./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/bench-exp2x6.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_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/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_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/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_1b43dd1a-acf7-404c-8372-14feacd92b40/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 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --- 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 11:47:26,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:47:26,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:47:26,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:47:26,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:47:26,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:47:26,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:47:26,149 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:47:26,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:47:26,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:47:26,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:47:26,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:47:26,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:47:26,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:47:26,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:47:26,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:47:26,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:47:26,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:47:26,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:47:26,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:47:26,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:47:26,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:47:26,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:47:26,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:47:26,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:47:26,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:47:26,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:47:26,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:47:26,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:47:26,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:47:26,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:47:26,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:47:26,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:47:26,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:47:26,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:47:26,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:47:26,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:47:26,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:47:26,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:47:26,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:47:26,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:47:26,218 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:47:26,249 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:47:26,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:47:26,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:47:26,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:47:26,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:47:26,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:47:26,261 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:47:26,261 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:47:26,261 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:47:26,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:47:26,263 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:47:26,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:47:26,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:47:26,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:47:26,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:47:26,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:47:26,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:47:26,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:47:26,265 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:47:26,265 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:47:26,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:47:26,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:47:26,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:47:26,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:47:26,266 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:47:26,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:47:26,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:47:26,268 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:47:26,268 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:47:26,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:47:26,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:47:26,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:47:26,269 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:47:26,269 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:47:26,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:47:26,270 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_1b43dd1a-acf7-404c-8372-14feacd92b40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 [2022-11-16 11:47:26,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:47:26,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:47:26,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:47:26,597 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:47:26,598 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:47:26,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-16 11:47:26,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/data/02409aebf/bc2169b00118489cafd4e3732c47ea98/FLAGc7b826d04 [2022-11-16 11:47:27,192 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:47:27,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c [2022-11-16 11:47:27,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/data/02409aebf/bc2169b00118489cafd4e3732c47ea98/FLAGc7b826d04 [2022-11-16 11:47:27,565 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/data/02409aebf/bc2169b00118489cafd4e3732c47ea98 [2022-11-16 11:47:27,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:47:27,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:47:27,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:27,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:47:27,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:47:27,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7405180d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27, skipping insertion in model container [2022-11-16 11:47:27,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:47:27,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:47:27,822 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_1b43dd1a-acf7-404c-8372-14feacd92b40/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-16 11:47:27,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:27,832 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:47:27,867 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_1b43dd1a-acf7-404c-8372-14feacd92b40/sv-benchmarks/c/weaver/bench-exp2x6.wvr.c[2453,2466] [2022-11-16 11:47:27,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:27,883 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:47:27,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27 WrapperNode [2022-11-16 11:47:27,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:27,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:27,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:47:27,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:47:27,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,928 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 167 [2022-11-16 11:47:27,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:27,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:47:27,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:47:27,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:47:27,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,944 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:47:27,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:47:27,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:47:27,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:47:27,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (1/1) ... [2022-11-16 11:47:27,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:47:28,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:47:28,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:47:28,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:47:28,060 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:47:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:47:28,061 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:47:28,061 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:47:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:47:28,067 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-11-16 11:47:28,067 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-11-16 11:47:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:47:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:47:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:47:28,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:47:28,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:47:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:47:28,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:47:28,071 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 11:47:28,174 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:47:28,176 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:47:28,981 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:47:28,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:47:28,994 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:47:28,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:28 BoogieIcfgContainer [2022-11-16 11:47:28,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:47:29,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:47:29,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:47:29,004 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:47:29,005 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:47:27" (1/3) ... [2022-11-16 11:47:29,005 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35db1df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:29, skipping insertion in model container [2022-11-16 11:47:29,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:27" (2/3) ... [2022-11-16 11:47:29,006 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35db1df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:29, skipping insertion in model container [2022-11-16 11:47:29,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:28" (3/3) ... [2022-11-16 11:47:29,007 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2022-11-16 11:47:29,016 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:47:29,026 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:47:29,026 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2022-11-16 11:47:29,027 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:47:29,150 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-16 11:47:29,221 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 434 places, 435 transitions, 902 flow [2022-11-16 11:47:29,443 INFO L130 PetriNetUnfolder]: 14/431 cut-off events. [2022-11-16 11:47:29,443 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:47:29,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 431 events. 14/431 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1156 event pairs, 0 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 301. Up to 2 conditions per place. [2022-11-16 11:47:29,467 INFO L82 GeneralOperation]: Start removeDead. Operand has 434 places, 435 transitions, 902 flow [2022-11-16 11:47:29,484 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 407 places, 406 transitions, 836 flow [2022-11-16 11:47:29,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:47:29,502 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;@59ea716c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:47:29,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2022-11-16 11:47:29,507 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-16 11:47:29,508 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:47:29,508 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:29,509 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] [2022-11-16 11:47:29,509 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:29,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:29,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1093460191, now seen corresponding path program 1 times [2022-11-16 11:47:29,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:29,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584658269] [2022-11-16 11:47:29,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:29,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:29,796 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 11:47:29,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:29,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584658269] [2022-11-16 11:47:29,798 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584658269] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:29,798 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:29,798 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:29,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614305704] [2022-11-16 11:47:29,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:29,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:29,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:29,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:29,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:29,859 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 435 [2022-11-16 11:47:29,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 407 places, 406 transitions, 836 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 11:47:29,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:29,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 435 [2022-11-16 11:47:29,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:30,366 INFO L130 PetriNetUnfolder]: 127/691 cut-off events. [2022-11-16 11:47:30,366 INFO L131 PetriNetUnfolder]: For 140/147 co-relation queries the response was YES. [2022-11-16 11:47:30,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1238 conditions, 691 events. 127/691 cut-off events. For 140/147 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3881 event pairs, 117 based on Foata normal form. 247/803 useless extension candidates. Maximal degree in co-relation 1066. Up to 294 conditions per place. [2022-11-16 11:47:30,389 INFO L137 encePairwiseOnDemand]: 427/435 looper letters, 59 selfloop transitions, 2 changer transitions 1/400 dead transitions. [2022-11-16 11:47:30,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 400 transitions, 946 flow [2022-11-16 11:47:30,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2022-11-16 11:47:30,409 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.89272030651341 [2022-11-16 11:47:30,410 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2022-11-16 11:47:30,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2022-11-16 11:47:30,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:30,417 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2022-11-16 11:47:30,428 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states 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 11:47:30,441 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:30,443 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:30,445 INFO L175 Difference]: Start difference. First operand has 407 places, 406 transitions, 836 flow. Second operand 3 states and 1165 transitions. [2022-11-16 11:47:30,446 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 400 transitions, 946 flow [2022-11-16 11:47:30,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 400 places, 400 transitions, 930 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-11-16 11:47:30,469 INFO L231 Difference]: Finished difference. Result has 400 places, 399 transitions, 810 flow [2022-11-16 11:47:30,472 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=808, PETRI_DIFFERENCE_MINUEND_PLACES=398, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=400, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=398, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=400, PETRI_TRANSITIONS=399} [2022-11-16 11:47:30,478 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -7 predicate places. [2022-11-16 11:47:30,479 INFO L495 AbstractCegarLoop]: Abstraction has has 400 places, 399 transitions, 810 flow [2022-11-16 11:47:30,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 11:47:30,480 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:30,481 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] [2022-11-16 11:47:30,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:47:30,482 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:30,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:30,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1895617542, now seen corresponding path program 1 times [2022-11-16 11:47:30,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:30,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150860521] [2022-11-16 11:47:30,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:30,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:30,604 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 11:47:30,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:30,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150860521] [2022-11-16 11:47:30,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150860521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:30,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:30,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:30,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063445393] [2022-11-16 11:47:30,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:30,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:30,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:30,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:30,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:30,619 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-16 11:47:30,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 400 places, 399 transitions, 810 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:30,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:30,621 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-16 11:47:30,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:31,001 INFO L130 PetriNetUnfolder]: 127/689 cut-off events. [2022-11-16 11:47:31,001 INFO L131 PetriNetUnfolder]: For 43/49 co-relation queries the response was YES. [2022-11-16 11:47:31,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1068 conditions, 689 events. 127/689 cut-off events. For 43/49 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 4217 event pairs, 117 based on Foata normal form. 0/552 useless extension candidates. Maximal degree in co-relation 1035. Up to 291 conditions per place. [2022-11-16 11:47:31,026 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 56 selfloop transitions, 2 changer transitions 0/398 dead transitions. [2022-11-16 11:47:31,027 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 400 places, 398 transitions, 924 flow [2022-11-16 11:47:31,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1166 transitions. [2022-11-16 11:47:31,031 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8934865900383142 [2022-11-16 11:47:31,031 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1166 transitions. [2022-11-16 11:47:31,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1166 transitions. [2022-11-16 11:47:31,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:31,033 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1166 transitions. [2022-11-16 11:47:31,036 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.6666666666667) internal successors, (1166), 3 states have internal predecessors, (1166), 0 states have call successors, (0), 0 states 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 11:47:31,039 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:31,040 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:31,041 INFO L175 Difference]: Start difference. First operand has 400 places, 399 transitions, 810 flow. Second operand 3 states and 1166 transitions. [2022-11-16 11:47:31,041 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 400 places, 398 transitions, 924 flow [2022-11-16 11:47:31,044 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 398 places, 398 transitions, 920 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:31,050 INFO L231 Difference]: Finished difference. Result has 398 places, 398 transitions, 808 flow [2022-11-16 11:47:31,051 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=804, PETRI_DIFFERENCE_MINUEND_PLACES=396, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=398, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=396, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=808, PETRI_PLACES=398, PETRI_TRANSITIONS=398} [2022-11-16 11:47:31,052 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -9 predicate places. [2022-11-16 11:47:31,052 INFO L495 AbstractCegarLoop]: Abstraction has has 398 places, 398 transitions, 808 flow [2022-11-16 11:47:31,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:31,053 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:31,053 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:31,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:47:31,054 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:31,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:31,056 INFO L85 PathProgramCache]: Analyzing trace with hash 455979650, now seen corresponding path program 1 times [2022-11-16 11:47:31,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:31,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692027295] [2022-11-16 11:47:31,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:31,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:31,110 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 11:47:31,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:31,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692027295] [2022-11-16 11:47:31,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692027295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:31,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:31,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:31,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177319137] [2022-11-16 11:47:31,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:31,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:31,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:31,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:31,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:31,115 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 366 out of 435 [2022-11-16 11:47:31,116 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 398 places, 398 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 11:47:31,116 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:31,117 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 366 of 435 [2022-11-16 11:47:31,117 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:31,420 INFO L130 PetriNetUnfolder]: 127/688 cut-off events. [2022-11-16 11:47:31,420 INFO L131 PetriNetUnfolder]: For 82/88 co-relation queries the response was YES. [2022-11-16 11:47:31,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1031 conditions, 688 events. 