Start difference. First operand has 249 places, 248 transitions, 510 flow. Second operand 3 states and 810 transitions. [2022-11-16 11:08:38,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 250 places, 247 transitions, 560 flow [2022-11-16 11:08:38,966 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 248 places, 247 transitions, 556 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:38,969 INFO L231 Difference]: Finished difference. Result has 248 places, 247 transitions, 508 flow [2022-11-16 11:08:38,970 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=245, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=248, PETRI_TRANSITIONS=247} [2022-11-16 11:08:38,972 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -55 predicate places. [2022-11-16 11:08:38,973 INFO L495 AbstractCegarLoop]: Abstraction has has 248 places, 247 transitions, 508 flow [2022-11-16 11:08:38,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:38,974 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:38,974 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:38,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:08:38,974 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:38,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:38,975 INFO L85 PathProgramCache]: Analyzing trace with hash 105389288, now seen corresponding path program 1 times [2022-11-16 11:08:38,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:38,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099208373] [2022-11-16 11:08:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:38,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:39,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:39,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:39,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099208373] [2022-11-16 11:08:39,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099208373] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:39,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:39,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:39,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634786382] [2022-11-16 11:08:39,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:39,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:39,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:39,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:39,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:39,076 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:39,078 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 248 places, 247 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,078 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:39,078 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:39,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:39,351 INFO L130 PetriNetUnfolder]: 191/775 cut-off events. [2022-11-16 11:08:39,352 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:39,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 775 events. 191/775 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3140 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1059. Up to 289 conditions per place. [2022-11-16 11:08:39,358 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/246 dead transitions. [2022-11-16 11:08:39,359 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 246 transitions, 558 flow [2022-11-16 11:08:39,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:39,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-16 11:08:39,365 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-16 11:08:39,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-16 11:08:39,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-16 11:08:39,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:39,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-16 11:08:39,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,374 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,379 INFO L175 Difference]: Start difference. First operand has 248 places, 247 transitions, 508 flow. Second operand 3 states and 810 transitions. [2022-11-16 11:08:39,379 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 246 transitions, 558 flow [2022-11-16 11:08:39,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 246 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:39,385 INFO L231 Difference]: Finished difference. Result has 247 places, 246 transitions, 506 flow [2022-11-16 11:08:39,385 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=502, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=246, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=506, PETRI_PLACES=247, PETRI_TRANSITIONS=246} [2022-11-16 11:08:39,387 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -56 predicate places. [2022-11-16 11:08:39,387 INFO L495 AbstractCegarLoop]: Abstraction has has 247 places, 246 transitions, 506 flow [2022-11-16 11:08:39,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,388 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:39,388 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] [2022-11-16 11:08:39,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:08:39,389 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:39,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:39,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1998559029, now seen corresponding path program 1 times [2022-11-16 11:08:39,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:39,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81619333] [2022-11-16 11:08:39,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:39,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:39,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:39,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:39,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81619333] [2022-11-16 11:08:39,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81619333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:39,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:39,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:39,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685736075] [2022-11-16 11:08:39,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:39,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:39,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:39,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:39,480 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:39,481 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 247 places, 246 transitions, 506 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,481 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:39,481 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:39,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:39,726 INFO L130 PetriNetUnfolder]: 191/774 cut-off events. [2022-11-16 11:08:39,726 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:39,729 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1108 conditions, 774 events. 191/774 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3143 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1051. Up to 289 conditions per place. [2022-11-16 11:08:39,734 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/245 dead transitions. [2022-11-16 11:08:39,734 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 248 places, 245 transitions, 556 flow [2022-11-16 11:08:39,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:39,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:39,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-16 11:08:39,737 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-16 11:08:39,738 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-16 11:08:39,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-16 11:08:39,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:39,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-16 11:08:39,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,745 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,746 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,746 INFO L175 Difference]: Start difference. First operand has 247 places, 246 transitions, 506 flow. Second operand 3 states and 810 transitions. [2022-11-16 11:08:39,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 248 places, 245 transitions, 556 flow [2022-11-16 11:08:39,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 552 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:39,753 INFO L231 Difference]: Finished difference. Result has 246 places, 245 transitions, 504 flow [2022-11-16 11:08:39,754 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=243, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=246, PETRI_TRANSITIONS=245} [2022-11-16 11:08:39,757 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -57 predicate places. [2022-11-16 11:08:39,757 INFO L495 AbstractCegarLoop]: Abstraction has has 246 places, 245 transitions, 504 flow [2022-11-16 11:08:39,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,758 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:39,759 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] [2022-11-16 11:08:39,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:08:39,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:39,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:39,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1776662543, now seen corresponding path program 1 times [2022-11-16 11:08:39,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:39,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874421009] [2022-11-16 11:08:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:39,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:39,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:39,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874421009] [2022-11-16 11:08:39,847 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874421009] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:39,847 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:39,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:39,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932387881] [2022-11-16 11:08:39,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:39,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:39,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:39,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:39,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:39,850 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-16 11:08:39,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 245 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:39,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:39,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-16 11:08:39,852 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:40,065 INFO L130 PetriNetUnfolder]: 191/773 cut-off events. [2022-11-16 11:08:40,065 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:40,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1109 conditions, 773 events. 