127/688 cut-off events. For 82/88 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4349 event pairs, 117 based on Foata normal form. 0/549 useless extension candidates. Maximal degree in co-relation 992. Up to 294 conditions per place. [2022-11-16 11:47:31,442 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 59 selfloop transitions, 2 changer transitions 0/397 dead transitions. [2022-11-16 11:47:31,442 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 397 transitions, 928 flow [2022-11-16 11:47:31,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:31,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1160 transitions. [2022-11-16 11:47:31,446 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2022-11-16 11:47:31,446 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1160 transitions. [2022-11-16 11:47:31,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1160 transitions. [2022-11-16 11:47:31,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:31,447 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1160 transitions. [2022-11-16 11:47:31,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 386.6666666666667) internal successors, (1160), 3 states have internal predecessors, (1160), 0 states have call successors, (0), 0 states 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 11:47:31,453 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:31,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:31,454 INFO L175 Difference]: Start difference. First operand has 398 places, 398 transitions, 808 flow. Second operand 3 states and 1160 transitions. [2022-11-16 11:47:31,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 397 transitions, 928 flow [2022-11-16 11:47:31,457 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 397 places, 397 transitions, 924 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:31,462 INFO L231 Difference]: Finished difference. Result has 397 places, 397 transitions, 806 flow [2022-11-16 11:47:31,463 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=802, PETRI_DIFFERENCE_MINUEND_PLACES=395, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=397, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=395, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=806, PETRI_PLACES=397, PETRI_TRANSITIONS=397} [2022-11-16 11:47:31,464 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -10 predicate places. [2022-11-16 11:47:31,464 INFO L495 AbstractCegarLoop]: Abstraction has has 397 places, 397 transitions, 806 flow [2022-11-16 11:47:31,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 367.3333333333333) internal successors, (1102), 3 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states 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 11:47:31,465 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:31,465 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:31,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:47:31,466 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:31,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:31,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1419194383, now seen corresponding path program 1 times [2022-11-16 11:47:31,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:31,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001429544] [2022-11-16 11:47:31,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:31,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:31,517 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 11:47:31,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:31,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001429544] [2022-11-16 11:47:31,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001429544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:31,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:31,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:31,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382073297] [2022-11-16 11:47:31,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:31,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:31,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:31,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:31,522 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-16 11:47:31,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 397 transitions, 806 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:31,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:31,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-16 11:47:31,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:31,841 INFO L130 PetriNetUnfolder]: 127/687 cut-off events. [2022-11-16 11:47:31,841 INFO L131 PetriNetUnfolder]: For 121/127 co-relation queries the response was YES. [2022-11-16 11:47:31,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 987 conditions, 687 events. 127/687 cut-off events. For 121/127 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4421 event pairs, 117 based on Foata normal form. 0/547 useless extension candidates. Maximal degree in co-relation 942. Up to 290 conditions per place. [2022-11-16 11:47:31,857 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 55 selfloop transitions, 2 changer transitions 0/396 dead transitions. [2022-11-16 11:47:31,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 396 transitions, 918 flow [2022-11-16 11:47:31,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1165 transitions. [2022-11-16 11:47:31,862 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.89272030651341 [2022-11-16 11:47:31,865 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1165 transitions. [2022-11-16 11:47:31,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1165 transitions. [2022-11-16 11:47:31,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:31,867 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1165 transitions. [2022-11-16 11:47:31,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 388.3333333333333) internal successors, (1165), 3 states have internal predecessors, (1165), 0 states have call successors, (0), 0 states 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 11:47:31,873 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:31,875 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:31,875 INFO L175 Difference]: Start difference. First operand has 397 places, 397 transitions, 806 flow. Second operand 3 states and 1165 transitions. [2022-11-16 11:47:31,875 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 396 transitions, 918 flow [2022-11-16 11:47:31,879 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 396 places, 396 transitions, 914 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:31,890 INFO L231 Difference]: Finished difference. Result has 396 places, 396 transitions, 804 flow [2022-11-16 11:47:31,891 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=394, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=396, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=394, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=396, PETRI_TRANSITIONS=396} [2022-11-16 11:47:31,893 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -11 predicate places. [2022-11-16 11:47:31,893 INFO L495 AbstractCegarLoop]: Abstraction has has 396 places, 396 transitions, 804 flow [2022-11-16 11:47:31,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:31,894 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:31,894 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 11:47:31,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:47:31,895 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:31,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash -356961118, now seen corresponding path program 1 times [2022-11-16 11:47:31,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:31,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404231170] [2022-11-16 11:47:31,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:31,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:31,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:31,991 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 11:47:31,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:31,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404231170] [2022-11-16 11:47:31,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404231170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:31,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:31,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:31,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509712533] [2022-11-16 11:47:31,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:31,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:31,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:31,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:31,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:31,997 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 402 out of 435 [2022-11-16 11:47:32,000 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 396 places, 396 transitions, 804 flow. Second operand has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states 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 11:47:32,000 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:32,000 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 402 of 435 [2022-11-16 11:47:32,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:34,264 INFO L130 PetriNetUnfolder]: 1030/10415 cut-off events. [2022-11-16 11:47:34,264 INFO L131 PetriNetUnfolder]: For 85/193 co-relation queries the response was YES. [2022-11-16 11:47:34,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11790 conditions, 10415 events. 1030/10415 cut-off events. For 85/193 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 132330 event pairs, 855 based on Foata normal form. 0/7754 useless extension candidates. Maximal degree in co-relation 11739. Up to 1284 conditions per place. [2022-11-16 11:47:34,429 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 23 selfloop transitions, 2 changer transitions 0/395 dead transitions. [2022-11-16 11:47:34,429 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 395 transitions, 852 flow [2022-11-16 11:47:34,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:34,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:34,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1232 transitions. [2022-11-16 11:47:34,432 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9440613026819923 [2022-11-16 11:47:34,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1232 transitions. [2022-11-16 11:47:34,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1232 transitions. [2022-11-16 11:47:34,433 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:34,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1232 transitions. [2022-11-16 11:47:34,436 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 410.6666666666667) internal successors, (1232), 3 states have internal predecessors, (1232), 0 states have call successors, (0), 0 states 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 11:47:34,439 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:34,440 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:34,441 INFO L175 Difference]: Start difference. First operand has 396 places, 396 transitions, 804 flow. Second operand 3 states and 1232 transitions. [2022-11-16 11:47:34,441 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 395 transitions, 852 flow [2022-11-16 11:47:34,444 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 395 transitions, 848 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:34,448 INFO L231 Difference]: Finished difference. Result has 395 places, 395 transitions, 802 flow [2022-11-16 11:47:34,449 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=393, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=395, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=393, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=802, PETRI_PLACES=395, PETRI_TRANSITIONS=395} [2022-11-16 11:47:34,452 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -12 predicate places. [2022-11-16 11:47:34,452 INFO L495 AbstractCegarLoop]: Abstraction has has 395 places, 395 transitions, 802 flow [2022-11-16 11:47:34,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 403.3333333333333) internal successors, (1210), 3 states have internal predecessors, (1210), 0 states have call successors, (0), 0 states 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 11:47:34,453 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:34,454 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:34,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:47:34,454 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:34,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:34,455 INFO L85 PathProgramCache]: Analyzing trace with hash -851483623, now seen corresponding path program 1 times [2022-11-16 11:47:34,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:34,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323997455] [2022-11-16 11:47:34,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:34,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:34,529 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 11:47:34,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:34,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323997455] [2022-11-16 11:47:34,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323997455] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:34,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:34,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:34,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964964150] [2022-11-16 11:47:34,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:34,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:34,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:34,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:34,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:34,533 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-16 11:47:34,535 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 395 transitions, 802 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:34,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:34,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-16 11:47:34,535 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:34,753 INFO L130 PetriNetUnfolder]: 100/624 cut-off events. [2022-11-16 11:47:34,753 INFO L131 PetriNetUnfolder]: For 4/9 co-relation queries the response was YES. [2022-11-16 11:47:34,760 INFO L83 FinitePrefix]: Finished finitePrefix Result has 953 conditions, 624 events. 100/624 cut-off events. For 4/9 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3363 event pairs, 54 based on Foata normal form. 0/536 useless extension candidates. Maximal degree in co-relation 895. Up to 144 conditions per place. [2022-11-16 11:47:34,768 INFO L137 encePairwiseOnDemand]: 414/435 looper letters, 41 selfloop transitions, 9 changer transitions 0/387 dead transitions. [2022-11-16 11:47:34,768 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 385 places, 387 transitions, 889 flow [2022-11-16 11:47:34,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1169 transitions. [2022-11-16 11:47:34,828 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8957854406130268 [2022-11-16 11:47:34,829 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1169 transitions. [2022-11-16 11:47:34,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1169 transitions. [2022-11-16 11:47:34,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:34,830 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1169 transitions. [2022-11-16 11:47:34,832 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 389.6666666666667) internal successors, (1169), 3 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states 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 11:47:34,836 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:34,837 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:34,838 INFO L175 Difference]: Start difference. First operand has 395 places, 395 transitions, 802 flow. Second operand 3 states and 1169 transitions. [2022-11-16 11:47:34,838 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 385 places, 387 transitions, 889 flow [2022-11-16 11:47:34,840 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 387 transitions, 885 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:34,846 INFO L231 Difference]: Finished difference. Result has 384 places, 384 transitions, 805 flow [2022-11-16 11:47:34,847 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=383, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=384, PETRI_TRANSITIONS=384} [2022-11-16 11:47:34,850 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -23 predicate places. [2022-11-16 11:47:34,850 INFO L495 AbstractCegarLoop]: Abstraction has has 384 places, 384 transitions, 805 flow [2022-11-16 11:47:34,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:34,852 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:34,852 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:34,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:47:34,853 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:34,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:34,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2063019880, now seen corresponding path program 1 times [2022-11-16 11:47:34,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:34,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677135676] [2022-11-16 11:47:34,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:34,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:34,932 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 11:47:34,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:34,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677135676] [2022-11-16 11:47:34,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677135676] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:34,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:34,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:34,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885176266] [2022-11-16 11:47:34,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:34,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:34,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:34,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:34,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:34,941 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 435 [2022-11-16 11:47:34,942 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 384 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states 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 11:47:34,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:34,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 435 [2022-11-16 11:47:34,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:35,165 INFO L130 PetriNetUnfolder]: 100/614 cut-off events. [2022-11-16 11:47:35,165 INFO L131 PetriNetUnfolder]: For 38/42 co-relation queries the response was YES. [2022-11-16 11:47:35,172 INFO L83 FinitePrefix]: Finished finitePrefix Result has 924 conditions, 614 events. 100/614 cut-off events. For 38/42 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 3429 event pairs, 54 based on Foata normal form. 0/534 useless extension candidates. Maximal degree in co-relation 818. Up to 142 conditions per place. [2022-11-16 11:47:35,181 INFO L137 encePairwiseOnDemand]: 415/435 looper letters, 39 selfloop transitions, 9 changer transitions 0/377 dead transitions. [2022-11-16 11:47:35,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 377 transitions, 890 flow [2022-11-16 11:47:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1175 transitions. [2022-11-16 11:47:35,185 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9003831417624522 [2022-11-16 11:47:35,185 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1175 transitions. [2022-11-16 11:47:35,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1175 transitions. [2022-11-16 11:47:35,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:35,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1175 transitions. [2022-11-16 11:47:35,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.6666666666667) internal successors, (1175), 3 states have internal predecessors, (1175), 0 states have call successors, (0), 0 states 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 11:47:35,191 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:35,192 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:35,192 INFO L175 Difference]: Start difference. First operand has 384 places, 384 transitions, 805 flow. Second operand 3 states and 1175 transitions. [2022-11-16 11:47:35,192 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 377 transitions, 890 flow [2022-11-16 11:47:35,195 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 377 transitions, 881 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:47:35,199 INFO L231 Difference]: Finished difference. Result has 375 places, 374 transitions, 805 flow [2022-11-16 11:47:35,200 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=805, PETRI_PLACES=375, PETRI_TRANSITIONS=374} [2022-11-16 11:47:35,201 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -32 predicate places. [2022-11-16 11:47:35,201 INFO L495 AbstractCegarLoop]: Abstraction has has 375 places, 374 transitions, 805 flow [2022-11-16 11:47:35,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states 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 11:47:35,202 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:35,202 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:35,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:47:35,202 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:35,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:35,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1342748087, now seen corresponding path program 1 times [2022-11-16 11:47:35,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:35,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209386361] [2022-11-16 11:47:35,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:35,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,253 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 11:47:35,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:35,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209386361] [2022-11-16 11:47:35,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209386361] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:35,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:35,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:35,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222912283] [2022-11-16 11:47:35,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:35,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:35,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:35,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:35,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:35,257 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 435 [2022-11-16 11:47:35,260 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 374 transitions, 805 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:35,260 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:35,260 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 435 [2022-11-16 11:47:35,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:35,577 INFO L130 PetriNetUnfolder]: 107/823 cut-off events. [2022-11-16 11:47:35,577 INFO L131 PetriNetUnfolder]: For 74/78 co-relation queries the response was YES. [2022-11-16 11:47:35,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1149 conditions, 823 events. 107/823 cut-off events. For 74/78 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 5218 event pairs, 36 based on Foata normal form. 1/726 useless extension candidates. Maximal degree in co-relation 992. Up to 145 conditions per place. [2022-11-16 11:47:35,596 INFO L137 encePairwiseOnDemand]: 413/435 looper letters, 44 selfloop transitions, 10 changer transitions 0/370 dead transitions. [2022-11-16 11:47:35,596 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 365 places, 370 transitions, 911 flow [2022-11-16 11:47:35,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:35,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1173 transitions. [2022-11-16 11:47:35,600 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8988505747126436 [2022-11-16 11:47:35,600 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1173 transitions. [2022-11-16 11:47:35,600 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1173 transitions. [2022-11-16 11:47:35,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:35,602 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1173 transitions. [2022-11-16 11:47:35,605 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 391.0) internal successors, (1173), 3 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states 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 11:47:35,608 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:35,609 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:35,609 INFO L175 Difference]: Start difference. First operand has 375 places, 374 transitions, 805 flow. Second operand 3 states and 1173 transitions. [2022-11-16 11:47:35,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 365 places, 370 transitions, 911 flow [2022-11-16 11:47:35,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 364 places, 370 transitions, 902 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:47:35,618 INFO L231 Difference]: Finished difference. Result has 365 places, 364 transitions, 810 flow [2022-11-16 11:47:35,619 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=362, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=352, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=810, PETRI_PLACES=365, PETRI_TRANSITIONS=364} [2022-11-16 11:47:35,621 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -42 predicate places. [2022-11-16 11:47:35,622 INFO L495 AbstractCegarLoop]: Abstraction has has 365 places, 364 transitions, 810 flow [2022-11-16 11:47:35,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states 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 11:47:35,622 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:35,623 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 11:47:35,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:47:35,623 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:35,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:35,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1890699172, now seen corresponding path program 1 times [2022-11-16 11:47:35,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:35,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533677637] [2022-11-16 11:47:35,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:35,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,700 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 11:47:35,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:35,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533677637] [2022-11-16 11:47:35,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533677637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:35,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:35,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:47:35,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45046644] [2022-11-16 11:47:35,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:35,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:47:35,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:35,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:47:35,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:47:35,706 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 435 [2022-11-16 11:47:35,708 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 365 places, 364 transitions, 810 flow. Second operand has 4 states, 4 states have (on average 409.25) internal successors, (1637), 4 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states 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 11:47:35,709 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:35,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 435 [2022-11-16 11:47:35,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:35,894 INFO L130 PetriNetUnfolder]: 12/615 cut-off events. [2022-11-16 11:47:35,895 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-16 11:47:35,900 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 615 events. 12/615 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2634 event pairs, 0 based on Foata normal form. 0/542 useless extension candidates. Maximal degree in co-relation 499. Up to 27 conditions per place. [2022-11-16 11:47:35,904 INFO L137 encePairwiseOnDemand]: 429/435 looper letters, 22 selfloop transitions, 5 changer transitions 0/371 dead transitions. [2022-11-16 11:47:35,905 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 371 transitions, 878 flow [2022-11-16 11:47:35,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:47:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 11:47:35,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2068 transitions. [2022-11-16 11:47:35,910 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9508045977011494 [2022-11-16 11:47:35,911 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 2068 transitions. [2022-11-16 11:47:35,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 2068 transitions. [2022-11-16 11:47:35,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:35,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 2068 transitions. [2022-11-16 11:47:35,918 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 413.6) internal successors, (2068), 5 states have internal predecessors, (2068), 0 states have call successors, (0), 0 states 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 11:47:35,923 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 435.0) internal successors, (2610), 6 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states 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 11:47:35,924 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 435.0) internal successors, (2610), 6 states have internal predecessors, (2610), 0 states have call successors, (0), 0 states 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 11:47:35,925 INFO L175 Difference]: Start difference. First operand has 365 places, 364 transitions, 810 flow. Second operand 5 states and 2068 transitions. [2022-11-16 11:47:35,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 371 transitions, 878 flow [2022-11-16 11:47:35,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 368 places, 371 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:47:35,935 INFO L231 Difference]: Finished difference. Result has 372 places, 368 transitions, 838 flow [2022-11-16 11:47:35,935 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=359, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=838, PETRI_PLACES=372, PETRI_TRANSITIONS=368} [2022-11-16 11:47:35,936 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -35 predicate places. [2022-11-16 11:47:35,936 INFO L495 AbstractCegarLoop]: Abstraction has has 372 places, 368 transitions, 838 flow [2022-11-16 11:47:35,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 409.25) internal successors, (1637), 4 states have internal predecessors, (1637), 0 states have call successors, (0), 0 states 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 11:47:35,938 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:35,938 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:35,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:47:35,939 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:35,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:35,939 INFO L85 PathProgramCache]: Analyzing trace with hash -15246507, now seen corresponding path program 1 times [2022-11-16 11:47:35,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:35,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749218056] [2022-11-16 11:47:35,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:35,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:35,982 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 11:47:35,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:35,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749218056] [2022-11-16 11:47:35,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749218056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:35,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:35,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:35,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332545215] [2022-11-16 11:47:35,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:35,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:35,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:35,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:35,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:35,986 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 372 out of 435 [2022-11-16 11:47:35,988 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 368 transitions, 838 flow. Second operand has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states 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 11:47:35,989 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:35,989 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 372 of 435 [2022-11-16 11:47:35,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:36,445 INFO L130 PetriNetUnfolder]: 173/1405 cut-off events. [2022-11-16 11:47:36,445 INFO L131 PetriNetUnfolder]: For 163/167 co-relation queries the response was YES. [2022-11-16 11:47:36,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1915 conditions, 1405 events. 173/1405 cut-off events. For 163/167 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 10385 event pairs, 82 based on Foata normal form. 1/1247 useless extension candidates. Maximal degree in co-relation 1526. Up to 231 conditions per place. [2022-11-16 11:47:36,463 INFO L137 encePairwiseOnDemand]: 415/435 looper letters, 40 selfloop transitions, 9 changer transitions 11/365 dead transitions. [2022-11-16 11:47:36,463 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 363 places, 365 transitions, 941 flow [2022-11-16 11:47:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1178 transitions. [2022-11-16 11:47:36,467 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9026819923371647 [2022-11-16 11:47:36,467 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1178 transitions. [2022-11-16 11:47:36,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1178 transitions. [2022-11-16 11:47:36,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:36,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1178 transitions. [2022-11-16 11:47:36,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 392.6666666666667) internal successors, (1178), 3 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states 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 11:47:36,473 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:36,473 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:36,474 INFO L175 Difference]: Start difference. First operand has 372 places, 368 transitions, 838 flow. Second operand 3 states and 1178 transitions. [2022-11-16 11:47:36,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 363 places, 365 transitions, 941 flow [2022-11-16 11:47:36,477 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 365 transitions, 941 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:47:36,481 INFO L231 Difference]: Finished difference. Result has 364 places, 347 transitions, 824 flow [2022-11-16 11:47:36,482 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=357, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=348, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=364, PETRI_TRANSITIONS=347} [2022-11-16 11:47:36,483 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -43 predicate places. [2022-11-16 11:47:36,483 INFO L495 AbstractCegarLoop]: Abstraction has has 364 places, 347 transitions, 824 flow [2022-11-16 11:47:36,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.3333333333333) internal successors, (1120), 3 states have internal predecessors, (1120), 0 states have call successors, (0), 0 states 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 11:47:36,484 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:36,484 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] [2022-11-16 11:47:36,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:47:36,484 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:36,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:36,485 INFO L85 PathProgramCache]: Analyzing trace with hash 685404934, now seen corresponding path program 1 times [2022-11-16 11:47:36,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:36,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540839227] [2022-11-16 11:47:36,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:36,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:36,531 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 11:47:36,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:36,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540839227] [2022-11-16 11:47:36,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540839227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:36,532 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:36,532 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:36,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310247147] [2022-11-16 11:47:36,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:36,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:36,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:36,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:36,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:36,535 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 405 out of 435 [2022-11-16 11:47:36,537 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 347 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states 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 11:47:36,537 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:36,537 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 405 of 435 [2022-11-16 11:47:36,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:38,244 INFO L130 PetriNetUnfolder]: 733/9066 cut-off events. [2022-11-16 11:47:38,244 INFO L131 PetriNetUnfolder]: For 280/375 co-relation queries the response was YES. [2022-11-16 11:47:38,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11623 conditions, 9066 events. 733/9066 cut-off events. For 280/375 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 111898 event pairs, 276 based on Foata normal form. 3/8037 useless extension candidates. Maximal degree in co-relation 8657. Up to 929 conditions per place. [2022-11-16 11:47:38,340 INFO L137 encePairwiseOnDemand]: 427/435 looper letters, 20 selfloop transitions, 4 changer transitions 0/350 dead transitions. [2022-11-16 11:47:38,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 350 transitions, 881 flow [2022-11-16 11:47:38,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:38,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1243 transitions. [2022-11-16 11:47:38,344 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9524904214559387 [2022-11-16 11:47:38,344 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1243 transitions. [2022-11-16 11:47:38,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1243 transitions. [2022-11-16 11:47:38,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:38,345 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1243 transitions. [2022-11-16 11:47:38,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 414.3333333333333) internal successors, (1243), 3 states have internal predecessors, (1243), 0 states have call successors, (0), 0 states 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 11:47:38,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:38,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:38,351 INFO L175 Difference]: Start difference. First operand has 364 places, 347 transitions, 824 flow. Second operand 3 states and 1243 transitions. [2022-11-16 11:47:38,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 350 transitions, 881 flow [2022-11-16 11:47:38,363 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 350 transitions, 872 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:47:38,368 INFO L231 Difference]: Finished difference. Result has 351 places, 347 transitions, 835 flow [2022-11-16 11:47:38,368 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=351, PETRI_TRANSITIONS=347} [2022-11-16 11:47:38,371 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-16 11:47:38,371 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 347 transitions, 835 flow [2022-11-16 11:47:38,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 406.6666666666667) internal successors, (1220), 3 states have internal predecessors, (1220), 0 states have call successors, (0), 0 states 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 11:47:38,372 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:38,372 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] [2022-11-16 11:47:38,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:47:38,372 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:38,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:38,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2061292385, now seen corresponding path program 1 times [2022-11-16 11:47:38,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:38,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816558227] [2022-11-16 11:47:38,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:38,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:38,426 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 11:47:38,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:38,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816558227] [2022-11-16 11:47:38,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816558227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:38,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:38,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:38,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733714098] [2022-11-16 11:47:38,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:38,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:38,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:38,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:38,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:38,430 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:38,431 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 347 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states 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 11:47:38,432 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:38,432 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:38,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:39,138 INFO L130 PetriNetUnfolder]: 426/3015 cut-off events. [2022-11-16 11:47:39,139 INFO L131 PetriNetUnfolder]: For 94/109 co-relation queries the response was YES. [2022-11-16 11:47:39,170 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4656 conditions, 3015 events. 