191/773 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3142 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1045. Up to 291 conditions per place. [2022-11-16 11:08:40,073 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 26 selfloop transitions, 2 changer transitions 0/244 dead transitions. [2022-11-16 11:08:40,073 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 244 transitions, 558 flow [2022-11-16 11:08:40,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:40,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:40,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 803 transitions. [2022-11-16 11:08:40,076 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7781007751937985 [2022-11-16 11:08:40,077 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 803 transitions. [2022-11-16 11:08:40,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 803 transitions. [2022-11-16 11:08:40,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:40,078 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 803 transitions. [2022-11-16 11:08:40,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,083 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,084 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,085 INFO L175 Difference]: Start difference. First operand has 246 places, 245 transitions, 504 flow. Second operand 3 states and 803 transitions. [2022-11-16 11:08:40,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 244 transitions, 558 flow [2022-11-16 11:08:40,087 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 245 places, 244 transitions, 554 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:40,091 INFO L231 Difference]: Finished difference. Result has 245 places, 244 transitions, 502 flow [2022-11-16 11:08:40,091 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=498, PETRI_DIFFERENCE_MINUEND_PLACES=243, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=242, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=502, PETRI_PLACES=245, PETRI_TRANSITIONS=244} [2022-11-16 11:08:40,092 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -58 predicate places. [2022-11-16 11:08:40,092 INFO L495 AbstractCegarLoop]: Abstraction has has 245 places, 244 transitions, 502 flow [2022-11-16 11:08:40,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,093 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:40,094 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] [2022-11-16 11:08:40,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:08:40,094 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:40,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:40,095 INFO L85 PathProgramCache]: Analyzing trace with hash 414685706, now seen corresponding path program 1 times [2022-11-16 11:08:40,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:40,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173470540] [2022-11-16 11:08:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:40,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:40,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:40,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173470540] [2022-11-16 11:08:40,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173470540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:40,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:40,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:40,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876363670] [2022-11-16 11:08:40,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:40,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:40,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:40,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:40,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:40,151 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:40,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 244 transitions, 502 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:40,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:40,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:40,356 INFO L130 PetriNetUnfolder]: 191/772 cut-off events. [2022-11-16 11:08:40,357 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:40,359 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1106 conditions, 772 events. 191/772 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3132 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1035. Up to 289 conditions per place. [2022-11-16 11:08:40,364 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/243 dead transitions. [2022-11-16 11:08:40,364 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 243 transitions, 552 flow [2022-11-16 11:08:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:40,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-16 11:08:40,367 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-16 11:08:40,367 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-16 11:08:40,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-16 11:08:40,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:40,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-16 11:08:40,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,373 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,374 INFO L175 Difference]: Start difference. First operand has 245 places, 244 transitions, 502 flow. Second operand 3 states and 810 transitions. [2022-11-16 11:08:40,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 243 transitions, 552 flow [2022-11-16 11:08:40,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 244 places, 243 transitions, 548 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:40,379 INFO L231 Difference]: Finished difference. Result has 244 places, 243 transitions, 500 flow [2022-11-16 11:08:40,380 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=242, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=241, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=500, PETRI_PLACES=244, PETRI_TRANSITIONS=243} [2022-11-16 11:08:40,380 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -59 predicate places. [2022-11-16 11:08:40,381 INFO L495 AbstractCegarLoop]: Abstraction has has 244 places, 243 transitions, 500 flow [2022-11-16 11:08:40,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,381 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:40,381 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] [2022-11-16 11:08:40,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:08:40,382 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:40,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:40,383 INFO L85 PathProgramCache]: Analyzing trace with hash 596907041, now seen corresponding path program 1 times [2022-11-16 11:08:40,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:40,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260869371] [2022-11-16 11:08:40,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:40,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:40,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:40,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:40,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260869371] [2022-11-16 11:08:40,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260869371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:40,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:40,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:40,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029945949] [2022-11-16 11:08:40,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:40,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:40,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:40,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:40,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:40,430 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:40,431 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 243 transitions, 500 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,431 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:40,431 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:40,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:40,632 INFO L130 PetriNetUnfolder]: 191/771 cut-off events. [2022-11-16 11:08:40,633 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:40,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1105 conditions, 771 events. 191/771 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3120 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1027. Up to 289 conditions per place. [2022-11-16 11:08:40,641 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/242 dead transitions. [2022-11-16 11:08:40,641 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 242 transitions, 550 flow [2022-11-16 11:08:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:40,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:40,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-16 11:08:40,644 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-16 11:08:40,644 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-16 11:08:40,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-16 11:08:40,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:40,645 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-16 11:08:40,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,666 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,667 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,667 INFO L175 Difference]: Start difference. First operand has 244 places, 243 transitions, 500 flow. Second operand 3 states and 810 transitions. [2022-11-16 11:08:40,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 242 transitions, 550 flow [2022-11-16 11:08:40,669 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 242 transitions, 546 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:40,673 INFO L231 Difference]: Finished difference. Result has 243 places, 242 transitions, 498 flow [2022-11-16 11:08:40,673 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=242, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=240, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=243, PETRI_TRANSITIONS=242} [2022-11-16 11:08:40,674 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -60 predicate places. [2022-11-16 11:08:40,674 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 242 transitions, 498 flow [2022-11-16 11:08:40,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,675 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:40,675 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:40,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:08:40,675 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:40,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:40,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1466135010, now seen corresponding path program 1 times [2022-11-16 11:08:40,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:40,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449170773] [2022-11-16 11:08:40,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:40,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:40,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:40,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449170773] [2022-11-16 11:08:40,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449170773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:40,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:40,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:40,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990954986] [2022-11-16 11:08:40,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:40,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:40,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:40,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:40,718 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 258 out of 344 [2022-11-16 11:08:40,719 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 242 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,719 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:40,719 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 258 of 344 [2022-11-16 11:08:40,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:40,892 INFO L130 PetriNetUnfolder]: 191/769 cut-off events. [2022-11-16 11:08:40,892 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:40,895 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1104 conditions, 769 events. 191/769 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3125 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1018. Up to 289 conditions per place. [2022-11-16 11:08:40,899 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 26 selfloop transitions, 1 changer transitions 0/240 dead transitions. [2022-11-16 11:08:40,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 240 transitions, 548 flow [2022-11-16 11:08:40,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:40,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 803 transitions. [2022-11-16 11:08:40,902 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7781007751937985 [2022-11-16 11:08:40,902 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 803 transitions. [2022-11-16 11:08:40,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 803 transitions. [2022-11-16 11:08:40,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:40,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 803 transitions. [2022-11-16 11:08:40,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,908 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,908 INFO L175 Difference]: Start difference. First operand has 243 places, 242 transitions, 498 flow. Second operand 3 states and 803 transitions. [2022-11-16 11:08:40,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 240 transitions, 548 flow [2022-11-16 11:08:40,910 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 240 transitions, 544 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:40,913 INFO L231 Difference]: Finished difference. Result has 241 places, 240 transitions, 492 flow [2022-11-16 11:08:40,914 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=241, PETRI_TRANSITIONS=240} [2022-11-16 11:08:40,915 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-16 11:08:40,915 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 240 transitions, 492 flow [2022-11-16 11:08:40,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 259.3333333333333) internal successors, (778), 3 states have internal predecessors, (778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:40,916 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:40,916 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:40,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:08:40,916 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:40,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:40,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1460252275, now seen corresponding path program 1 times [2022-11-16 11:08:40,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:40,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844097661] [2022-11-16 11:08:40,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:40,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:40,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:41,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:41,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844097661] [2022-11-16 11:08:41,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844097661] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:41,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:41,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:41,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575001626] [2022-11-16 11:08:41,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:41,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:41,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:41,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:41,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:41,005 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:41,006 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 240 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:41,006 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:41,006 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:41,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:41,220 INFO L130 PetriNetUnfolder]: 191/768 cut-off events. [2022-11-16 11:08:41,221 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:41,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1101 conditions, 768 events. 191/768 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 3112 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1016. Up to 289 conditions per place. [2022-11-16 11:08:41,228 INFO L137 encePairwiseOnDemand]: 341/344 looper letters, 24 selfloop transitions, 2 changer transitions 0/239 dead transitions. [2022-11-16 11:08:41,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 242 places, 239 transitions, 542 flow [2022-11-16 11:08:41,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:41,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 810 transitions. [2022-11-16 11:08:41,231 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7848837209302325 [2022-11-16 11:08:41,231 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 810 transitions. [2022-11-16 11:08:41,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 810 transitions. [2022-11-16 11:08:41,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:41,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 810 transitions. [2022-11-16 11:08:41,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 270.0) internal successors, (810), 3 states have internal predecessors, (810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:41,237 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:41,239 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:41,239 INFO L175 Difference]: Start difference. First operand has 241 places, 240 transitions, 492 flow. Second operand 3 states and 810 transitions. [2022-11-16 11:08:41,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 242 places, 239 transitions, 542 flow [2022-11-16 11:08:41,242 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 239 transitions, 541 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:08:41,245 INFO L231 Difference]: Finished difference. Result has 241 places, 239 transitions, 493 flow [2022-11-16 11:08:41,247 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=239, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=239, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=241, PETRI_TRANSITIONS=239} [2022-11-16 11:08:41,249 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-16 11:08:41,249 