426/3015 cut-off events. For 94/109 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 29170 event pairs, 289 based on Foata normal form. 0/2712 useless extension candidates. Maximal degree in co-relation 3130. Up to 678 conditions per place. [2022-11-16 11:47:39,190 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 46 selfloop transitions, 2 changer transitions 0/349 dead transitions. [2022-11-16 11:47:39,190 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 349 transitions, 938 flow [2022-11-16 11:47:39,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-16 11:47:39,195 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8804597701149425 [2022-11-16 11:47:39,195 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-16 11:47:39,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-16 11:47:39,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:39,196 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-16 11:47:39,198 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states 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 11:47:39,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:39,201 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:39,201 INFO L175 Difference]: Start difference. First operand has 351 places, 347 transitions, 835 flow. Second operand 3 states and 1149 transitions. [2022-11-16 11:47:39,201 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 349 transitions, 938 flow [2022-11-16 11:47:39,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 349 transitions, 938 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:47:39,209 INFO L231 Difference]: Finished difference. Result has 352 places, 346 transitions, 837 flow [2022-11-16 11:47:39,209 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=833, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=344, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=837, PETRI_PLACES=352, PETRI_TRANSITIONS=346} [2022-11-16 11:47:39,210 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -55 predicate places. [2022-11-16 11:47:39,210 INFO L495 AbstractCegarLoop]: Abstraction has has 352 places, 346 transitions, 837 flow [2022-11-16 11:47:39,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states 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 11:47:39,211 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:39,211 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:39,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:47:39,212 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:39,212 INFO L85 PathProgramCache]: Analyzing trace with hash 714547496, now seen corresponding path program 1 times [2022-11-16 11:47:39,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:39,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469650781] [2022-11-16 11:47:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:39,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:39,266 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 11:47:39,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:39,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469650781] [2022-11-16 11:47:39,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469650781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:39,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:39,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:39,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589525903] [2022-11-16 11:47:39,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:39,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:39,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:39,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:39,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:39,274 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:39,275 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 346 transitions, 837 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states 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 11:47:39,275 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:39,275 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:39,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:40,115 INFO L130 PetriNetUnfolder]: 686/3491 cut-off events. [2022-11-16 11:47:40,115 INFO L131 PetriNetUnfolder]: For 286/307 co-relation queries the response was YES. [2022-11-16 11:47:40,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6047 conditions, 3491 events. 686/3491 cut-off events. For 286/307 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 34962 event pairs, 521 based on Foata normal form. 0/3175 useless extension candidates. Maximal degree in co-relation 5852. Up to 1340 conditions per place. [2022-11-16 11:47:40,163 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/348 dead transitions. [2022-11-16 11:47:40,164 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 348 transitions, 936 flow [2022-11-16 11:47:40,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:40,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2022-11-16 11:47:40,168 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.885823754789272 [2022-11-16 11:47:40,168 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2022-11-16 11:47:40,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2022-11-16 11:47:40,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:40,169 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2022-11-16 11:47:40,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states 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 11:47:40,175 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:40,176 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:40,176 INFO L175 Difference]: Start difference. First operand has 352 places, 346 transitions, 837 flow. Second operand 3 states and 1156 transitions. [2022-11-16 11:47:40,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 348 transitions, 936 flow [2022-11-16 11:47:40,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 348 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:40,186 INFO L231 Difference]: Finished difference. Result has 351 places, 345 transitions, 835 flow [2022-11-16 11:47:40,187 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=831, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=835, PETRI_PLACES=351, PETRI_TRANSITIONS=345} [2022-11-16 11:47:40,188 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-16 11:47:40,188 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 345 transitions, 835 flow [2022-11-16 11:47:40,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states 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 11:47:40,189 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:40,189 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] [2022-11-16 11:47:40,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:47:40,189 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:40,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:40,190 INFO L85 PathProgramCache]: Analyzing trace with hash 223912818, now seen corresponding path program 1 times [2022-11-16 11:47:40,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:40,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895579129] [2022-11-16 11:47:40,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:40,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:40,259 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 11:47:40,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:40,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895579129] [2022-11-16 11:47:40,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895579129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:40,260 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:40,260 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:40,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148400692] [2022-11-16 11:47:40,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:40,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:40,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:40,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:40,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:40,263 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:40,264 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 345 transitions, 835 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states 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 11:47:40,265 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:40,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:40,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:40,984 INFO L130 PetriNetUnfolder]: 417/2982 cut-off events. [2022-11-16 11:47:40,985 INFO L131 PetriNetUnfolder]: For 106/121 co-relation queries the response was YES. [2022-11-16 11:47:41,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4618 conditions, 2982 events. 417/2982 cut-off events. For 106/121 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 28739 event pairs, 280 based on Foata normal form. 0/2703 useless extension candidates. Maximal degree in co-relation 4018. Up to 657 conditions per place. [2022-11-16 11:47:41,034 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 45 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2022-11-16 11:47:41,034 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 347 transitions, 936 flow [2022-11-16 11:47:41,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:41,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-16 11:47:41,039 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796934865900383 [2022-11-16 11:47:41,039 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-16 11:47:41,039 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-16 11:47:41,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:41,040 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-16 11:47:41,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states 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 11:47:41,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:41,048 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:41,048 INFO L175 Difference]: Start difference. First operand has 351 places, 345 transitions, 835 flow. Second operand 3 states and 1148 transitions. [2022-11-16 11:47:41,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 347 transitions, 936 flow [2022-11-16 11:47:41,053 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 347 transitions, 932 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:41,058 INFO L231 Difference]: Finished difference. Result has 350 places, 344 transitions, 833 flow [2022-11-16 11:47:41,059 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=829, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=344, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=833, PETRI_PLACES=350, PETRI_TRANSITIONS=344} [2022-11-16 11:47:41,060 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -57 predicate places. [2022-11-16 11:47:41,060 INFO L495 AbstractCegarLoop]: Abstraction has has 350 places, 344 transitions, 833 flow [2022-11-16 11:47:41,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states 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 11:47:41,061 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:41,061 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] [2022-11-16 11:47:41,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:47:41,061 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:41,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash 195006870, now seen corresponding path program 1 times [2022-11-16 11:47:41,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:41,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100217735] [2022-11-16 11:47:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:47:41,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:41,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100217735] [2022-11-16 11:47:41,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100217735] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:41,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:41,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:41,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016441528] [2022-11-16 11:47:41,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:41,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:41,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:41,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:41,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:41,125 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:41,126 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 344 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states 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 11:47:41,126 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:41,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:41,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:41,898 INFO L130 PetriNetUnfolder]: 451/2940 cut-off events. [2022-11-16 11:47:41,899 INFO L131 PetriNetUnfolder]: For 269/293 co-relation queries the response was YES. [2022-11-16 11:47:41,925 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4657 conditions, 2940 events. 451/2940 cut-off events. For 269/293 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 27990 event pairs, 313 based on Foata normal form. 0/2657 useless extension candidates. Maximal degree in co-relation 4506. Up to 871 conditions per place. [2022-11-16 11:47:41,942 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 47 selfloop transitions, 2 changer transitions 0/346 dead transitions. [2022-11-16 11:47:41,942 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 351 places, 346 transitions, 938 flow [2022-11-16 11:47:41,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:41,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:41,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1149 transitions. [2022-11-16 11:47:41,947 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8804597701149425 [2022-11-16 11:47:41,947 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1149 transitions. [2022-11-16 11:47:41,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1149 transitions. [2022-11-16 11:47:41,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:41,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1149 transitions. [2022-11-16 11:47:41,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 383.0) internal successors, (1149), 3 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states 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 11:47:41,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:41,953 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:41,953 INFO L175 Difference]: Start difference. First operand has 350 places, 344 transitions, 833 flow. Second operand 3 states and 1149 transitions. [2022-11-16 11:47:41,953 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 351 places, 346 transitions, 938 flow [2022-11-16 11:47:41,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 346 transitions, 934 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:41,961 INFO L231 Difference]: Finished difference. Result has 349 places, 343 transitions, 831 flow [2022-11-16 11:47:41,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=827, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=831, PETRI_PLACES=349, PETRI_TRANSITIONS=343} [2022-11-16 11:47:41,962 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -58 predicate places. [2022-11-16 11:47:41,963 INFO L495 AbstractCegarLoop]: Abstraction has has 349 places, 343 transitions, 831 flow [2022-11-16 11:47:41,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 371.6666666666667) internal successors, (1115), 3 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states 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 11:47:41,963 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:41,963 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] [2022-11-16 11:47:41,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:47:41,964 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:41,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:41,964 INFO L85 PathProgramCache]: Analyzing trace with hash 2040247395, now seen corresponding path program 1 times [2022-11-16 11:47:41,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:41,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796860488] [2022-11-16 11:47:41,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:41,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:42,461 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 11:47:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:42,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796860488] [2022-11-16 11:47:42,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796860488] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:42,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:42,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:42,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472754273] [2022-11-16 11:47:42,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:42,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:47:42,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:42,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:47:42,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:47:42,471 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-16 11:47:42,473 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 343 transitions, 831 flow. Second operand has 6 states, 6 states have (on average 392.1666666666667) internal successors, (2353), 6 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states 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 11:47:42,473 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:42,473 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-16 11:47:42,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:42,926 INFO L130 PetriNetUnfolder]: 88/1800 cut-off events. [2022-11-16 11:47:42,926 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-16 11:47:42,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2356 conditions, 1800 events. 88/1800 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 14078 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 1930. Up to 109 conditions per place. [2022-11-16 11:47:42,951 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 30 selfloop transitions, 4 changer transitions 0/342 dead transitions. [2022-11-16 11:47:42,951 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 342 transitions, 897 flow [2022-11-16 11:47:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:47:42,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:47:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2375 transitions. [2022-11-16 11:47:42,956 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9099616858237548 [2022-11-16 11:47:42,956 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2375 transitions. [2022-11-16 11:47:42,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2375 transitions. [2022-11-16 11:47:42,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:42,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2375 transitions. [2022-11-16 11:47:42,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.8333333333333) internal successors, (2375), 6 states have internal predecessors, (2375), 0 states have call successors, (0), 0 states 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 11:47:42,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:42,968 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:42,969 INFO L175 Difference]: Start difference. First operand has 349 places, 343 transitions, 831 flow. Second operand 6 states and 2375 transitions. [2022-11-16 11:47:42,969 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 342 transitions, 897 flow [2022-11-16 11:47:42,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 351 places, 342 transitions, 893 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:42,976 INFO L231 Difference]: Finished difference. Result has 351 places, 342 transitions, 833 flow [2022-11-16 11:47:42,977 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=825, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=833, PETRI_PLACES=351, PETRI_TRANSITIONS=342} [2022-11-16 11:47:42,977 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -56 predicate places. [2022-11-16 11:47:42,977 INFO L495 AbstractCegarLoop]: Abstraction has has 351 places, 342 transitions, 833 flow [2022-11-16 11:47:42,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 392.1666666666667) internal successors, (2353), 6 states have internal predecessors, (2353), 0 states have call successors, (0), 0 states 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 11:47:42,978 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:42,979 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] [2022-11-16 11:47:42,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:47:42,979 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:42,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:42,979 INFO L85 PathProgramCache]: Analyzing trace with hash 549423174, now seen corresponding path program 1 times [2022-11-16 11:47:42,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:42,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240692451] [2022-11-16 11:47:42,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:42,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:43,023 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 11:47:43,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:43,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240692451] [2022-11-16 11:47:43,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240692451] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:43,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:43,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:43,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219752213] [2022-11-16 11:47:43,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:43,025 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:43,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:43,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:43,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:43,027 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:43,028 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 342 transitions, 833 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states 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 11:47:43,028 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:43,028 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:43,028 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:43,815 INFO L130 PetriNetUnfolder]: 669/3430 cut-off events. [2022-11-16 11:47:43,815 INFO L131 PetriNetUnfolder]: For 280/301 co-relation queries the response was YES. [2022-11-16 11:47:43,842 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5934 conditions, 3430 events. 669/3430 cut-off events. For 280/301 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 34033 event pairs, 504 based on Foata normal form. 0/3158 useless extension candidates. Maximal degree in co-relation 5074. Up to 1296 conditions per place. [2022-11-16 11:47:43,857 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/344 dead transitions. [2022-11-16 11:47:43,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 352 places, 344 transitions, 930 flow [2022-11-16 11:47:43,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1155 transitions. [2022-11-16 11:47:43,861 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2022-11-16 11:47:43,861 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1155 transitions. [2022-11-16 11:47:43,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1155 transitions. [2022-11-16 11:47:43,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:43,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1155 transitions. [2022-11-16 11:47:43,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states 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 11:47:43,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:43,867 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:43,867 INFO L175 Difference]: Start difference. First operand has 351 places, 342 transitions, 833 flow. Second operand 3 states and 1155 transitions. [2022-11-16 11:47:43,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 352 places, 344 transitions, 930 flow [2022-11-16 11:47:43,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 348 places, 344 transitions, 923 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:47:43,875 INFO L231 Difference]: Finished difference. Result has 348 places, 341 transitions, 828 flow [2022-11-16 11:47:43,876 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=824, PETRI_DIFFERENCE_MINUEND_PLACES=346, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=828, PETRI_PLACES=348, PETRI_TRANSITIONS=341} [2022-11-16 11:47:43,876 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -59 predicate places. [2022-11-16 11:47:43,877 INFO L495 AbstractCegarLoop]: Abstraction has has 348 places, 341 transitions, 828 flow [2022-11-16 11:47:43,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states 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 11:47:43,877 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:43,878 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] [2022-11-16 11:47:43,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:47:43,878 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting thread4Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:43,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:43,878 INFO L85 PathProgramCache]: Analyzing trace with hash -983902946, now seen corresponding path program 1 times [2022-11-16 11:47:43,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:43,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815676308] [2022-11-16 11:47:43,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:43,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:43,927 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 11:47:43,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:43,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815676308] [2022-11-16 11:47:43,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815676308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:43,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:43,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:43,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122465422] [2022-11-16 11:47:43,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:43,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:43,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:43,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:43,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:43,931 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:43,932 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 341 transitions, 828 flow. Second operand has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states 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 11:47:43,932 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:43,932 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:43,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:44,508 INFO L130 PetriNetUnfolder]: 302/2435 cut-off events. [2022-11-16 11:47:44,508 INFO L131 PetriNetUnfolder]: For 302/312 co-relation queries the response was YES. [2022-11-16 11:47:44,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3606 conditions, 2435 events. 302/2435 cut-off events. For 302/312 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 21914 event pairs, 192 based on Foata normal form. 0/2209 useless extension candidates. Maximal degree in co-relation 3160. Up to 594 conditions per place. [2022-11-16 11:47:44,551 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/343 dead transitions. [2022-11-16 11:47:44,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 349 places, 343 transitions, 927 flow [2022-11-16 11:47:44,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:44,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1156 transitions. [2022-11-16 11:47:44,554 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.885823754789272 [2022-11-16 11:47:44,554 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1156 transitions. [2022-11-16 11:47:44,554 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1156 transitions. [2022-11-16 11:47:44,555 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:44,555 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1156 transitions. [2022-11-16 11:47:44,557 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.3333333333333) internal successors, (1156), 3 states have internal predecessors, (1156), 0 states have call successors, (0), 0 states 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 11:47:44,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:44,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:44,561 INFO L175 Difference]: Start difference. First operand has 348 places, 341 transitions, 828 flow. Second operand 3 states and 1156 transitions. [2022-11-16 11:47:44,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 349 places, 343 transitions, 927 flow [2022-11-16 11:47:44,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 343 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:44,568 INFO L231 Difference]: Finished difference. Result has 347 places, 340 transitions, 826 flow [2022-11-16 11:47:44,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=822, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=826, PETRI_PLACES=347, PETRI_TRANSITIONS=340} [2022-11-16 11:47:44,569 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -60 predicate places. [2022-11-16 11:47:44,570 INFO L495 AbstractCegarLoop]: Abstraction has has 347 places, 340 transitions, 826 flow [2022-11-16 11:47:44,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.0) internal successors, (1125), 3 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states 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 11:47:44,570 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:44,570 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] [2022-11-16 11:47:44,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 11:47:44,571 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:44,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1539199117, now seen corresponding path program 1 times [2022-11-16 11:47:44,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:44,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684579597] [2022-11-16 11:47:44,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:44,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:44,610 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 11:47:44,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:44,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684579597] [2022-11-16 11:47:44,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684579597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:44,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:44,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:44,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408786030] [2022-11-16 11:47:44,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:44,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:44,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:44,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:44,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:44,614 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:44,615 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 347 places, 340 transitions, 826 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states 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 11:47:44,615 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:44,615 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:44,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:45,249 INFO L130 PetriNetUnfolder]: 408/2922 cut-off events. [2022-11-16 11:47:45,249 INFO L131 PetriNetUnfolder]: For 105/120 co-relation queries the response was YES. [2022-11-16 11:47:45,267 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4529 conditions, 2922 events. 408/2922 cut-off events. For 105/120 co-relation queries the response was YES. Maximal size of possible extension queue 96. Compared 27842 event pairs, 271 based on Foata normal form. 0/2694 useless extension candidates. Maximal degree in co-relation 4028. Up to 636 conditions per place. [2022-11-16 11:47:45,278 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2022-11-16 11:47:45,278 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 342 transitions, 925 flow [2022-11-16 11:47:45,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:45,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:45,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1147 transitions. [2022-11-16 11:47:45,281 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.878927203065134 [2022-11-16 11:47:45,281 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1147 transitions. [2022-11-16 11:47:45,281 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1147 transitions. [2022-11-16 11:47:45,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:45,282 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1147 transitions. [2022-11-16 11:47:45,285 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states 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 11:47:45,287 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:45,288 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:45,288 INFO L175 Difference]: Start difference. First operand has 347 places, 340 transitions, 826 flow. Second operand 3 states and 1147 transitions. [2022-11-16 11:47:45,288 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 342 transitions, 925 flow [2022-11-16 11:47:45,291 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 342 transitions, 921 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:45,295 INFO L231 Difference]: Finished difference. Result has 346 places, 339 transitions, 824 flow [2022-11-16 11:47:45,296 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=820, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=824, PETRI_PLACES=346, PETRI_TRANSITIONS=339} [2022-11-16 11:47:45,296 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -61 predicate places. [2022-11-16 11:47:45,296 INFO L495 AbstractCegarLoop]: Abstraction has has 346 places, 339 transitions, 824 flow [2022-11-16 11:47:45,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states 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 11:47:45,297 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:45,297 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] [2022-11-16 11:47:45,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 11:47:45,297 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:45,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:45,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1215867309, now seen corresponding path program 1 times [2022-11-16 11:47:45,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:45,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522356423] [2022-11-16 11:47:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:45,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:45,342 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 11:47:45,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:45,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522356423] [2022-11-16 11:47:45,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522356423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:45,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:45,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:45,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899902251] [2022-11-16 11:47:45,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:45,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:45,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:45,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:45,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:45,346 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:45,347 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 339 transitions, 824 flow. Second operand has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states 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 11:47:45,347 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:45,347 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:45,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:46,024 INFO L130 PetriNetUnfolder]: 441/2881 cut-off events. [2022-11-16 11:47:46,024 INFO L131 PetriNetUnfolder]: For 265/289 co-relation queries the response was YES. [2022-11-16 11:47:46,060 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4567 conditions, 2881 events. 441/2881 cut-off events. For 265/289 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 27256 event pairs, 303 based on Foata normal form. 0/2647 useless extension candidates. Maximal degree in co-relation 4452. Up to 843 conditions per place. [2022-11-16 11:47:46,077 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 46 selfloop transitions, 2 changer transitions 0/341 dead transitions. [2022-11-16 11:47:46,077 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 341 transitions, 927 flow [2022-11-16 11:47:46,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:46,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:46,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1148 transitions. [2022-11-16 11:47:46,081 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8796934865900383 [2022-11-16 11:47:46,081 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1148 transitions. [2022-11-16 11:47:46,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1148 transitions. [2022-11-16 11:47:46,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:46,082 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1148 transitions. [2022-11-16 11:47:46,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.6666666666667) internal successors, (1148), 3 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states 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 11:47:46,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:46,088 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:46,088 INFO L175 Difference]: Start difference. First operand has 346 places, 339 transitions, 824 flow. Second operand 3 states and 1148 transitions. [2022-11-16 11:47:46,088 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 341 transitions, 927 flow [2022-11-16 11:47:46,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 345 places, 341 transitions, 923 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:46,095 INFO L231 Difference]: Finished difference. Result has 345 places, 338 transitions, 822 flow [2022-11-16 11:47:46,096 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=818, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=338, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=336, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=822, PETRI_PLACES=345, PETRI_TRANSITIONS=338} [2022-11-16 11:47:46,096 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -62 predicate places. [2022-11-16 11:47:46,097 INFO L495 AbstractCegarLoop]: Abstraction has has 345 places, 338 transitions, 822 flow [2022-11-16 11:47:46,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 373.6666666666667) internal successors, (1121), 3 states have internal predecessors, (1121), 0 states have call successors, (0), 0 states 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 11:47:46,097 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:46,097 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] [2022-11-16 11:47:46,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 11:47:46,098 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:46,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:46,098 INFO L85 PathProgramCache]: Analyzing trace with hash 644693236, now seen corresponding path program 1 times [2022-11-16 11:47:46,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:46,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908707582] [2022-11-16 11:47:46,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:46,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:46,143 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 11:47:46,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:46,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908707582] [2022-11-16 11:47:46,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908707582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:46,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:46,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:46,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456487618] [2022-11-16 11:47:46,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:46,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:46,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:46,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:46,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:46,148 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:46,149 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 345 places, 338 transitions, 822 flow. Second operand has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states 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 11:47:46,149 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:46,149 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:46,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:46,798 INFO L130 PetriNetUnfolder]: 652/3360 cut-off events. [2022-11-16 11:47:46,799 INFO L131 PetriNetUnfolder]: For 288/309 co-relation queries the response was YES. [2022-11-16 11:47:46,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5819 conditions, 3360 events. 652/3360 cut-off events. For 288/309 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 33065 event pairs, 487 based on Foata normal form. 0/3141 useless extension candidates. Maximal degree in co-relation 5430. Up to 1252 conditions per place. [2022-11-16 11:47:46,844 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 42 selfloop transitions, 2 changer transitions 0/340 dead transitions. [2022-11-16 11:47:46,844 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 340 transitions, 917 flow [2022-11-16 11:47:46,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:46,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1154 transitions. [2022-11-16 11:47:46,847 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842911877394636 [2022-11-16 11:47:46,847 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1154 transitions. [2022-11-16 11:47:46,847 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1154 transitions. [2022-11-16 11:47:46,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:46,848 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1154 transitions. [2022-11-16 11:47:46,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states 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 11:47:46,853 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:46,853 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:46,854 INFO L175 Difference]: Start difference. First operand has 345 places, 338 transitions, 822 flow. Second operand 3 states and 1154 transitions. [2022-11-16 11:47:46,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 340 transitions, 917 flow [2022-11-16 11:47:46,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 340 transitions, 913 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:46,861 INFO L231 Difference]: Finished difference. Result has 344 places, 337 transitions, 820 flow [2022-11-16 11:47:46,862 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=816, PETRI_DIFFERENCE_MINUEND_PLACES=342, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=335, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=820, PETRI_PLACES=344, PETRI_TRANSITIONS=337} [2022-11-16 11:47:46,862 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -63 predicate places. [2022-11-16 11:47:46,862 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 337 transitions, 820 flow [2022-11-16 11:47:46,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states 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 11:47:46,863 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:46,863 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] [2022-11-16 11:47:46,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 11:47:46,864 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting thread4Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:46,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:46,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1972317830, now seen corresponding path program 1 times [2022-11-16 11:47:46,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:46,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996401093] [2022-11-16 11:47:46,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:46,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:46,915 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 11:47:46,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:46,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996401093] [2022-11-16 11:47:46,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996401093] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:46,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:46,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:46,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343206249] [2022-11-16 11:47:46,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:46,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:46,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:46,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:46,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:46,919 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:46,920 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 337 transitions, 820 flow. Second operand has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states 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 11:47:46,920 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:46,920 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:46,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:47,443 INFO L130 PetriNetUnfolder]: 296/2390 cut-off events. [2022-11-16 11:47:47,443 INFO L131 PetriNetUnfolder]: For 296/306 co-relation queries the response was YES. [2022-11-16 11:47:47,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3542 conditions, 2390 events. 