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 239 transitions, 493 flow [2022-11-16 11:08:41,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:41,250 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:41,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:41,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:08:41,250 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:41,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:41,251 INFO L85 PathProgramCache]: Analyzing trace with hash -474602372, now seen corresponding path program 1 times [2022-11-16 11:08:41,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:41,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571898123] [2022-11-16 11:08:41,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:41,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:41,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:41,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571898123] [2022-11-16 11:08:41,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571898123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:41,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:41,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:08:41,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250461057] [2022-11-16 11:08:41,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:41,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:08:41,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:41,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:08:41,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:08:41,903 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 344 [2022-11-16 11:08:41,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 239 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:41,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:41,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 344 [2022-11-16 11:08:41,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:45,225 INFO L130 PetriNetUnfolder]: 9005/12604 cut-off events. [2022-11-16 11:08:45,226 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:08:45,254 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24476 conditions, 12604 events. 9005/12604 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 549. Compared 69558 event pairs, 6801 based on Foata normal form. 0/11649 useless extension candidates. Maximal degree in co-relation 24392. Up to 11655 conditions per place. [2022-11-16 11:08:45,330 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 56 selfloop transitions, 5 changer transitions 0/238 dead transitions. [2022-11-16 11:08:45,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 238 transitions, 613 flow [2022-11-16 11:08:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:08:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:08:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1382 transitions. [2022-11-16 11:08:45,335 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.6695736434108527 [2022-11-16 11:08:45,335 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1382 transitions. [2022-11-16 11:08:45,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1382 transitions. [2022-11-16 11:08:45,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:45,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1382 transitions. [2022-11-16 11:08:45,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 230.33333333333334) internal successors, (1382), 6 states have internal predecessors, (1382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:45,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:45,353 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:45,353 INFO L175 Difference]: Start difference. First operand has 241 places, 239 transitions, 493 flow. Second operand 6 states and 1382 transitions. [2022-11-16 11:08:45,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 238 transitions, 613 flow [2022-11-16 11:08:45,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 238 transitions, 609 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:08:45,358 INFO L231 Difference]: Finished difference. Result has 243 places, 238 transitions, 497 flow [2022-11-16 11:08:45,359 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=238, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=497, PETRI_PLACES=243, PETRI_TRANSITIONS=238} [2022-11-16 11:08:45,360 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -60 predicate places. [2022-11-16 11:08:45,360 INFO L495 AbstractCegarLoop]: Abstraction has has 243 places, 238 transitions, 497 flow [2022-11-16 11:08:45,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 221.83333333333334) internal successors, (1331), 6 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:45,361 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:45,361 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:45,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:08:45,362 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:45,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:45,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2144490797, now seen corresponding path program 1 times [2022-11-16 11:08:45,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:45,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336067737] [2022-11-16 11:08:45,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:45,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:46,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:46,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336067737] [2022-11-16 11:08:46,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336067737] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:46,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:46,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:08:46,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837956273] [2022-11-16 11:08:46,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:46,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:08:46,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:46,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:08:46,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:08:46,054 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 344 [2022-11-16 11:08:46,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 238 transitions, 497 flow. Second operand has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:46,057 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:46,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 344 [2022-11-16 11:08:46,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:49,150 INFO L130 PetriNetUnfolder]: 9005/12223 cut-off events. [2022-11-16 11:08:49,151 INFO L131 PetriNetUnfolder]: For 85/105 co-relation queries the response was YES. [2022-11-16 11:08:49,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24090 conditions, 12223 events. 9005/12223 cut-off events. For 85/105 co-relation queries the response was YES. Maximal size of possible extension queue 526. Compared 67243 event pairs, 1810 based on Foata normal form. 16/11680 useless extension candidates. Maximal degree in co-relation 24067. Up to 3377 conditions per place. [2022-11-16 11:08:49,259 INFO L137 encePairwiseOnDemand]: 339/344 looper letters, 165 selfloop transitions, 4 changer transitions 0/353 dead transitions. [2022-11-16 11:08:49,259 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 353 transitions, 1089 flow [2022-11-16 11:08:49,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:08:49,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:08:49,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1520 transitions. [2022-11-16 11:08:49,265 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7364341085271318 [2022-11-16 11:08:49,266 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1520 transitions. [2022-11-16 11:08:49,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1520 transitions. [2022-11-16 11:08:49,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:49,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1520 transitions. [2022-11-16 11:08:49,272 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 253.33333333333334) internal successors, (1520), 6 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:49,277 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:49,289 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:49,297 INFO L175 Difference]: Start difference. First operand has 243 places, 238 transitions, 497 flow. Second operand 6 states and 1520 transitions. [2022-11-16 11:08:49,298 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 353 transitions, 1089 flow [2022-11-16 11:08:49,301 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 353 transitions, 1079 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:08:49,306 INFO L231 Difference]: Finished difference. Result has 242 places, 237 transitions, 493 flow [2022-11-16 11:08:49,308 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=485, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=237, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=493, PETRI_PLACES=242, PETRI_TRANSITIONS=237} [2022-11-16 11:08:49,309 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -61 predicate places. [2022-11-16 11:08:49,310 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 237 transitions, 493 flow [2022-11-16 11:08:49,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 226.83333333333334) internal successors, (1361), 6 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:49,312 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:49,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:49,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:08:49,313 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:49,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:49,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1474171319, now seen corresponding path program 1 times [2022-11-16 