296/2390 cut-off events. For 296/306 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 21137 event pairs, 186 based on Foata normal form. 0/2203 useless extension candidates. Maximal degree in co-relation 3240. Up to 575 conditions per place. [2022-11-16 11:47:47,467 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/339 dead transitions. [2022-11-16 11:47:47,467 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 339 transitions, 917 flow [2022-11-16 11:47:47,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1155 transitions. [2022-11-16 11:47:47,470 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8850574712643678 [2022-11-16 11:47:47,470 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1155 transitions. [2022-11-16 11:47:47,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1155 transitions. [2022-11-16 11:47:47,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:47,471 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1155 transitions. [2022-11-16 11:47:47,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 385.0) internal successors, (1155), 3 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states 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 11:47:47,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:47,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:47,476 INFO L175 Difference]: Start difference. First operand has 344 places, 337 transitions, 820 flow. Second operand 3 states and 1155 transitions. [2022-11-16 11:47:47,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 339 transitions, 917 flow [2022-11-16 11:47:47,479 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 343 places, 339 transitions, 913 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:47,483 INFO L231 Difference]: Finished difference. Result has 343 places, 336 transitions, 818 flow [2022-11-16 11:47:47,484 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=814, PETRI_DIFFERENCE_MINUEND_PLACES=341, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=336, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=818, PETRI_PLACES=343, PETRI_TRANSITIONS=336} [2022-11-16 11:47:47,484 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -64 predicate places. [2022-11-16 11:47:47,484 INFO L495 AbstractCegarLoop]: Abstraction has has 343 places, 336 transitions, 818 flow [2022-11-16 11:47:47,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.0) internal successors, (1131), 3 states have internal predecessors, (1131), 0 states have call successors, (0), 0 states 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 11:47:47,485 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:47,485 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] [2022-11-16 11:47:47,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 11:47:47,485 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting thread1Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash 903949278, now seen corresponding path program 1 times [2022-11-16 11:47:47,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:47,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819496139] [2022-11-16 11:47:47,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:47,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:47,522 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 11:47:47,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:47,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819496139] [2022-11-16 11:47:47,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819496139] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:47,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:47,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:47,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298769620] [2022-11-16 11:47:47,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:47,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:47,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:47,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:47,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:47,526 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:47,527 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 343 places, 336 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states 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 11:47:47,527 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:47,527 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:47,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:48,056 INFO L130 PetriNetUnfolder]: 399/2865 cut-off events. [2022-11-16 11:47:48,056 INFO L131 PetriNetUnfolder]: For 105/120 co-relation queries the response was YES. [2022-11-16 11:47:48,076 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4442 conditions, 2865 events. 399/2865 cut-off events. For 105/120 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 26986 event pairs, 262 based on Foata normal form. 0/2685 useless extension candidates. Maximal degree in co-relation 4073. Up to 615 conditions per place. [2022-11-16 11:47:48,086 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 43 selfloop transitions, 2 changer transitions 0/338 dead transitions. [2022-11-16 11:47:48,087 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 338 transitions, 915 flow [2022-11-16 11:47:48,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:48,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:48,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2022-11-16 11:47:48,090 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2022-11-16 11:47:48,090 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1146 transitions. [2022-11-16 11:47:48,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1146 transitions. [2022-11-16 11:47:48,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:48,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1146 transitions. [2022-11-16 11:47:48,093 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states 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 11:47:48,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:48,096 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:48,096 INFO L175 Difference]: Start difference. First operand has 343 places, 336 transitions, 818 flow. Second operand 3 states and 1146 transitions. [2022-11-16 11:47:48,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 338 transitions, 915 flow [2022-11-16 11:47:48,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 338 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:48,104 INFO L231 Difference]: Finished difference. Result has 342 places, 335 transitions, 816 flow [2022-11-16 11:47:48,105 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=812, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=333, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=816, PETRI_PLACES=342, PETRI_TRANSITIONS=335} [2022-11-16 11:47:48,105 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -65 predicate places. [2022-11-16 11:47:48,105 INFO L495 AbstractCegarLoop]: Abstraction has has 342 places, 335 transitions, 816 flow [2022-11-16 11:47:48,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states 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 11:47:48,106 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:48,106 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] [2022-11-16 11:47:48,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 11:47:48,107 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:48,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash 45876516, now seen corresponding path program 1 times [2022-11-16 11:47:48,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:48,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636088178] [2022-11-16 11:47:48,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:48,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:48,554 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 11:47:48,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:48,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636088178] [2022-11-16 11:47:48,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636088178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:48,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:48,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:48,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721862109] [2022-11-16 11:47:48,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:48,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:47:48,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:48,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:47:48,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:47:48,558 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-16 11:47:48,560 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 335 transitions, 816 flow. Second operand has 6 states, 6 states have (on average 393.1666666666667) internal successors, (2359), 6 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states 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 11:47:48,560 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:48,560 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-16 11:47:48,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:48,906 INFO L130 PetriNetUnfolder]: 88/1748 cut-off events. [2022-11-16 11:47:48,907 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-16 11:47:48,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2292 conditions, 1748 events. 88/1748 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 13440 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2221. Up to 109 conditions per place. [2022-11-16 11:47:48,925 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 29 selfloop transitions, 4 changer transitions 0/334 dead transitions. [2022-11-16 11:47:48,925 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 334 transitions, 880 flow [2022-11-16 11:47:48,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:47:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:47:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2374 transitions. [2022-11-16 11:47:48,932 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9095785440613027 [2022-11-16 11:47:48,932 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2374 transitions. [2022-11-16 11:47:48,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2374 transitions. [2022-11-16 11:47:48,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:48,934 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2374 transitions. [2022-11-16 11:47:48,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.6666666666667) internal successors, (2374), 6 states have internal predecessors, (2374), 0 states have call successors, (0), 0 states 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 11:47:48,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:48,943 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:48,943 INFO L175 Difference]: Start difference. First operand has 342 places, 335 transitions, 816 flow. Second operand 6 states and 2374 transitions. [2022-11-16 11:47:48,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 334 transitions, 880 flow [2022-11-16 11:47:48,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 344 places, 334 transitions, 876 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:48,950 INFO L231 Difference]: Finished difference. Result has 344 places, 334 transitions, 818 flow [2022-11-16 11:47:48,951 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=810, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=334, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=818, PETRI_PLACES=344, PETRI_TRANSITIONS=334} [2022-11-16 11:47:48,951 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -63 predicate places. [2022-11-16 11:47:48,951 INFO L495 AbstractCegarLoop]: Abstraction has has 344 places, 334 transitions, 818 flow [2022-11-16 11:47:48,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 393.1666666666667) internal successors, (2359), 6 states have internal predecessors, (2359), 0 states have call successors, (0), 0 states 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 11:47:48,953 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:48,953 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] [2022-11-16 11:47:48,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 11:47:48,953 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:48,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1980469314, now seen corresponding path program 1 times [2022-11-16 11:47:48,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:48,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477090734] [2022-11-16 11:47:48,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:48,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:48,992 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 11:47:48,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:48,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477090734] [2022-11-16 11:47:48,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477090734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:48,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:48,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:48,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575087782] [2022-11-16 11:47:48,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:48,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:48,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:48,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:48,995 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:48,997 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 344 places, 334 transitions, 818 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states 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 11:47:48,997 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:48,997 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:48,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:49,507 INFO L130 PetriNetUnfolder]: 431/2822 cut-off events. [2022-11-16 11:47:49,507 INFO L131 PetriNetUnfolder]: For 258/282 co-relation queries the response was YES. [2022-11-16 11:47:49,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4480 conditions, 2822 events. 431/2822 cut-off events. For 258/282 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 26630 event pairs, 293 based on Foata normal form. 0/2637 useless extension candidates. Maximal degree in co-relation 3973. Up to 815 conditions per place. [2022-11-16 11:47:49,538 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 45 selfloop transitions, 2 changer transitions 0/336 dead transitions. [2022-11-16 11:47:49,538 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 345 places, 336 transitions, 919 flow [2022-11-16 11:47:49,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:49,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1147 transitions. [2022-11-16 11:47:49,542 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.878927203065134 [2022-11-16 11:47:49,542 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1147 transitions. [2022-11-16 11:47:49,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1147 transitions. [2022-11-16 11:47:49,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:49,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1147 transitions. [2022-11-16 11:47:49,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.3333333333333) internal successors, (1147), 3 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states 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 11:47:49,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:49,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:49,548 INFO L175 Difference]: Start difference. First operand has 344 places, 334 transitions, 818 flow. Second operand 3 states and 1147 transitions. [2022-11-16 11:47:49,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 345 places, 336 transitions, 919 flow [2022-11-16 11:47:49,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 341 places, 336 transitions, 912 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:47:49,555 INFO L231 Difference]: Finished difference. Result has 341 places, 333 transitions, 813 flow [2022-11-16 11:47:49,556 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=809, PETRI_DIFFERENCE_MINUEND_PLACES=339, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=333, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=331, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=813, PETRI_PLACES=341, PETRI_TRANSITIONS=333} [2022-11-16 11:47:49,556 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -66 predicate places. [2022-11-16 11:47:49,557 INFO L495 AbstractCegarLoop]: Abstraction has has 341 places, 333 transitions, 813 flow [2022-11-16 11:47:49,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states 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 11:47:49,557 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:49,558 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] [2022-11-16 11:47:49,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 11:47:49,558 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting thread2Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:49,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:49,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1116464658, now seen corresponding path program 1 times [2022-11-16 11:47:49,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:49,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220690567] [2022-11-16 11:47:49,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:49,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:49,595 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 11:47:49,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:49,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220690567] [2022-11-16 11:47:49,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220690567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:49,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:49,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:49,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146292282] [2022-11-16 11:47:49,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:49,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:49,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:49,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:49,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:49,599 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:49,600 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 333 transitions, 813 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states 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 11:47:49,600 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:49,600 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:49,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:50,204 INFO L130 PetriNetUnfolder]: 635/3287 cut-off events. [2022-11-16 11:47:50,204 INFO L131 PetriNetUnfolder]: For 285/306 co-relation queries the response was YES. [2022-11-16 11:47:50,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5691 conditions, 3287 events. 635/3287 cut-off events. For 285/306 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 32059 event pairs, 470 based on Foata normal form. 0/3124 useless extension candidates. Maximal degree in co-relation 5434. Up to 1208 conditions per place. [2022-11-16 11:47:50,241 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 41 selfloop transitions, 2 changer transitions 0/335 dead transitions. [2022-11-16 11:47:50,242 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 335 transitions, 906 flow [2022-11-16 11:47:50,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1153 transitions. [2022-11-16 11:47:50,244 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8835249042145594 [2022-11-16 11:47:50,244 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1153 transitions. [2022-11-16 11:47:50,244 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1153 transitions. [2022-11-16 11:47:50,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:50,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1153 transitions. [2022-11-16 11:47:50,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states 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 11:47:50,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:50,250 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:50,250 INFO L175 Difference]: Start difference. First operand has 341 places, 333 transitions, 813 flow. Second operand 3 states and 1153 transitions. [2022-11-16 11:47:50,251 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 335 transitions, 906 flow [2022-11-16 11:47:50,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 335 transitions, 902 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:50,259 INFO L231 Difference]: Finished difference. Result has 340 places, 332 transitions, 811 flow [2022-11-16 11:47:50,259 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=807, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=332, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=330, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=811, PETRI_PLACES=340, PETRI_TRANSITIONS=332} [2022-11-16 11:47:50,260 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -67 predicate places. [2022-11-16 11:47:50,260 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 332 transitions, 811 flow [2022-11-16 11:47:50,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states 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 11:47:50,260 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:50,261 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] [2022-11-16 11:47:50,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 11:47:50,261 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting thread4Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:50,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:50,262 INFO L85 PathProgramCache]: Analyzing trace with hash -407116758, now seen corresponding path program 1 times [2022-11-16 11:47:50,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:50,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371826074] [2022-11-16 11:47:50,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:50,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:50,300 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 11:47:50,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:50,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371826074] [2022-11-16 11:47:50,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371826074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:50,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:50,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:50,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590806396] [2022-11-16 11:47:50,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:50,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:50,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:50,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:50,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:50,304 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:50,305 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 332 transitions, 811 flow. Second operand has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states 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 11:47:50,305 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:50,305 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:50,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:50,844 INFO L130 PetriNetUnfolder]: 290/2342 cut-off events. [2022-11-16 11:47:50,844 INFO L131 PetriNetUnfolder]: For 290/300 co-relation queries the response was YES. [2022-11-16 11:47:50,872 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3478 conditions, 2342 events. 290/2342 cut-off events. For 290/300 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 20609 event pairs, 180 based on Foata normal form. 0/2197 useless extension candidates. Maximal degree in co-relation 3320. Up to 556 conditions per place. [2022-11-16 11:47:50,881 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 42 selfloop transitions, 2 changer transitions 0/334 dead transitions. [2022-11-16 11:47:50,882 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 334 transitions, 906 flow [2022-11-16 11:47:50,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:50,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1154 transitions. [2022-11-16 11:47:50,884 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8842911877394636 [2022-11-16 11:47:50,885 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1154 transitions. [2022-11-16 11:47:50,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1154 transitions. [2022-11-16 11:47:50,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:50,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1154 transitions. [2022-11-16 11:47:50,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.6666666666667) internal successors, (1154), 3 states have internal predecessors, (1154), 0 states have call successors, (0), 0 states 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 11:47:50,890 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:50,890 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:50,890 INFO L175 Difference]: Start difference. First operand has 340 places, 332 transitions, 811 flow. Second operand 3 states and 1154 transitions. [2022-11-16 11:47:50,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 334 transitions, 906 flow [2022-11-16 11:47:50,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 334 transitions, 902 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:50,898 INFO L231 Difference]: Finished difference. Result has 339 places, 331 transitions, 809 flow [2022-11-16 11:47:50,899 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=805, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=331, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=329, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=809, PETRI_PLACES=339, PETRI_TRANSITIONS=331} [2022-11-16 11:47:50,899 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -68 predicate places. [2022-11-16 11:47:50,899 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 331 transitions, 809 flow [2022-11-16 11:47:50,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 379.0) internal successors, (1137), 3 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states 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 11:47:50,900 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:50,900 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] [2022-11-16 11:47:50,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 11:47:50,900 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting thread3Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:50,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:50,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1736504001, now seen corresponding path program 1 times [2022-11-16 11:47:50,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:50,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228847865] [2022-11-16 11:47:50,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:50,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:50,942 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 11:47:50,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:50,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228847865] [2022-11-16 11:47:50,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228847865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:50,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:50,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:50,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314702692] [2022-11-16 11:47:50,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:50,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:50,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:50,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:50,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:50,945 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 367 out of 435 [2022-11-16 11:47:50,946 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 339 places, 331 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states 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 11:47:50,946 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:50,946 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 367 of 435 [2022-11-16 11:47:50,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:51,510 INFO L130 PetriNetUnfolder]: 420/2768 cut-off events. [2022-11-16 11:47:51,510 INFO L131 PetriNetUnfolder]: For 268/292 co-relation queries the response was YES. [2022-11-16 11:47:51,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4404 conditions, 2768 events. 420/2768 cut-off events. For 268/292 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 25893 event pairs, 281 based on Foata normal form. 0/2626 useless extension candidates. Maximal degree in co-relation 4177. Up to 786 conditions per place. [2022-11-16 11:47:51,539 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 44 selfloop transitions, 2 changer transitions 0/333 dead transitions. [2022-11-16 11:47:51,540 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 340 places, 333 transitions, 908 flow [2022-11-16 11:47:51,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:51,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:51,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1146 transitions. [2022-11-16 11:47:51,543 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8781609195402299 [2022-11-16 11:47:51,543 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1146 transitions. [2022-11-16 11:47:51,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1146 transitions. [2022-11-16 11:47:51,544 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:51,544 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1146 transitions. [2022-11-16 11:47:51,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 382.0) internal successors, (1146), 3 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states 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 11:47:51,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:51,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:51,548 INFO L175 Difference]: Start difference. First operand has 339 places, 331 transitions, 809 flow. Second operand 3 states and 1146 transitions. [2022-11-16 11:47:51,548 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 340 places, 333 transitions, 908 flow [2022-11-16 11:47:51,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 338 places, 333 transitions, 904 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:51,555 INFO L231 Difference]: Finished difference. Result has 338 places, 330 transitions, 807 flow [2022-11-16 11:47:51,556 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=803, PETRI_DIFFERENCE_MINUEND_PLACES=336, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=330, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=807, PETRI_PLACES=338, PETRI_TRANSITIONS=330} [2022-11-16 11:47:51,556 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -69 predicate places. [2022-11-16 11:47:51,556 INFO L495 AbstractCegarLoop]: Abstraction has has 338 places, 330 transitions, 807 flow [2022-11-16 11:47:51,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.6666666666667) internal successors, (1133), 3 states have internal predecessors, (1133), 0 states have call successors, (0), 0 states 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 11:47:51,557 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:51,557 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] [2022-11-16 11:47:51,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 11:47:51,558 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:51,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:51,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1183719220, now seen corresponding path program 1 times [2022-11-16 11:47:51,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:51,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488559639] [2022-11-16 11:47:51,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:51,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:51,972 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 11:47:51,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:51,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488559639] [2022-11-16 11:47:51,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488559639] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:51,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:51,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:51,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352038795] [2022-11-16 11:47:51,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:51,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:47:51,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:51,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:47:51,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:47:51,976 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-16 11:47:51,978 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 330 transitions, 807 flow. Second operand has 6 states, 6 states have (on average 394.1666666666667) internal successors, (2365), 6 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states 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 11:47:51,978 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:51,978 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-16 11:47:51,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:52,342 INFO L130 PetriNetUnfolder]: 88/1706 cut-off events. [2022-11-16 11:47:52,342 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2022-11-16 11:47:52,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2262 conditions, 1706 events. 88/1706 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12972 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2160. Up to 109 conditions per place. [2022-11-16 11:47:52,358 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 28 selfloop transitions, 4 changer transitions 0/329 dead transitions. [2022-11-16 11:47:52,358 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 342 places, 329 transitions, 869 flow [2022-11-16 11:47:52,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:47:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:47:52,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2373 transitions. [2022-11-16 11:47:52,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9091954022988505 [2022-11-16 11:47:52,364 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2373 transitions. [2022-11-16 11:47:52,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2373 transitions. [2022-11-16 11:47:52,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:52,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2373 transitions. [2022-11-16 11:47:52,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.5) internal successors, (2373), 6 states have internal predecessors, (2373), 0 states have call successors, (0), 0 states 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 11:47:52,369 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:52,369 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:52,369 INFO L175 Difference]: Start difference. First operand has 338 places, 330 transitions, 807 flow. Second operand 6 states and 2373 transitions. [2022-11-16 11:47:52,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 342 places, 329 transitions, 869 flow [2022-11-16 11:47:52,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 340 places, 329 transitions, 865 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:52,376 INFO L231 Difference]: Finished difference. Result has 340 places, 329 transitions, 809 flow [2022-11-16 11:47:52,377 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=801, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=329, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=325, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=809, PETRI_PLACES=340, PETRI_TRANSITIONS=329} [2022-11-16 11:47:52,378 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -67 predicate places. [2022-11-16 11:47:52,378 INFO L495 AbstractCegarLoop]: Abstraction has has 340 places, 329 transitions, 809 flow [2022-11-16 11:47:52,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 394.1666666666667) internal successors, (2365), 6 states have internal predecessors, (2365), 0 states have call successors, (0), 0 states 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 11:47:52,379 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:52,379 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] [2022-11-16 11:47:52,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-16 11:47:52,380 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting thread4Err13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:52,380 INFO L85 PathProgramCache]: Analyzing trace with hash -187809518, now seen corresponding path program 1 times [2022-11-16 11:47:52,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:52,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870200272] [2022-11-16 11:47:52,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:52,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:52,422 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 11:47:52,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:52,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870200272] [2022-11-16 11:47:52,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870200272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:52,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:52,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:52,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339229886] [2022-11-16 11:47:52,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:52,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:52,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:52,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:52,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:52,426 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 370 out of 435 [2022-11-16 11:47:52,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 329 transitions, 809 flow. Second operand has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states 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 11:47:52,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:52,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 370 of 435 [2022-11-16 11:47:52,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:52,888 INFO L130 PetriNetUnfolder]: 280/2301 cut-off events. [2022-11-16 11:47:52,888 INFO L131 PetriNetUnfolder]: For 274/284 co-relation queries the response was YES. [2022-11-16 11:47:52,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3418 conditions, 2301 events. 280/2301 cut-off events. For 274/284 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 20089 event pairs, 168 based on Foata normal form. 0/2187 useless extension candidates. Maximal degree in co-relation 3130. Up to 533 conditions per place. [2022-11-16 11:47:52,911 INFO L137 encePairwiseOnDemand]: 432/435 looper letters, 41 selfloop transitions, 2 changer transitions 0/331 dead transitions. [2022-11-16 11:47:52,911 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 331 transitions, 902 flow [2022-11-16 11:47:52,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:52,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:47:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1153 transitions. [2022-11-16 11:47:52,914 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8835249042145594 [2022-11-16 11:47:52,914 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1153 transitions. [2022-11-16 11:47:52,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1153 transitions. [2022-11-16 11:47:52,915 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:52,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1153 transitions. [2022-11-16 11:47:52,917 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 384.3333333333333) internal successors, (1153), 3 states have internal predecessors, (1153), 0 states have call successors, (0), 0 states 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 11:47:52,919 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:52,919 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 435.0) internal successors, (1740), 4 states have internal predecessors, (1740), 0 states have call successors, (0), 0 states 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 11:47:52,919 INFO L175 Difference]: Start difference. First operand has 340 places, 329 transitions, 809 flow. Second operand 3 states and 1153 transitions. [2022-11-16 11:47:52,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 331 transitions, 902 flow [2022-11-16 11:47:52,923 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 331 transitions, 895 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:47:52,927 INFO L231 Difference]: Finished difference. Result has 337 places, 328 transitions, 804 flow [2022-11-16 11:47:52,927 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=328, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=326, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=804, PETRI_PLACES=337, PETRI_TRANSITIONS=328} [2022-11-16 11:47:52,928 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -70 predicate places. [2022-11-16 11:47:52,928 INFO L495 AbstractCegarLoop]: Abstraction has has 337 places, 328 transitions, 804 flow [2022-11-16 11:47:52,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 381.0) internal successors, (1143), 3 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states 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 11:47:52,928 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:47:52,929 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 11:47:52,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-16 11:47:52,929 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2022-11-16 11:47:52,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:52,930 INFO L85 PathProgramCache]: Analyzing trace with hash 80939958, now seen corresponding path program 1 times [2022-11-16 11:47:52,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:52,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085214391] [2022-11-16 11:47:52,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:52,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:52,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:53,507 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 11:47:53,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:53,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085214391] [2022-11-16 11:47:53,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085214391] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:53,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:53,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:53,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147704323] [2022-11-16 11:47:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:53,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:47:53,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:53,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:47:53,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:47:53,513 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 390 out of 435 [2022-11-16 11:47:53,515 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 337 places, 328 transitions, 804 flow. Second operand has 6 states, 6 states have (on average 395.1666666666667) internal successors, (2371), 6 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states 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 11:47:53,515 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:47:53,515 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 390 of 435 [2022-11-16 11:47:53,516 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:47:53,934 INFO L130 PetriNetUnfolder]: 88/1696 cut-off events. [2022-11-16 11:47:53,934 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-16 11:47:53,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2248 conditions, 1696 events. 