11:08:49,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:49,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658566724] [2022-11-16 11:08:49,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:49,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:50,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:50,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:50,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658566724] [2022-11-16 11:08:50,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658566724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:50,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:50,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:08:50,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525492353] [2022-11-16 11:08:50,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:50,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:08:50,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:50,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:08:50,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:08:50,031 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 344 [2022-11-16 11:08:50,035 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 237 transitions, 493 flow. Second operand has 6 states, 6 states have (on average 228.0) internal successors, (1368), 6 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:50,035 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:50,035 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 344 [2022-11-16 11:08:50,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:52,068 INFO L130 PetriNetUnfolder]: 7885/10967 cut-off events. [2022-11-16 11:08:52,069 INFO L131 PetriNetUnfolder]: For 1355/1355 co-relation queries the response was YES. [2022-11-16 11:08:52,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22938 conditions, 10967 events. 7885/10967 cut-off events. For 1355/1355 co-relation queries the response was YES. Maximal size of possible extension queue 443. Compared 57123 event pairs, 1461 based on Foata normal form. 0/10672 useless extension candidates. Maximal degree in co-relation 22854. Up to 4395 conditions per place. [2022-11-16 11:08:52,169 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 112 selfloop transitions, 5 changer transitions 0/300 dead transitions. [2022-11-16 11:08:52,170 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 300 transitions, 889 flow [2022-11-16 11:08:52,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:08:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:08:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1474 transitions. [2022-11-16 11:08:52,175 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7141472868217055 [2022-11-16 11:08:52,176 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1474 transitions. [2022-11-16 11:08:52,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1474 transitions. [2022-11-16 11:08:52,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:52,178 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1474 transitions. [2022-11-16 11:08:52,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.66666666666666) internal successors, (1474), 6 states have internal predecessors, (1474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:52,187 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:52,188 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:52,189 INFO L175 Difference]: Start difference. First operand has 242 places, 237 transitions, 493 flow. Second operand 6 states and 1474 transitions. [2022-11-16 11:08:52,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 300 transitions, 889 flow [2022-11-16 11:08:52,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 300 transitions, 854 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:08:52,199 INFO L231 Difference]: Finished difference. Result has 242 places, 236 transitions, 494 flow [2022-11-16 11:08:52,200 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=237, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=494, PETRI_PLACES=242, PETRI_TRANSITIONS=236} [2022-11-16 11:08:52,201 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -61 predicate places. [2022-11-16 11:08:52,202 INFO L495 AbstractCegarLoop]: Abstraction has has 242 places, 236 transitions, 494 flow [2022-11-16 11:08:52,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 228.0) internal successors, (1368), 6 states have internal predecessors, (1368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:52,202 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:52,203 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:52,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:08:52,203 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:52,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:52,204 INFO L85 PathProgramCache]: Analyzing trace with hash -981663402, now seen corresponding path program 1 times [2022-11-16 11:08:52,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:52,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082983204] [2022-11-16 11:08:52,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:52,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:52,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:52,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082983204] [2022-11-16 11:08:52,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082983204] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:52,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:52,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:08:52,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346552472] [2022-11-16 11:08:52,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:52,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:08:52,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:52,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:08:52,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:08:52,920 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 344 [2022-11-16 11:08:52,922 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 236 transitions, 494 flow. Second operand has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:52,923 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:52,923 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 344 [2022-11-16 11:08:52,923 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:55,464 INFO L130 PetriNetUnfolder]: 7195/10508 cut-off events. [2022-11-16 11:08:55,464 INFO L131 PetriNetUnfolder]: For 403/403 co-relation queries the response was YES. [2022-11-16 11:08:55,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21376 conditions, 10508 events. 7195/10508 cut-off events. For 403/403 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 59489 event pairs, 4527 based on Foata normal form. 0/10099 useless extension candidates. Maximal degree in co-relation 21292. Up to 7814 conditions per place. [2022-11-16 11:08:55,542 INFO L137 encePairwiseOnDemand]: 338/344 looper letters, 99 selfloop transitions, 5 changer transitions 0/287 dead transitions. [2022-11-16 11:08:55,542 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 287 transitions, 812 flow [2022-11-16 11:08:55,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:08:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:08:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1461 transitions. [2022-11-16 11:08:55,548 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7078488372093024 [2022-11-16 11:08:55,548 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1461 transitions. [2022-11-16 11:08:55,549 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1461 transitions. [2022-11-16 11:08:55,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:55,550 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1461 transitions. [2022-11-16 11:08:55,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 243.5) internal successors, (1461), 6 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:55,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:55,560 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:55,561 INFO L175 Difference]: Start difference. First operand has 242 places, 236 transitions, 494 flow. Second operand 6 states and 1461 transitions. [2022-11-16 11:08:55,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 287 transitions, 812 flow [2022-11-16 11:08:55,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 287 transitions, 802 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:08:55,576 INFO L231 Difference]: Finished difference. Result has 241 places, 235 transitions, 492 flow [2022-11-16 11:08:55,577 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=492, PETRI_PLACES=241, PETRI_TRANSITIONS=235} [2022-11-16 11:08:55,577 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -62 predicate places. [2022-11-16 11:08:55,578 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 235 transitions, 492 flow [2022-11-16 11:08:55,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 229.16666666666666) internal successors, (1375), 6 states have internal predecessors, (1375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:55,579 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:55,579 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:55,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:08:55,580 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:55,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:55,580 INFO L85 PathProgramCache]: Analyzing trace with hash 400019719, now seen corresponding path program 1 times [2022-11-16 11:08:55,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:55,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234818507] [2022-11-16 11:08:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:56,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:56,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234818507] [2022-11-16 11:08:56,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234818507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:56,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:56,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:08:56,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632677975] [2022-11-16 11:08:56,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:56,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:08:56,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:56,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:08:56,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:08:56,439 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 225 out of 344 [2022-11-16 11:08:56,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 235 transitions, 492 flow. Second operand has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:56,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:56,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 225 of 344 [2022-11-16 11:08:56,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:58,268 INFO L130 PetriNetUnfolder]: 6842/9806 cut-off events. [2022-11-16 11:08:58,268 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2022-11-16 11:08:58,292 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19548 conditions, 9806 events. 6842/9806 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 53309 event pairs, 5129 based on Foata normal form. 0/9610 useless extension candidates. Maximal degree in co-relation 19462. Up to 8865 conditions per place. [2022-11-16 11:08:58,331 INFO L137 encePairwiseOnDemand]: 339/344 looper letters, 62 selfloop transitions, 4 changer transitions 0/250 dead transitions. [2022-11-16 11:08:58,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 250 transitions, 654 flow [2022-11-16 11:08:58,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:08:58,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:08:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1417 transitions. [2022-11-16 11:08:58,335 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.686531007751938 [2022-11-16 11:08:58,336 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1417 transitions. [2022-11-16 11:08:58,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1417 transitions. [2022-11-16 11:08:58,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:58,337 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1417 transitions. [2022-11-16 11:08:58,341 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 236.16666666666666) internal successors, (1417), 6 states have internal predecessors, (1417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,344 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,345 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 344.0) internal successors, (2408), 7 states have internal predecessors, (2408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,346 INFO L175 Difference]: Start difference. First operand has 241 places, 235 transitions, 492 flow. Second operand 6 states and 1417 transitions. [2022-11-16 11:08:58,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 250 transitions, 654 flow [2022-11-16 11:08:58,352 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 250 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:08:58,355 INFO L231 Difference]: Finished difference. Result has 240 places, 234 transitions, 488 flow [2022-11-16 11:08:58,355 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=234, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=488, PETRI_PLACES=240, PETRI_TRANSITIONS=234} [2022-11-16 11:08:58,356 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -63 predicate places. [2022-11-16 11:08:58,356 INFO L495 AbstractCegarLoop]: Abstraction has has 240 places, 234 transitions, 488 flow [2022-11-16 11:08:58,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 230.66666666666666) internal successors, (1384), 6 states have internal predecessors, (1384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,357 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:58,357 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:58,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:08:58,358 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:58,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:58,358 INFO L85 PathProgramCache]: Analyzing trace with hash 426659223, now seen corresponding path program 1 times [2022-11-16 11:08:58,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:58,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52595698] [2022-11-16 11:08:58,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:58,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:58,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:58,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:58,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52595698] [2022-11-16 11:08:58,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52595698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:58,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:58,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730539946] [2022-11-16 11:08:58,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:58,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:58,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:58,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:58,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:58,647 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:58,648 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 240 places, 234 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,648 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:58,648 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:58,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:58,805 INFO L130 PetriNetUnfolder]: 191/744 cut-off events. [2022-11-16 11:08:58,805 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:58,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1093 conditions, 744 events. 191/744 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2920 event pairs, 111 based on Foata normal form. 0/691 useless extension candidates. Maximal degree in co-relation 1045. Up to 288 conditions per place. [2022-11-16 11:08:58,811 INFO L137 encePairwiseOnDemand]: 342/344 looper letters, 24 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2022-11-16 11:08:58,811 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 233 transitions, 536 flow [2022-11-16 11:08:58,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:58,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 809 transitions. [2022-11-16 11:08:58,814 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7839147286821705 [2022-11-16 11:08:58,814 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 809 transitions. [2022-11-16 11:08:58,815 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 809 transitions. [2022-11-16 11:08:58,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:58,816 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 809 transitions. [2022-11-16 11:08:58,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.6666666666667) internal successors, (809), 3 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,820 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,822 INFO L175 Difference]: Start difference. First operand has 240 places, 234 transitions, 488 flow. Second operand 3 states and 809 transitions. [2022-11-16 11:08:58,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 241 places, 233 transitions, 536 flow [2022-11-16 11:08:58,824 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 233 transitions, 529 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:08:58,827 INFO L231 Difference]: Finished difference. Result has 237 places, 233 transitions, 481 flow [2022-11-16 11:08:58,827 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=479, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=237, PETRI_TRANSITIONS=233} [2022-11-16 11:08:58,828 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -66 predicate places. [2022-11-16 11:08:58,828 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 233 transitions, 481 flow [2022-11-16 11:08:58,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,829 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:08:58,829 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:58,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:08:58,830 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2022-11-16 11:08:58,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:58,832 INFO L85 PathProgramCache]: Analyzing trace with hash -140194739, now seen corresponding path program 1 times [2022-11-16 11:08:58,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:58,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790524736] [2022-11-16 11:08:58,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:58,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:58,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:58,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:58,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790524736] [2022-11-16 11:08:58,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790524736] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:58,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:58,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:08:58,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478443963] [2022-11-16 11:08:58,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:58,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:08:58,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:58,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:08:58,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:08:58,937 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 261 out of 344 [2022-11-16 11:08:58,938 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 233 transitions, 481 flow. Second operand has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:58,938 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:08:58,938 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 261 of 344 [2022-11-16 11:08:58,938 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:08:59,088 INFO L130 PetriNetUnfolder]: 191/743 cut-off events. [2022-11-16 11:08:59,088 INFO L131 PetriNetUnfolder]: For 25/157 co-relation queries the response was YES. [2022-11-16 11:08:59,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1080 conditions, 743 events. 