88/1696 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 12902 event pairs, 8 based on Foata normal form. 0/1622 useless extension candidates. Maximal degree in co-relation 2149. Up to 109 conditions per place. [2022-11-16 11:47:53,955 INFO L137 encePairwiseOnDemand]: 430/435 looper letters, 0 selfloop transitions, 0 changer transitions 327/327 dead transitions. [2022-11-16 11:47:53,955 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 341 places, 327 transitions, 864 flow [2022-11-16 11:47:53,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:47:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:47:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2372 transitions. [2022-11-16 11:47:53,960 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9088122605363985 [2022-11-16 11:47:53,960 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2372 transitions. [2022-11-16 11:47:53,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2372 transitions. [2022-11-16 11:47:53,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:47:53,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2372 transitions. [2022-11-16 11:47:53,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 395.3333333333333) internal successors, (2372), 6 states have internal predecessors, (2372), 0 states have call successors, (0), 0 states 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 11:47:53,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:53,971 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 435.0) internal successors, (3045), 7 states have internal predecessors, (3045), 0 states have call successors, (0), 0 states 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 11:47:53,971 INFO L175 Difference]: Start difference. First operand has 337 places, 328 transitions, 804 flow. Second operand 6 states and 2372 transitions. [2022-11-16 11:47:53,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 341 places, 327 transitions, 864 flow [2022-11-16 11:47:53,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 339 places, 327 transitions, 860 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:47:53,978 INFO L231 Difference]: Finished difference. Result has 339 places, 0 transitions, 0 flow [2022-11-16 11:47:53,979 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=435, PETRI_DIFFERENCE_MINUEND_FLOW=798, PETRI_DIFFERENCE_MINUEND_PLACES=334, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=327, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=339, PETRI_TRANSITIONS=0} [2022-11-16 11:47:53,979 INFO L288 CegarLoopForPetriNet]: 407 programPoint places, -68 predicate places. [2022-11-16 11:47:53,979 INFO L495 AbstractCegarLoop]: Abstraction has has 339 places, 0 transitions, 0 flow [2022-11-16 11:47:53,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 395.1666666666667) internal successors, (2371), 6 states have internal predecessors, (2371), 0 states have call successors, (0), 0 states 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 11:47:53,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (134 of 135 remaining) [2022-11-16 11:47:53,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (133 of 135 remaining) [2022-11-16 11:47:53,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (132 of 135 remaining) [2022-11-16 11:47:53,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (131 of 135 remaining) [2022-11-16 11:47:53,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (130 of 135 remaining) [2022-11-16 11:47:53,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (129 of 135 remaining) [2022-11-16 11:47:53,984 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (128 of 135 remaining) [2022-11-16 11:47:53,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (127 of 135 remaining) [2022-11-16 11:47:53,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (126 of 135 remaining) [2022-11-16 11:47:53,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (125 of 135 remaining) [2022-11-16 11:47:53,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (124 of 135 remaining) [2022-11-16 11:47:53,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (123 of 135 remaining) [2022-11-16 11:47:53,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (122 of 135 remaining) [2022-11-16 11:47:53,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (121 of 135 remaining) [2022-11-16 11:47:53,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (120 of 135 remaining) [2022-11-16 11:47:53,986 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (119 of 135 remaining) [2022-11-16 11:47:53,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (118 of 135 remaining) [2022-11-16 11:47:53,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (117 of 135 remaining) [2022-11-16 11:47:53,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (116 of 135 remaining) [2022-11-16 11:47:53,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (115 of 135 remaining) [2022-11-16 11:47:53,987 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (114 of 135 remaining) [2022-11-16 11:47:53,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (113 of 135 remaining) [2022-11-16 11:47:53,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (112 of 135 remaining) [2022-11-16 11:47:53,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (111 of 135 remaining) [2022-11-16 11:47:53,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (110 of 135 remaining) [2022-11-16 11:47:53,988 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (109 of 135 remaining) [2022-11-16 11:47:53,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (108 of 135 remaining) [2022-11-16 11:47:53,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (107 of 135 remaining) [2022-11-16 11:47:53,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (106 of 135 remaining) [2022-11-16 11:47:53,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (105 of 135 remaining) [2022-11-16 11:47:53,989 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (104 of 135 remaining) [2022-11-16 11:47:53,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (103 of 135 remaining) [2022-11-16 11:47:53,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (102 of 135 remaining) [2022-11-16 11:47:53,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (101 of 135 remaining) [2022-11-16 11:47:53,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (100 of 135 remaining) [2022-11-16 11:47:53,990 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (99 of 135 remaining) [2022-11-16 11:47:53,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (98 of 135 remaining) [2022-11-16 11:47:53,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (97 of 135 remaining) [2022-11-16 11:47:53,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (96 of 135 remaining) [2022-11-16 11:47:53,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (95 of 135 remaining) [2022-11-16 11:47:53,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (94 of 135 remaining) [2022-11-16 11:47:53,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (93 of 135 remaining) [2022-11-16 11:47:53,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (92 of 135 remaining) [2022-11-16 11:47:53,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (91 of 135 remaining) [2022-11-16 11:47:53,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (90 of 135 remaining) [2022-11-16 11:47:53,992 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (89 of 135 remaining) [2022-11-16 11:47:53,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (88 of 135 remaining) [2022-11-16 11:47:53,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (87 of 135 remaining) [2022-11-16 11:47:53,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (86 of 135 remaining) [2022-11-16 11:47:53,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (85 of 135 remaining) [2022-11-16 11:47:53,993 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (84 of 135 remaining) [2022-11-16 11:47:53,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (83 of 135 remaining) [2022-11-16 11:47:53,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (82 of 135 remaining) [2022-11-16 11:47:53,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (81 of 135 remaining) [2022-11-16 11:47:53,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (80 of 135 remaining) [2022-11-16 11:47:53,994 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (79 of 135 remaining) [2022-11-16 11:47:53,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (78 of 135 remaining) [2022-11-16 11:47:53,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (77 of 135 remaining) [2022-11-16 11:47:53,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (76 of 135 remaining) [2022-11-16 11:47:53,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (75 of 135 remaining) [2022-11-16 11:47:53,995 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (74 of 135 remaining) [2022-11-16 11:47:53,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (73 of 135 remaining) [2022-11-16 11:47:53,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (72 of 135 remaining) [2022-11-16 11:47:53,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (71 of 135 remaining) [2022-11-16 11:47:53,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (70 of 135 remaining) [2022-11-16 11:47:53,996 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (69 of 135 remaining) [2022-11-16 11:47:53,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (68 of 135 remaining) [2022-11-16 11:47:53,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (67 of 135 remaining) [2022-11-16 11:47:53,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (66 of 135 remaining) [2022-11-16 11:47:53,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (65 of 135 remaining) [2022-11-16 11:47:53,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (64 of 135 remaining) [2022-11-16 11:47:53,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (63 of 135 remaining) [2022-11-16 11:47:53,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (62 of 135 remaining) [2022-11-16 11:47:53,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (61 of 135 remaining) [2022-11-16 11:47:53,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (60 of 135 remaining) [2022-11-16 11:47:53,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (59 of 135 remaining) [2022-11-16 11:47:53,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (58 of 135 remaining) [2022-11-16 11:47:53,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (57 of 135 remaining) [2022-11-16 11:47:53,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (56 of 135 remaining) [2022-11-16 11:47:53,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (55 of 135 remaining) [2022-11-16 11:47:53,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (54 of 135 remaining) [2022-11-16 11:47:54,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (53 of 135 remaining) [2022-11-16 11:47:54,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (52 of 135 remaining) [2022-11-16 11:47:54,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (51 of 135 remaining) [2022-11-16 11:47:54,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (50 of 135 remaining) [2022-11-16 11:47:54,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 135 remaining) [2022-11-16 11:47:54,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (48 of 135 remaining) [2022-11-16 11:47:54,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (47 of 135 remaining) [2022-11-16 11:47:54,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (46 of 135 remaining) [2022-11-16 11:47:54,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (45 of 135 remaining) [2022-11-16 11:47:54,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (44 of 135 remaining) [2022-11-16 11:47:54,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (43 of 135 remaining) [2022-11-16 11:47:54,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (42 of 135 remaining) [2022-11-16 11:47:54,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (41 of 135 remaining) [2022-11-16 11:47:54,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (40 of 135 remaining) [2022-11-16 11:47:54,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (39 of 135 remaining) [2022-11-16 11:47:54,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (38 of 135 remaining) [2022-11-16 11:47:54,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (37 of 135 remaining) [2022-11-16 11:47:54,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 135 remaining) [2022-11-16 11:47:54,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (35 of 135 remaining) [2022-11-16 11:47:54,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (34 of 135 remaining) [2022-11-16 11:47:54,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (33 of 135 remaining) [2022-11-16 11:47:54,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (32 of 135 remaining) [2022-11-16 11:47:54,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (31 of 135 remaining) [2022-11-16 11:47:54,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (30 of 135 remaining) [2022-11-16 11:47:54,004 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (29 of 135 remaining) [2022-11-16 11:47:54,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (28 of 135 remaining) [2022-11-16 11:47:54,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (27 of 135 remaining) [2022-11-16 11:47:54,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (26 of 135 remaining) [2022-11-16 11:47:54,005 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (25 of 135 remaining) [2022-11-16 11:47:54,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (24 of 135 remaining) [2022-11-16 11:47:54,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (23 of 135 remaining) [2022-11-16 11:47:54,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (22 of 135 remaining) [2022-11-16 11:47:54,006 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (21 of 135 remaining) [2022-11-16 11:47:54,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (20 of 135 remaining) [2022-11-16 11:47:54,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (19 of 135 remaining) [2022-11-16 11:47:54,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (18 of 135 remaining) [2022-11-16 11:47:54,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (17 of 135 remaining) [2022-11-16 11:47:54,007 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (16 of 135 remaining) [2022-11-16 11:47:54,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err12ASSERT_VIOLATIONDATA_RACE (15 of 135 remaining) [2022-11-16 11:47:54,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err13ASSERT_VIOLATIONDATA_RACE (14 of 135 remaining) [2022-11-16 11:47:54,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (13 of 135 remaining) [2022-11-16 11:47:54,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (12 of 135 remaining) [2022-11-16 11:47:54,008 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (11 of 135 remaining) [2022-11-16 11:47:54,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (10 of 135 remaining) [2022-11-16 11:47:54,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (9 of 135 remaining) [2022-11-16 11:47:54,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (8 of 135 remaining) [2022-11-16 11:47:54,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err6ASSERT_VIOLATIONDATA_RACE (7 of 135 remaining) [2022-11-16 11:47:54,009 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err7ASSERT_VIOLATIONDATA_RACE (6 of 135 remaining) [2022-11-16 11:47:54,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err8ASSERT_VIOLATIONDATA_RACE (5 of 135 remaining) [2022-11-16 11:47:54,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err9ASSERT_VIOLATIONDATA_RACE (4 of 135 remaining) [2022-11-16 11:47:54,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err10ASSERT_VIOLATIONDATA_RACE (3 of 135 remaining) [2022-11-16 11:47:54,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err11ASSERT_VIOLATIONDATA_RACE (2 of 135 remaining) [2022-11-16 11:47:54,010 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err12ASSERT_VIOLATIONDATA_RACE (1 of 135 remaining) [2022-11-16 11:47:54,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread4Err13ASSERT_VIOLATIONDATA_RACE (0 of 135 remaining) [2022-11-16 11:47:54,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-16 11:47:54,011 INFO L444 BasicCegarLoop]: Path program 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] [2022-11-16 11:47:54,020 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:47:54,021 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:47:54,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:47:54 BasicIcfg [2022-11-16 11:47:54,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:47:54,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:47:54,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:47:54,031 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:47:54,031 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:28" (3/4) ... [2022-11-16 11:47:54,034 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:47:54,041 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:47:54,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:47:54,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:47:54,042 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-11-16 11:47:54,049 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-16 11:47:54,049 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:47:54,050 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:47:54,050 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:47:54,118 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:47:54,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:47:54,120 INFO L158 Benchmark]: Toolchain (without parser) took 26548.53ms. Allocated memory was 125.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 87.4MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 389.2MB. Max. memory is 16.1GB. [2022-11-16 11:47:54,120 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 104.7MB in the beginning and 104.6MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:47:54,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.16ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 100.4MB in the end (delta: -13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:47:54,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.82ms. Allocated memory is still 125.8MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:47:54,121 INFO L158 Benchmark]: Boogie Preprocessor took 56.01ms. Allocated memory is still 125.8MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:47:54,121 INFO L158 Benchmark]: RCFGBuilder took 1011.23ms. Allocated memory is still 125.8MB. Free memory was 96.2MB in the beginning and 67.7MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-16 11:47:54,122 INFO L158 Benchmark]: TraceAbstraction took 25030.15ms. Allocated memory was 125.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 66.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 364.4MB. Max. memory is 16.1GB. [2022-11-16 11:47:54,126 INFO L158 Benchmark]: Witness Printer took 88.46ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:47:54,130 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 104.7MB in the beginning and 104.6MB in the end (delta: 79.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.16ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 100.4MB in the end (delta: -13.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.82ms. Allocated memory is still 125.8MB. Free memory was 100.4MB in the beginning and 98.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.01ms. Allocated memory is still 125.8MB. Free memory was 98.3MB in the beginning and 96.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1011.23ms. Allocated memory is still 125.8MB. Free memory was 96.2MB in the beginning and 67.7MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25030.15ms. Allocated memory was 125.8MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 66.9MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 364.4MB. Max. memory is 16.1GB. * Witness Printer took 88.46ms. Allocated memory is still 1.8GB. Free memory was 1.4GB in the beginning and 1.4GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 38]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 39]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 41]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 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: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - 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: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: 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: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 658 locations, 135 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: 24.8s, OverallIterations: 31, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 936 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 187 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1564 IncrementalHoareTripleChecker+Invalid, 1751 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 187 mSolverCounterUnsat, 927 mSDtfsCounter, 1564 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=838occurred in iteration=9, InterpolantAutomatonStates: 107, 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, 2.9s InterpolantComputationTime, 2803 NumberOfCodeBlocks, 2803 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2772 ConstructedInterpolants, 0 QuantifiedInterpolants, 3150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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 75 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:47:54,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b43dd1a-acf7-404c-8372-14feacd92b40/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