191/743 cut-off events. For 25/157 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2920 event pairs, 111 based on Foata normal form. 1/691 useless extension candidates. Maximal degree in co-relation 1072. Up to 288 conditions per place. [2022-11-16 11:08:59,092 INFO L137 encePairwiseOnDemand]: 342/344 looper letters, 0 selfloop transitions, 0 changer transitions 232/232 dead transitions. [2022-11-16 11:08:59,092 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 238 places, 232 transitions, 527 flow [2022-11-16 11:08:59,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:08:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:08:59,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 808 transitions. [2022-11-16 11:08:59,095 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7829457364341085 [2022-11-16 11:08:59,096 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 808 transitions. [2022-11-16 11:08:59,096 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 808 transitions. [2022-11-16 11:08:59,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:08:59,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 808 transitions. [2022-11-16 11:08:59,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 269.3333333333333) internal successors, (808), 3 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:59,101 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:59,102 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:59,102 INFO L175 Difference]: Start difference. First operand has 237 places, 233 transitions, 481 flow. Second operand 3 states and 808 transitions. [2022-11-16 11:08:59,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 238 places, 232 transitions, 527 flow [2022-11-16 11:08:59,104 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 237 places, 232 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:08:59,106 INFO L231 Difference]: Finished difference. Result has 237 places, 0 transitions, 0 flow [2022-11-16 11:08:59,106 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=344, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=237, PETRI_TRANSITIONS=0} [2022-11-16 11:08:59,107 INFO L288 CegarLoopForPetriNet]: 303 programPoint places, -66 predicate places. [2022-11-16 11:08:59,107 INFO L495 AbstractCegarLoop]: Abstraction has has 237 places, 0 transitions, 0 flow [2022-11-16 11:08:59,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 266.6666666666667) internal successors, (800), 3 states have internal predecessors, (800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:08:59,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (111 of 112 remaining) [2022-11-16 11:08:59,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (110 of 112 remaining) [2022-11-16 11:08:59,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (109 of 112 remaining) [2022-11-16 11:08:59,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (108 of 112 remaining) [2022-11-16 11:08:59,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (107 of 112 remaining) [2022-11-16 11:08:59,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (106 of 112 remaining) [2022-11-16 11:08:59,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (105 of 112 remaining) [2022-11-16 11:08:59,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (104 of 112 remaining) [2022-11-16 11:08:59,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (103 of 112 remaining) [2022-11-16 11:08:59,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (102 of 112 remaining) [2022-11-16 11:08:59,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (101 of 112 remaining) [2022-11-16 11:08:59,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (100 of 112 remaining) [2022-11-16 11:08:59,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (99 of 112 remaining) [2022-11-16 11:08:59,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (98 of 112 remaining) [2022-11-16 11:08:59,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (97 of 112 remaining) [2022-11-16 11:08:59,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (96 of 112 remaining) [2022-11-16 11:08:59,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (95 of 112 remaining) [2022-11-16 11:08:59,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (94 of 112 remaining) [2022-11-16 11:08:59,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (93 of 112 remaining) [2022-11-16 11:08:59,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (92 of 112 remaining) [2022-11-16 11:08:59,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (91 of 112 remaining) [2022-11-16 11:08:59,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (90 of 112 remaining) [2022-11-16 11:08:59,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (89 of 112 remaining) [2022-11-16 11:08:59,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (88 of 112 remaining) [2022-11-16 11:08:59,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (87 of 112 remaining) [2022-11-16 11:08:59,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (86 of 112 remaining) [2022-11-16 11:08:59,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (85 of 112 remaining) [2022-11-16 11:08:59,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (84 of 112 remaining) [2022-11-16 11:08:59,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (83 of 112 remaining) [2022-11-16 11:08:59,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (82 of 112 remaining) [2022-11-16 11:08:59,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (81 of 112 remaining) [2022-11-16 11:08:59,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (80 of 112 remaining) [2022-11-16 11:08:59,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (79 of 112 remaining) [2022-11-16 11:08:59,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (78 of 112 remaining) [2022-11-16 11:08:59,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (77 of 112 remaining) [2022-11-16 11:08:59,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (76 of 112 remaining) [2022-11-16 11:08:59,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (75 of 112 remaining) [2022-11-16 11:08:59,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (74 of 112 remaining) [2022-11-16 11:08:59,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (73 of 112 remaining) [2022-11-16 11:08:59,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (72 of 112 remaining) [2022-11-16 11:08:59,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (71 of 112 remaining) [2022-11-16 11:08:59,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (70 of 112 remaining) [2022-11-16 11:08:59,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (69 of 112 remaining) [2022-11-16 11:08:59,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (68 of 112 remaining) [2022-11-16 11:08:59,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (67 of 112 remaining) [2022-11-16 11:08:59,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (66 of 112 remaining) [2022-11-16 11:08:59,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (65 of 112 remaining) [2022-11-16 11:08:59,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (64 of 112 remaining) [2022-11-16 11:08:59,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (63 of 112 remaining) [2022-11-16 11:08:59,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (62 of 112 remaining) [2022-11-16 11:08:59,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (61 of 112 remaining) [2022-11-16 11:08:59,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (60 of 112 remaining) [2022-11-16 11:08:59,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (59 of 112 remaining) [2022-11-16 11:08:59,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (58 of 112 remaining) [2022-11-16 11:08:59,121 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (57 of 112 remaining) [2022-11-16 11:08:59,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (56 of 112 remaining) [2022-11-16 11:08:59,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (55 of 112 remaining) [2022-11-16 11:08:59,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (54 of 112 remaining) [2022-11-16 11:08:59,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (53 of 112 remaining) [2022-11-16 11:08:59,122 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (52 of 112 remaining) [2022-11-16 11:08:59,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (51 of 112 remaining) [2022-11-16 11:08:59,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (50 of 112 remaining) [2022-11-16 11:08:59,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (49 of 112 remaining) [2022-11-16 11:08:59,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (48 of 112 remaining) [2022-11-16 11:08:59,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (47 of 112 remaining) [2022-11-16 11:08:59,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (46 of 112 remaining) [2022-11-16 11:08:59,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (45 of 112 remaining) [2022-11-16 11:08:59,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (44 of 112 remaining) [2022-11-16 11:08:59,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (43 of 112 remaining) [2022-11-16 11:08:59,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 112 remaining) [2022-11-16 11:08:59,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Thread1of1ForFork2Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (41 of 112 remaining) [2022-11-16 11:08:59,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (40 of 112 remaining) [2022-11-16 11:08:59,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (39 of 112 remaining) [2022-11-16 11:08:59,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (38 of 112 remaining) [2022-11-16 11:08:59,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (37 of 112 remaining) [2022-11-16 11:08:59,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (36 of 112 remaining) [2022-11-16 11:08:59,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (35 of 112 remaining) [2022-11-16 11:08:59,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (34 of 112 remaining) [2022-11-16 11:08:59,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (33 of 112 remaining) [2022-11-16 11:08:59,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (32 of 112 remaining) [2022-11-16 11:08:59,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (31 of 112 remaining) [2022-11-16 11:08:59,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (30 of 112 remaining) [2022-11-16 11:08:59,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (29 of 112 remaining) [2022-11-16 11:08:59,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (28 of 112 remaining) [2022-11-16 11:08:59,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (27 of 112 remaining) [2022-11-16 11:08:59,127 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (26 of 112 remaining) [2022-11-16 11:08:59,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (25 of 112 remaining) [2022-11-16 11:08:59,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (24 of 112 remaining) [2022-11-16 11:08:59,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (23 of 112 remaining) [2022-11-16 11:08:59,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (22 of 112 remaining) [2022-11-16 11:08:59,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (21 of 112 remaining) [2022-11-16 11:08:59,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (20 of 112 remaining) [2022-11-16 11:08:59,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (19 of 112 remaining) [2022-11-16 11:08:59,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (18 of 112 remaining) [2022-11-16 11:08:59,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (17 of 112 remaining) [2022-11-16 11:08:59,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (16 of 112 remaining) [2022-11-16 11:08:59,129 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (15 of 112 remaining) [2022-11-16 11:08:59,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (14 of 112 remaining) [2022-11-16 11:08:59,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (13 of 112 remaining) [2022-11-16 11:08:59,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (12 of 112 remaining) [2022-11-16 11:08:59,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err14ASSERT_VIOLATIONDATA_RACE (11 of 112 remaining) [2022-11-16 11:08:59,130 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (10 of 112 remaining) [2022-11-16 11:08:59,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (9 of 112 remaining) [2022-11-16 11:08:59,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (8 of 112 remaining) [2022-11-16 11:08:59,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (7 of 112 remaining) [2022-11-16 11:08:59,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (6 of 112 remaining) [2022-11-16 11:08:59,131 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (5 of 112 remaining) [2022-11-16 11:08:59,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (4 of 112 remaining) [2022-11-16 11:08:59,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (3 of 112 remaining) [2022-11-16 11:08:59,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (2 of 112 remaining) [2022-11-16 11:08:59,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (1 of 112 remaining) [2022-11-16 11:08:59,132 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (0 of 112 remaining) [2022-11-16 11:08:59,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:08:59,133 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:59,141 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:08:59,142 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:08:59,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:08:59 BasicIcfg [2022-11-16 11:08:59,150 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:08:59,150 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:08:59,151 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:08:59,151 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:08:59,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:36" (3/4) ... [2022-11-16 11:08:59,154 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:08:59,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:08:59,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:08:59,160 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:08:59,161 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-16 11:08:59,168 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-16 11:08:59,168 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:08:59,169 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:08:59,169 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:08:59,238 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:08:59,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:08:59,240 INFO L158 Benchmark]: Toolchain (without parser) took 24870.42ms. Allocated memory was 96.5MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 73.4MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 806.9MB. Max. memory is 16.1GB. [2022-11-16 11:08:59,240 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:59,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.22ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 68.7MB in the end (delta: 4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:08:59,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.83ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 65.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:08:59,241 INFO L158 Benchmark]: Boogie Preprocessor took 100.56ms. Allocated memory is still 96.5MB. Free memory was 65.4MB in the beginning and 62.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:08:59,241 INFO L158 Benchmark]: RCFGBuilder took 1649.46ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 76.7MB in the end (delta: -14.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-16 11:08:59,242 INFO L158 Benchmark]: TraceAbstraction took 22374.56ms. Allocated memory was 125.8MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 76.2MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 779.5MB. Max. memory is 16.1GB. [2022-11-16 11:08:59,242 INFO L158 Benchmark]: Witness Printer took 88.21ms. Allocated memory is still 5.2GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:08:59,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 96.5MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.22ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 68.7MB in the end (delta: 4.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.83ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 65.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.56ms. Allocated memory is still 96.5MB. Free memory was 65.4MB in the beginning and 62.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1649.46ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 62.5MB in the beginning and 76.7MB in the end (delta: -14.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 22374.56ms. Allocated memory was 125.8MB in the beginning and 5.2GB in the end (delta: 5.1GB). Free memory was 76.2MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 779.5MB. Max. memory is 16.1GB. * Witness Printer took 88.21ms. Allocated memory is still 5.2GB. Free memory was 4.4GB in the beginning and 4.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: 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: 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: 70]: 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: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 126]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 127]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 129]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 130]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 132]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 133]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 134]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 135]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 155]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 140]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 141]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 143]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 102]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: 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 9 procedures, 429 locations, 112 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: 22.2s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 16.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 187 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 148 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1712 IncrementalHoareTripleChecker+Invalid, 1860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 148 mSolverCounterUnsat, 187 mSDtfsCounter, 1712 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=636occurred in iteration=0, InterpolantAutomatonStates: 66, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 1780 NumberOfCodeBlocks, 1780 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1763 ConstructedInterpolants, 0 QuantifiedInterpolants, 2226 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 61 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:08:59,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ac3b0a0-7f30-4105-881f-3043de510249/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE