./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/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_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/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_d6b8f069-9259-42dc-937d-4b0eff9f9615/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 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 --- 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 11:59:31,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:59:31,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:59:32,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:59:32,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:59:32,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:59:32,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:59:32,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:59:32,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:59:32,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:59:32,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:59:32,037 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:59:32,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:59:32,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:59:32,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:59:32,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:59:32,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:59:32,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:59:32,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:59:32,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:59:32,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:59:32,066 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:59:32,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:59:32,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:59:32,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:59:32,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:59:32,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:59:32,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:59:32,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:59:32,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:59:32,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:59:32,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:59:32,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:59:32,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:59:32,089 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:59:32,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:59:32,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:59:32,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:59:32,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:59:32,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:59:32,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:59:32,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:59:32,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:59:32,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:59:32,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:59:32,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:59:32,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:59:32,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:59:32,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:59:32,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:59:32,133 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:59:32,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:59:32,134 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:59:32,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:59:32,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:59:32,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:59:32,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:59:32,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:59:32,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:59:32,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:59:32,136 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:59:32,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:59:32,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:59:32,137 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:59:32,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:59:32,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:59:32,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:59:32,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:59:32,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:32,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:59:32,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:59:32,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:59:32,140 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:59:32,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:59:32,141 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:59:32,141 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:59:32,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:59:32,142 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_d6b8f069-9259-42dc-937d-4b0eff9f9615/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79419a4ba87d66b20bd1eac3a57771b6df78d8c052d6832c2c2f61b321d58321 [2022-11-16 11:59:32,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:59:32,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:59:32,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:59:32,502 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:59:32,503 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:59:32,504 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-11-16 11:59:32,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/data/560758386/ceee6f736bf043c1bc70bc44076f8436/FLAGd334e8e99 [2022-11-16 11:59:33,139 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:59:33,147 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2022-11-16 11:59:33,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/data/560758386/ceee6f736bf043c1bc70bc44076f8436/FLAGd334e8e99 [2022-11-16 11:59:33,484 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/data/560758386/ceee6f736bf043c1bc70bc44076f8436 [2022-11-16 11:59:33,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:59:33,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:59:33,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:33,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:59:33,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:59:33,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509bcadd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33, skipping insertion in model container [2022-11-16 11:59:33,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:59:33,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:59:33,774 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_d6b8f069-9259-42dc-937d-4b0eff9f9615/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-11-16 11:59:33,778 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:33,786 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:59:33,820 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_d6b8f069-9259-42dc-937d-4b0eff9f9615/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c[2628,2641] [2022-11-16 11:59:33,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:59:33,841 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:59:33,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33 WrapperNode [2022-11-16 11:59:33,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:59:33,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:33,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:59:33,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:59:33,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,889 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 250 [2022-11-16 11:59:33,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:59:33,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:59:33,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:59:33,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:59:33,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,917 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:59:33,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:59:33,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:59:33,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:59:33,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (1/1) ... [2022-11-16 11:59:33,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:59:33,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:59:33,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:59:33,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:59:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:59:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:59:34,018 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:59:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:59:34,019 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:59:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:59:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:59:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:59:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:59:34,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:59:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:59:34,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:59:34,023 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 11:59:34,219 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:59:34,221 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:59:34,657 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:59:34,668 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:59:34,668 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 11:59:34,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:34 BoogieIcfgContainer [2022-11-16 11:59:34,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:59:34,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:59:34,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:59:34,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:59:34,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:59:33" (1/3) ... [2022-11-16 11:59:34,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d3f7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:34, skipping insertion in model container [2022-11-16 11:59:34,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:59:33" (2/3) ... [2022-11-16 11:59:34,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67d3f7a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:59:34, skipping insertion in model container [2022-11-16 11:59:34,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:34" (3/3) ... [2022-11-16 11:59:34,693 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2022-11-16 11:59:34,705 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:59:34,716 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:59:34,717 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-16 11:59:34,717 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:59:34,908 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 11:59:34,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 323 places, 338 transitions, 692 flow [2022-11-16 11:59:35,225 INFO L130 PetriNetUnfolder]: 22/336 cut-off events. [2022-11-16 11:59:35,225 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:59:35,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 345 conditions, 336 events. 22/336 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 847 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 209. Up to 2 conditions per place. [2022-11-16 11:59:35,237 INFO L82 GeneralOperation]: Start removeDead. Operand has 323 places, 338 transitions, 692 flow [2022-11-16 11:59:35,251 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 302 places, 315 transitions, 642 flow [2022-11-16 11:59:35,273 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:59:35,283 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;@c22541a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:59:35,284 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2022-11-16 11:59:35,301 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-16 11:59:35,302 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:59:35,302 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:35,303 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 11:59:35,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:35,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:35,311 INFO L85 PathProgramCache]: Analyzing trace with hash -2089419042, now seen corresponding path program 1 times [2022-11-16 11:59:35,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:35,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163201734] [2022-11-16 11:59:35,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:35,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:35,557 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 11:59:35,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:35,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163201734] [2022-11-16 11:59:35,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163201734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:35,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:35,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:35,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244757708] [2022-11-16 11:59:35,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:35,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:35,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:35,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:35,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:35,607 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 338 [2022-11-16 11:59:35,612 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 302 places, 315 transitions, 642 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states 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 11:59:35,613 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:35,613 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 338 [2022-11-16 11:59:35,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:35,895 INFO L130 PetriNetUnfolder]: 118/1121 cut-off events. [2022-11-16 11:59:35,895 INFO L131 PetriNetUnfolder]: For 56/57 co-relation queries the response was YES. [2022-11-16 11:59:35,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1294 conditions, 1121 events. 118/1121 cut-off events. For 56/57 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7513 event pairs, 48 based on Foata normal form. 26/937 useless extension candidates. Maximal degree in co-relation 1053. Up to 136 conditions per place. [2022-11-16 11:59:35,911 INFO L137 encePairwiseOnDemand]: 329/338 looper letters, 19 selfloop transitions, 2 changer transitions 2/308 dead transitions. [2022-11-16 11:59:35,911 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 303 places, 308 transitions, 670 flow [2022-11-16 11:59:35,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 952 transitions. [2022-11-16 11:59:35,939 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9388560157790927 [2022-11-16 11:59:35,940 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 952 transitions. [2022-11-16 11:59:35,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 952 transitions. [2022-11-16 11:59:35,944 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:35,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 952 transitions. [2022-11-16 11:59:35,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 317.3333333333333) internal successors, (952), 3 states have internal predecessors, (952), 0 states have call successors, (0), 0 states 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 11:59:35,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:35,965 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:35,966 INFO L175 Difference]: Start difference. First operand has 302 places, 315 transitions, 642 flow. Second operand 3 states and 952 transitions. [2022-11-16 11:59:35,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 303 places, 308 transitions, 670 flow [2022-11-16 11:59:35,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 308 transitions, 662 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:59:35,984 INFO L231 Difference]: Finished difference. Result has 299 places, 306 transitions, 620 flow [2022-11-16 11:59:35,986 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=620, PETRI_DIFFERENCE_MINUEND_PLACES=297, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=306, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=620, PETRI_PLACES=299, PETRI_TRANSITIONS=306} [2022-11-16 11:59:35,992 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -3 predicate places. [2022-11-16 11:59:35,993 INFO L495 AbstractCegarLoop]: Abstraction has has 299 places, 306 transitions, 620 flow [2022-11-16 11:59:35,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states 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 11:59:35,994 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:35,994 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] [2022-11-16 11:59:35,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:59:35,995 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:35,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:35,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1800948164, now seen corresponding path program 1 times [2022-11-16 11:59:35,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:35,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38634879] [2022-11-16 11:59:35,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:35,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:36,103 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 11:59:36,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:36,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38634879] [2022-11-16 11:59:36,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38634879] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:36,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:36,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:36,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040583063] [2022-11-16 11:59:36,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:36,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:36,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:36,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:36,113 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 338 [2022-11-16 11:59:36,115 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 306 transitions, 620 flow. Second operand has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states 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 11:59:36,115 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:36,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 338 [2022-11-16 11:59:36,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:36,350 INFO L130 PetriNetUnfolder]: 118/1124 cut-off events. [2022-11-16 11:59:36,350 INFO L131 PetriNetUnfolder]: For 16/17 co-relation queries the response was YES. [2022-11-16 11:59:36,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1274 conditions, 1124 events. 118/1124 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7542 event pairs, 48 based on Foata normal form. 0/910 useless extension candidates. Maximal degree in co-relation 1241. Up to 136 conditions per place. [2022-11-16 11:59:36,361 INFO L137 encePairwiseOnDemand]: 335/338 looper letters, 19 selfloop transitions, 2 changer transitions 0/305 dead transitions. [2022-11-16 11:59:36,361 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 305 transitions, 660 flow [2022-11-16 11:59:36,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:36,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 946 transitions. [2022-11-16 11:59:36,364 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9329388560157791 [2022-11-16 11:59:36,364 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 946 transitions. [2022-11-16 11:59:36,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 946 transitions. [2022-11-16 11:59:36,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:36,365 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 946 transitions. [2022-11-16 11:59:36,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 315.3333333333333) internal successors, (946), 3 states have internal predecessors, (946), 0 states have call successors, (0), 0 states 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 11:59:36,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:36,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:36,371 INFO L175 Difference]: Start difference. First operand has 299 places, 306 transitions, 620 flow. Second operand 3 states and 946 transitions. [2022-11-16 11:59:36,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 305 transitions, 660 flow [2022-11-16 11:59:36,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 305 transitions, 656 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:36,377 INFO L231 Difference]: Finished difference. Result has 296 places, 305 transitions, 618 flow [2022-11-16 11:59:36,377 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=305, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=303, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=618, PETRI_PLACES=296, PETRI_TRANSITIONS=305} [2022-11-16 11:59:36,378 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -6 predicate places. [2022-11-16 11:59:36,378 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 305 transitions, 618 flow [2022-11-16 11:59:36,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 309.3333333333333) internal successors, (928), 3 states have internal predecessors, (928), 0 states have call successors, (0), 0 states 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 11:59:36,379 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:36,379 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] [2022-11-16 11:59:36,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:59:36,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:36,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:36,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1815490768, now seen corresponding path program 1 times [2022-11-16 11:59:36,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:36,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896770814] [2022-11-16 11:59:36,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:36,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:36,425 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 11:59:36,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:36,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896770814] [2022-11-16 11:59:36,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896770814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:36,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:36,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:36,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866204174] [2022-11-16 11:59:36,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:36,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:36,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:36,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:36,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:36,429 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 338 [2022-11-16 11:59:36,430 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 305 transitions, 618 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states 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 11:59:36,430 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:36,430 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 338 [2022-11-16 11:59:36,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:36,696 INFO L130 PetriNetUnfolder]: 185/1488 cut-off events. [2022-11-16 11:59:36,696 INFO L131 PetriNetUnfolder]: For 11/11 co-relation queries the response was YES. [2022-11-16 11:59:36,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1729 conditions, 1488 events. 185/1488 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 11220 event pairs, 99 based on Foata normal form. 0/1179 useless extension candidates. Maximal degree in co-relation 1689. Up to 224 conditions per place. [2022-11-16 11:59:36,707 INFO L137 encePairwiseOnDemand]: 335/338 looper letters, 25 selfloop transitions, 2 changer transitions 0/304 dead transitions. [2022-11-16 11:59:36,708 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 304 transitions, 670 flow [2022-11-16 11:59:36,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:36,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:36,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 934 transitions. [2022-11-16 11:59:36,710 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9211045364891519 [2022-11-16 11:59:36,711 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 934 transitions. [2022-11-16 11:59:36,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 934 transitions. [2022-11-16 11:59:36,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:36,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 934 transitions. [2022-11-16 11:59:36,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states 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 11:59:36,718 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:36,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:36,719 INFO L175 Difference]: Start difference. First operand has 296 places, 305 transitions, 618 flow. Second operand 3 states and 934 transitions. [2022-11-16 11:59:36,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 304 transitions, 670 flow [2022-11-16 11:59:36,722 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 304 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:36,725 INFO L231 Difference]: Finished difference. Result has 295 places, 304 transitions, 616 flow [2022-11-16 11:59:36,726 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=612, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=304, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=302, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=616, PETRI_PLACES=295, PETRI_TRANSITIONS=304} [2022-11-16 11:59:36,728 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -7 predicate places. [2022-11-16 11:59:36,728 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 304 transitions, 616 flow [2022-11-16 11:59:36,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states 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 11:59:36,729 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:36,729 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:36,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:59:36,730 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:36,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:36,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1251978584, now seen corresponding path program 1 times [2022-11-16 11:59:36,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:36,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924139978] [2022-11-16 11:59:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:36,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:36,807 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 11:59:36,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:36,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924139978] [2022-11-16 11:59:36,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924139978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:36,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:36,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:36,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181992330] [2022-11-16 11:59:36,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:36,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:36,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:36,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:36,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:36,817 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 302 out of 338 [2022-11-16 11:59:36,818 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 304 transitions, 616 flow. Second operand has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states 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 11:59:36,818 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:36,819 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 302 of 338 [2022-11-16 11:59:36,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:37,134 INFO L130 PetriNetUnfolder]: 217/1780 cut-off events. [2022-11-16 11:59:37,134 INFO L131 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2022-11-16 11:59:37,142 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2043 conditions, 1780 events. 217/1780 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 14300 event pairs, 99 based on Foata normal form. 0/1412 useless extension candidates. Maximal degree in co-relation 1997. Up to 246 conditions per place. [2022-11-16 11:59:37,151 INFO L137 encePairwiseOnDemand]: 335/338 looper letters, 25 selfloop transitions, 2 changer transitions 0/303 dead transitions. [2022-11-16 11:59:37,151 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 303 transitions, 668 flow [2022-11-16 11:59:37,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 934 transitions. [2022-11-16 11:59:37,155 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9211045364891519 [2022-11-16 11:59:37,155 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 934 transitions. [2022-11-16 11:59:37,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 934 transitions. [2022-11-16 11:59:37,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:37,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 934 transitions. [2022-11-16 11:59:37,159 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.3333333333333) internal successors, (934), 3 states have internal predecessors, (934), 0 states have call successors, (0), 0 states 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 11:59:37,165 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:37,166 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:37,166 INFO L175 Difference]: Start difference. First operand has 295 places, 304 transitions, 616 flow. Second operand 3 states and 934 transitions. [2022-11-16 11:59:37,166 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 303 transitions, 668 flow [2022-11-16 11:59:37,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 303 transitions, 664 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:37,173 INFO L231 Difference]: Finished difference. Result has 294 places, 303 transitions, 614 flow [2022-11-16 11:59:37,175 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=610, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=303, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=301, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=294, PETRI_TRANSITIONS=303} [2022-11-16 11:59:37,176 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -8 predicate places. [2022-11-16 11:59:37,176 INFO L495 AbstractCegarLoop]: Abstraction has has 294 places, 303 transitions, 614 flow [2022-11-16 11:59:37,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 303.3333333333333) internal successors, (910), 3 states have internal predecessors, (910), 0 states have call successors, (0), 0 states 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 11:59:37,182 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:37,182 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] [2022-11-16 11:59:37,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:59:37,183 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:37,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:37,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1569442444, now seen corresponding path program 1 times [2022-11-16 11:59:37,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:37,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835824854] [2022-11-16 11:59:37,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:37,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:37,275 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 11:59:37,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:37,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835824854] [2022-11-16 11:59:37,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835824854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:37,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:37,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:37,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913884557] [2022-11-16 11:59:37,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:37,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:37,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:37,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:37,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:37,280 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 338 [2022-11-16 11:59:37,281 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 294 places, 303 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states 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 11:59:37,282 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:37,282 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 338 [2022-11-16 11:59:37,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:37,455 INFO L130 PetriNetUnfolder]: 116/1148 cut-off events. [2022-11-16 11:59:37,455 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-11-16 11:59:37,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 1148 events. 116/1148 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 7783 event pairs, 41 based on Foata normal form. 0/958 useless extension candidates. Maximal degree in co-relation 1222. Up to 110 conditions per place. [2022-11-16 11:59:37,466 INFO L137 encePairwiseOnDemand]: 330/338 looper letters, 19 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-16 11:59:37,466 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 300 transitions, 651 flow [2022-11-16 11:59:37,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:37,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2022-11-16 11:59:37,469 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9289940828402367 [2022-11-16 11:59:37,469 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2022-11-16 11:59:37,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2022-11-16 11:59:37,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:37,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2022-11-16 11:59:37,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states 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 11:59:37,475 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:37,476 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:37,476 INFO L175 Difference]: Start difference. First operand has 294 places, 303 transitions, 614 flow. Second operand 3 states and 942 transitions. [2022-11-16 11:59:37,476 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 300 transitions, 651 flow [2022-11-16 11:59:37,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 300 transitions, 647 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:37,482 INFO L231 Difference]: Finished difference. Result has 289 places, 299 transitions, 612 flow [2022-11-16 11:59:37,482 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=598, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=297, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=612, PETRI_PLACES=289, PETRI_TRANSITIONS=299} [2022-11-16 11:59:37,485 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -13 predicate places. [2022-11-16 11:59:37,485 INFO L495 AbstractCegarLoop]: Abstraction has has 289 places, 299 transitions, 612 flow [2022-11-16 11:59:37,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states 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 11:59:37,487 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:37,487 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:37,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:59:37,487 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:37,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:37,488 INFO L85 PathProgramCache]: Analyzing trace with hash -700642282, now seen corresponding path program 1 times [2022-11-16 11:59:37,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:37,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516578786] [2022-11-16 11:59:37,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:37,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:37,565 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 11:59:37,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:37,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516578786] [2022-11-16 11:59:37,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516578786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:37,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:37,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:37,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033320623] [2022-11-16 11:59:37,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:37,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:37,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:37,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:37,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:37,571 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 338 [2022-11-16 11:59:37,573 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 289 places, 299 transitions, 612 flow. Second operand has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states 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 11:59:37,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:37,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 338 [2022-11-16 11:59:37,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:37,786 INFO L130 PetriNetUnfolder]: 145/1407 cut-off events. [2022-11-16 11:59:37,787 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2022-11-16 11:59:37,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1561 conditions, 1407 events. 145/1407 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 10469 event pairs, 36 based on Foata normal form. 0/1194 useless extension candidates. Maximal degree in co-relation 1408. Up to 128 conditions per place. [2022-11-16 11:59:37,800 INFO L137 encePairwiseOnDemand]: 330/338 looper letters, 19 selfloop transitions, 2 changer transitions 0/296 dead transitions. [2022-11-16 11:59:37,800 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 285 places, 296 transitions, 649 flow [2022-11-16 11:59:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 942 transitions. [2022-11-16 11:59:37,803 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9289940828402367 [2022-11-16 11:59:37,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 942 transitions. [2022-11-16 11:59:37,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 942 transitions. [2022-11-16 11:59:37,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:37,804 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 942 transitions. [2022-11-16 11:59:37,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 0 states have call successors, (0), 0 states 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 11:59:37,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:37,809 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:37,810 INFO L175 Difference]: Start difference. First operand has 289 places, 299 transitions, 612 flow. Second operand 3 states and 942 transitions. [2022-11-16 11:59:37,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 285 places, 296 transitions, 649 flow [2022-11-16 11:59:37,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 285 places, 296 transitions, 649 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:59:37,815 INFO L231 Difference]: Finished difference. Result has 286 places, 295 transitions, 614 flow [2022-11-16 11:59:37,816 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=600, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=614, PETRI_PLACES=286, PETRI_TRANSITIONS=295} [2022-11-16 11:59:37,817 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -16 predicate places. [2022-11-16 11:59:37,817 INFO L495 AbstractCegarLoop]: Abstraction has has 286 places, 295 transitions, 614 flow [2022-11-16 11:59:37,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 306.6666666666667) internal successors, (920), 3 states have internal predecessors, (920), 0 states have call successors, (0), 0 states 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 11:59:37,818 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:37,818 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] [2022-11-16 11:59:37,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:59:37,819 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:37,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:37,819 INFO L85 PathProgramCache]: Analyzing trace with hash 523500009, now seen corresponding path program 1 times [2022-11-16 11:59:37,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:37,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39093991] [2022-11-16 11:59:37,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:37,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:37,891 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 11:59:37,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:37,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39093991] [2022-11-16 11:59:37,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39093991] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:37,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:37,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:59:37,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452873409] [2022-11-16 11:59:37,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:37,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:37,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:37,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:37,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:37,895 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 338 [2022-11-16 11:59:37,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 286 places, 295 transitions, 614 flow. Second operand has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states 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 11:59:37,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:37,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 338 [2022-11-16 11:59:37,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:37,994 INFO L130 PetriNetUnfolder]: 41/573 cut-off events. [2022-11-16 11:59:37,994 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:59:37,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 628 conditions, 573 events. 41/573 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2929 event pairs, 5 based on Foata normal form. 0/497 useless extension candidates. Maximal degree in co-relation 480. Up to 22 conditions per place. [2022-11-16 11:59:38,001 INFO L137 encePairwiseOnDemand]: 334/338 looper letters, 11 selfloop transitions, 3 changer transitions 0/298 dead transitions. [2022-11-16 11:59:38,002 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 298 transitions, 649 flow [2022-11-16 11:59:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:38,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2022-11-16 11:59:38,005 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9585798816568047 [2022-11-16 11:59:38,005 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 972 transitions. [2022-11-16 11:59:38,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 972 transitions. [2022-11-16 11:59:38,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:38,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 972 transitions. [2022-11-16 11:59:38,009 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 states 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 11:59:38,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:38,012 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:38,012 INFO L175 Difference]: Start difference. First operand has 286 places, 295 transitions, 614 flow. Second operand 3 states and 972 transitions. [2022-11-16 11:59:38,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 288 places, 298 transitions, 649 flow [2022-11-16 11:59:38,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 298 transitions, 649 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:59:38,022 INFO L231 Difference]: Finished difference. Result has 290 places, 297 transitions, 636 flow [2022-11-16 11:59:38,022 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=286, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=636, PETRI_PLACES=290, PETRI_TRANSITIONS=297} [2022-11-16 11:59:38,023 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -12 predicate places. [2022-11-16 11:59:38,023 INFO L495 AbstractCegarLoop]: Abstraction has has 290 places, 297 transitions, 636 flow [2022-11-16 11:59:38,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.3333333333333) internal successors, (961), 3 states have internal predecessors, (961), 0 states have call successors, (0), 0 states 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 11:59:38,024 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:38,024 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:38,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:59:38,025 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:38,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:38,025 INFO L85 PathProgramCache]: Analyzing trace with hash -2062397871, now seen corresponding path program 1 times [2022-11-16 11:59:38,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:38,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316137820] [2022-11-16 11:59:38,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:38,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:38,479 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 11:59:38,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:38,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316137820] [2022-11-16 11:59:38,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316137820] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:38,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:38,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:59:38,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247876410] [2022-11-16 11:59:38,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:38,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:38,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:38,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:38,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:38,484 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 338 [2022-11-16 11:59:38,486 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 290 places, 297 transitions, 636 flow. Second operand has 6 states, 6 states have (on average 309.8333333333333) internal successors, (1859), 6 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states 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 11:59:38,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:38,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 338 [2022-11-16 11:59:38,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:38,598 INFO L130 PetriNetUnfolder]: 28/473 cut-off events. [2022-11-16 11:59:38,598 INFO L131 PetriNetUnfolder]: For 4/11 co-relation queries the response was YES. [2022-11-16 11:59:38,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 473 events. 28/473 cut-off events. For 4/11 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2028 event pairs, 0 based on Foata normal form. 4/418 useless extension candidates. Maximal degree in co-relation 388. Up to 10 conditions per place. [2022-11-16 11:59:38,604 INFO L137 encePairwiseOnDemand]: 333/338 looper letters, 15 selfloop transitions, 4 changer transitions 0/296 dead transitions. [2022-11-16 11:59:38,605 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 296 transitions, 672 flow [2022-11-16 11:59:38,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:59:38,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:59:38,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1868 transitions. [2022-11-16 11:59:38,609 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9211045364891519 [2022-11-16 11:59:38,609 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1868 transitions. [2022-11-16 11:59:38,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1868 transitions. [2022-11-16 11:59:38,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:38,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1868 transitions. [2022-11-16 11:59:38,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.3333333333333) internal successors, (1868), 6 states have internal predecessors, (1868), 0 states have call successors, (0), 0 states 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 11:59:38,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 338.0) internal successors, (2366), 7 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states 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 11:59:38,619 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 338.0) internal successors, (2366), 7 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states 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 11:59:38,619 INFO L175 Difference]: Start difference. First operand has 290 places, 297 transitions, 636 flow. Second operand 6 states and 1868 transitions. [2022-11-16 11:59:38,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 296 transitions, 672 flow [2022-11-16 11:59:38,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 296 transitions, 666 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:38,626 INFO L231 Difference]: Finished difference. Result has 292 places, 296 transitions, 636 flow [2022-11-16 11:59:38,627 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=628, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=636, PETRI_PLACES=292, PETRI_TRANSITIONS=296} [2022-11-16 11:59:38,627 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -10 predicate places. [2022-11-16 11:59:38,627 INFO L495 AbstractCegarLoop]: Abstraction has has 292 places, 296 transitions, 636 flow [2022-11-16 11:59:38,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 309.8333333333333) internal successors, (1859), 6 states have internal predecessors, (1859), 0 states have call successors, (0), 0 states 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 11:59:38,629 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:38,629 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:38,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:59:38,629 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:38,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:38,630 INFO L85 PathProgramCache]: Analyzing trace with hash -281037461, now seen corresponding path program 1 times [2022-11-16 11:59:38,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:38,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001247952] [2022-11-16 11:59:38,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:38,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:38,684 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 11:59:38,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:38,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001247952] [2022-11-16 11:59:38,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001247952] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:38,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:38,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:59:38,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984261070] [2022-11-16 11:59:38,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:38,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:59:38,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:38,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:59:38,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:59:38,688 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 315 out of 338 [2022-11-16 11:59:38,689 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 296 transitions, 636 flow. Second operand has 4 states, 4 states have (on average 316.25) internal successors, (1265), 4 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states 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 11:59:38,690 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:38,690 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 315 of 338 [2022-11-16 11:59:38,690 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:38,893 INFO L130 PetriNetUnfolder]: 77/1013 cut-off events. [2022-11-16 11:59:38,893 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 11:59:38,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 1013 events. 77/1013 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 6774 event pairs, 11 based on Foata normal form. 0/876 useless extension candidates. Maximal degree in co-relation 1070. Up to 43 conditions per place. [2022-11-16 11:59:38,907 INFO L137 encePairwiseOnDemand]: 332/338 looper letters, 20 selfloop transitions, 5 changer transitions 0/306 dead transitions. [2022-11-16 11:59:38,907 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 306 transitions, 709 flow [2022-11-16 11:59:38,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:59:38,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-16 11:59:38,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1601 transitions. [2022-11-16 11:59:38,911 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9473372781065089 [2022-11-16 11:59:38,911 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1601 transitions. [2022-11-16 11:59:38,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1601 transitions. [2022-11-16 11:59:38,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:38,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1601 transitions. [2022-11-16 11:59:38,916 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 320.2) internal successors, (1601), 5 states have internal predecessors, (1601), 0 states have call successors, (0), 0 states 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 11:59:38,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:59:38,921 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 338.0) internal successors, (2028), 6 states have internal predecessors, (2028), 0 states have call successors, (0), 0 states 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 11:59:38,921 INFO L175 Difference]: Start difference. First operand has 292 places, 296 transitions, 636 flow. Second operand 5 states and 1601 transitions. [2022-11-16 11:59:38,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 306 transitions, 709 flow [2022-11-16 11:59:38,924 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 306 transitions, 702 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:59:38,928 INFO L231 Difference]: Finished difference. Result has 296 places, 300 transitions, 667 flow [2022-11-16 11:59:38,928 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=629, PETRI_DIFFERENCE_MINUEND_PLACES=288, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=667, PETRI_PLACES=296, PETRI_TRANSITIONS=300} [2022-11-16 11:59:38,929 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -6 predicate places. [2022-11-16 11:59:38,929 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 300 transitions, 667 flow [2022-11-16 11:59:38,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 316.25) internal successors, (1265), 4 states have internal predecessors, (1265), 0 states have call successors, (0), 0 states 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 11:59:38,930 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:38,930 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] [2022-11-16 11:59:38,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:59:38,931 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:38,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:38,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1962060703, now seen corresponding path program 1 times [2022-11-16 11:59:38,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:38,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926716848] [2022-11-16 11:59:38,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:38,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:38,966 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 11:59:38,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:38,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926716848] [2022-11-16 11:59:38,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926716848] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:38,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:38,968 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:38,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496487025] [2022-11-16 11:59:38,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:38,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:38,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:38,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:38,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:38,972 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 338 [2022-11-16 11:59:38,973 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 300 transitions, 667 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states 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 11:59:38,974 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:38,974 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 338 [2022-11-16 11:59:38,974 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:39,283 INFO L130 PetriNetUnfolder]: 146/1739 cut-off events. [2022-11-16 11:59:39,283 INFO L131 PetriNetUnfolder]: For 19/20 co-relation queries the response was YES. [2022-11-16 11:59:39,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1984 conditions, 1739 events. 146/1739 cut-off events. For 19/20 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 13655 event pairs, 18 based on Foata normal form. 0/1520 useless extension candidates. Maximal degree in co-relation 1791. Up to 135 conditions per place. [2022-11-16 11:59:39,302 INFO L137 encePairwiseOnDemand]: 330/338 looper letters, 17 selfloop transitions, 4 changer transitions 0/303 dead transitions. [2022-11-16 11:59:39,302 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 303 transitions, 718 flow [2022-11-16 11:59:39,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:39,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2022-11-16 11:59:39,305 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9447731755424064 [2022-11-16 11:59:39,305 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2022-11-16 11:59:39,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2022-11-16 11:59:39,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:39,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2022-11-16 11:59:39,308 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states 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 11:59:39,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:39,311 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:39,311 INFO L175 Difference]: Start difference. First operand has 296 places, 300 transitions, 667 flow. Second operand 3 states and 958 transitions. [2022-11-16 11:59:39,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 303 transitions, 718 flow [2022-11-16 11:59:39,314 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 294 places, 303 transitions, 718 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:59:39,317 INFO L231 Difference]: Finished difference. Result has 295 places, 300 transitions, 687 flow [2022-11-16 11:59:39,318 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=659, PETRI_DIFFERENCE_MINUEND_PLACES=292, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=687, PETRI_PLACES=295, PETRI_TRANSITIONS=300} [2022-11-16 11:59:39,318 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -7 predicate places. [2022-11-16 11:59:39,319 INFO L495 AbstractCegarLoop]: Abstraction has has 295 places, 300 transitions, 687 flow [2022-11-16 11:59:39,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states 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 11:59:39,319 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:39,319 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 11:59:39,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:59:39,320 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:39,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:39,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1613149835, now seen corresponding path program 1 times [2022-11-16 11:59:39,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:39,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728381042] [2022-11-16 11:59:39,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:39,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:39,351 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 11:59:39,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:39,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728381042] [2022-11-16 11:59:39,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728381042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:39,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:39,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:39,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533104585] [2022-11-16 11:59:39,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:39,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:39,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:39,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:39,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:39,355 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 338 [2022-11-16 11:59:39,357 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 295 places, 300 transitions, 687 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states 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 11:59:39,357 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:39,357 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 338 [2022-11-16 11:59:39,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:39,667 INFO L130 PetriNetUnfolder]: 164/1962 cut-off events. [2022-11-16 11:59:39,668 INFO L131 PetriNetUnfolder]: For 13/17 co-relation queries the response was YES. [2022-11-16 11:59:39,679 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2299 conditions, 1962 events. 164/1962 cut-off events. For 13/17 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15934 event pairs, 11 based on Foata normal form. 1/1730 useless extension candidates. Maximal degree in co-relation 2107. Up to 59 conditions per place. [2022-11-16 11:59:39,686 INFO L137 encePairwiseOnDemand]: 335/338 looper letters, 16 selfloop transitions, 2 changer transitions 0/300 dead transitions. [2022-11-16 11:59:39,686 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 296 places, 300 transitions, 724 flow [2022-11-16 11:59:39,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:39,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:39,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 955 transitions. [2022-11-16 11:59:39,689 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9418145956607495 [2022-11-16 11:59:39,689 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 955 transitions. [2022-11-16 11:59:39,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 955 transitions. [2022-11-16 11:59:39,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:39,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 955 transitions. [2022-11-16 11:59:39,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.3333333333333) internal successors, (955), 3 states have internal predecessors, (955), 0 states have call successors, (0), 0 states 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 11:59:39,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:39,695 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:39,696 INFO L175 Difference]: Start difference. First operand has 295 places, 300 transitions, 687 flow. Second operand 3 states and 955 transitions. [2022-11-16 11:59:39,696 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 296 places, 300 transitions, 724 flow [2022-11-16 11:59:39,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 300 transitions, 724 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:59:39,702 INFO L231 Difference]: Finished difference. Result has 296 places, 299 transitions, 689 flow [2022-11-16 11:59:39,703 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=685, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=297, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=689, PETRI_PLACES=296, PETRI_TRANSITIONS=299} [2022-11-16 11:59:39,704 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -6 predicate places. [2022-11-16 11:59:39,704 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 299 transitions, 689 flow [2022-11-16 11:59:39,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 states 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 11:59:39,704 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:39,705 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] [2022-11-16 11:59:39,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:59:39,705 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:39,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:39,705 INFO L85 PathProgramCache]: Analyzing trace with hash -49665371, now seen corresponding path program 1 times [2022-11-16 11:59:39,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:39,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147769446] [2022-11-16 11:59:39,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:39,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:39,738 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 11:59:39,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:39,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147769446] [2022-11-16 11:59:39,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147769446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:39,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:39,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:39,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771830636] [2022-11-16 11:59:39,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:39,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:39,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:39,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:39,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:39,742 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 311 out of 338 [2022-11-16 11:59:39,743 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 299 transitions, 689 flow. Second operand has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states 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 11:59:39,743 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:39,744 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 311 of 338 [2022-11-16 11:59:39,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:40,066 INFO L130 PetriNetUnfolder]: 181/1950 cut-off events. [2022-11-16 11:59:40,067 INFO L131 PetriNetUnfolder]: For 23/24 co-relation queries the response was YES. [2022-11-16 11:59:40,078 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2307 conditions, 1950 events. 181/1950 cut-off events. For 23/24 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 16029 event pairs, 20 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 2109. Up to 158 conditions per place. [2022-11-16 11:59:40,083 INFO L137 encePairwiseOnDemand]: 330/338 looper letters, 17 selfloop transitions, 4 changer transitions 0/302 dead transitions. [2022-11-16 11:59:40,083 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 294 places, 302 transitions, 740 flow [2022-11-16 11:59:40,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:40,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2022-11-16 11:59:40,086 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9447731755424064 [2022-11-16 11:59:40,086 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2022-11-16 11:59:40,087 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2022-11-16 11:59:40,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:40,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2022-11-16 11:59:40,089 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states 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 11:59:40,091 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:40,092 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:40,092 INFO L175 Difference]: Start difference. First operand has 296 places, 299 transitions, 689 flow. Second operand 3 states and 958 transitions. [2022-11-16 11:59:40,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 294 places, 302 transitions, 740 flow [2022-11-16 11:59:40,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 302 transitions, 736 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:40,098 INFO L231 Difference]: Finished difference. Result has 293 places, 299 transitions, 705 flow [2022-11-16 11:59:40,099 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=677, PETRI_DIFFERENCE_MINUEND_PLACES=290, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=291, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=705, PETRI_PLACES=293, PETRI_TRANSITIONS=299} [2022-11-16 11:59:40,100 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -9 predicate places. [2022-11-16 11:59:40,100 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 299 transitions, 705 flow [2022-11-16 11:59:40,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 312.6666666666667) internal successors, (938), 3 states have internal predecessors, (938), 0 states have call successors, (0), 0 states 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 11:59:40,100 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:40,101 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] [2022-11-16 11:59:40,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 11:59:40,101 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:40,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:40,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1442279624, now seen corresponding path program 1 times [2022-11-16 11:59:40,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:40,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449846079] [2022-11-16 11:59:40,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:40,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:40,136 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 11:59:40,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:40,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449846079] [2022-11-16 11:59:40,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449846079] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:40,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:40,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:59:40,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383104667] [2022-11-16 11:59:40,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:40,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:40,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:40,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:40,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:40,139 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 319 out of 338 [2022-11-16 11:59:40,140 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 299 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states 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 11:59:40,140 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:40,141 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 319 of 338 [2022-11-16 11:59:40,141 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:40,397 INFO L130 PetriNetUnfolder]: 135/1599 cut-off events. [2022-11-16 11:59:40,397 INFO L131 PetriNetUnfolder]: For 31/33 co-relation queries the response was YES. [2022-11-16 11:59:40,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1918 conditions, 1599 events. 135/1599 cut-off events. For 31/33 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 12179 event pairs, 10 based on Foata normal form. 0/1422 useless extension candidates. Maximal degree in co-relation 1839. Up to 97 conditions per place. [2022-11-16 11:59:40,419 INFO L137 encePairwiseOnDemand]: 334/338 looper letters, 11 selfloop transitions, 3 changer transitions 0/302 dead transitions. [2022-11-16 11:59:40,419 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 295 places, 302 transitions, 740 flow [2022-11-16 11:59:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:40,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:40,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 972 transitions. [2022-11-16 11:59:40,422 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9585798816568047 [2022-11-16 11:59:40,422 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 972 transitions. [2022-11-16 11:59:40,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 972 transitions. [2022-11-16 11:59:40,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:40,423 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 972 transitions. [2022-11-16 11:59:40,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 324.0) internal successors, (972), 3 states have internal predecessors, (972), 0 states have call successors, (0), 0 states 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 11:59:40,426 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:40,427 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:40,427 INFO L175 Difference]: Start difference. First operand has 293 places, 299 transitions, 705 flow. Second operand 3 states and 972 transitions. [2022-11-16 11:59:40,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 295 places, 302 transitions, 740 flow [2022-11-16 11:59:40,430 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 295 places, 302 transitions, 740 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 11:59:40,434 INFO L231 Difference]: Finished difference. Result has 297 places, 301 transitions, 727 flow [2022-11-16 11:59:40,434 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=705, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=296, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=727, PETRI_PLACES=297, PETRI_TRANSITIONS=301} [2022-11-16 11:59:40,435 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -5 predicate places. [2022-11-16 11:59:40,435 INFO L495 AbstractCegarLoop]: Abstraction has has 297 places, 301 transitions, 727 flow [2022-11-16 11:59:40,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 0 states have call successors, (0), 0 states 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 11:59:40,436 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:40,436 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] [2022-11-16 11:59:40,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 11:59:40,436 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:40,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:40,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1214568596, now seen corresponding path program 1 times [2022-11-16 11:59:40,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:40,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309643666] [2022-11-16 11:59:40,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:40,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:40,475 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 11:59:40,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:40,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309643666] [2022-11-16 11:59:40,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309643666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:40,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:40,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:40,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715714972] [2022-11-16 11:59:40,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:40,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:40,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:40,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:40,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:40,478 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 338 [2022-11-16 11:59:40,479 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 297 places, 301 transitions, 727 flow. Second operand has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states 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 11:59:40,480 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:40,480 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 338 [2022-11-16 11:59:40,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:40,750 INFO L130 PetriNetUnfolder]: 135/1485 cut-off events. [2022-11-16 11:59:40,750 INFO L131 PetriNetUnfolder]: For 70/72 co-relation queries the response was YES. [2022-11-16 11:59:40,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1931 conditions, 1485 events. 135/1485 cut-off events. For 70/72 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 11241 event pairs, 6 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 1850. Up to 87 conditions per place. [2022-11-16 11:59:40,775 INFO L137 encePairwiseOnDemand]: 335/338 looper letters, 15 selfloop transitions, 2 changer transitions 0/301 dead transitions. [2022-11-16 11:59:40,775 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 298 places, 301 transitions, 762 flow [2022-11-16 11:59:40,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:40,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:40,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 954 transitions. [2022-11-16 11:59:40,778 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9408284023668639 [2022-11-16 11:59:40,778 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 954 transitions. [2022-11-16 11:59:40,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 954 transitions. [2022-11-16 11:59:40,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:40,779 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 954 transitions. [2022-11-16 11:59:40,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 318.0) internal successors, (954), 3 states have internal predecessors, (954), 0 states have call successors, (0), 0 states 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 11:59:40,782 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:40,783 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:40,783 INFO L175 Difference]: Start difference. First operand has 297 places, 301 transitions, 727 flow. Second operand 3 states and 954 transitions. [2022-11-16 11:59:40,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 298 places, 301 transitions, 762 flow [2022-11-16 11:59:40,787 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 296 places, 301 transitions, 756 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:40,790 INFO L231 Difference]: Finished difference. Result has 296 places, 300 transitions, 723 flow [2022-11-16 11:59:40,791 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=719, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=300, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=298, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=723, PETRI_PLACES=296, PETRI_TRANSITIONS=300} [2022-11-16 11:59:40,791 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -6 predicate places. [2022-11-16 11:59:40,792 INFO L495 AbstractCegarLoop]: Abstraction has has 296 places, 300 transitions, 723 flow [2022-11-16 11:59:40,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.6666666666667) internal successors, (941), 3 states have internal predecessors, (941), 0 states have call successors, (0), 0 states 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 11:59:40,792 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:40,792 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] [2022-11-16 11:59:40,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 11:59:40,793 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:40,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1550070499, now seen corresponding path program 1 times [2022-11-16 11:59:40,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:40,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834948996] [2022-11-16 11:59:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:40,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:41,186 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 11:59:41,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:41,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834948996] [2022-11-16 11:59:41,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834948996] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:41,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:41,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:59:41,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031380210] [2022-11-16 11:59:41,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:41,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:59:41,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:41,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:59:41,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:59:41,191 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 338 [2022-11-16 11:59:41,193 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 296 places, 300 transitions, 723 flow. Second operand has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states 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 11:59:41,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:41,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 338 [2022-11-16 11:59:41,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:41,504 INFO L130 PetriNetUnfolder]: 103/1401 cut-off events. [2022-11-16 11:59:41,504 INFO L131 PetriNetUnfolder]: For 7/21 co-relation queries the response was YES. [2022-11-16 11:59:41,517 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1714 conditions, 1401 events. 103/1401 cut-off events. For 7/21 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 10036 event pairs, 0 based on Foata normal form. 0/1284 useless extension candidates. Maximal degree in co-relation 1626. Up to 46 conditions per place. [2022-11-16 11:59:41,521 INFO L137 encePairwiseOnDemand]: 333/338 looper letters, 14 selfloop transitions, 4 changer transitions 0/299 dead transitions. [2022-11-16 11:59:41,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 299 transitions, 757 flow [2022-11-16 11:59:41,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:59:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:59:41,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1867 transitions. [2022-11-16 11:59:41,527 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9206114398422091 [2022-11-16 11:59:41,527 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1867 transitions. [2022-11-16 11:59:41,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1867 transitions. [2022-11-16 11:59:41,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:41,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1867 transitions. [2022-11-16 11:59:41,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 311.1666666666667) internal successors, (1867), 6 states have internal predecessors, (1867), 0 states have call successors, (0), 0 states 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 11:59:41,537 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 338.0) internal successors, (2366), 7 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states 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 11:59:41,538 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 338.0) internal successors, (2366), 7 states have internal predecessors, (2366), 0 states have call successors, (0), 0 states 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 11:59:41,538 INFO L175 Difference]: Start difference. First operand has 296 places, 300 transitions, 723 flow. Second operand 6 states and 1867 transitions. [2022-11-16 11:59:41,538 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 299 transitions, 757 flow [2022-11-16 11:59:41,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 299 transitions, 753 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:59:41,546 INFO L231 Difference]: Finished difference. Result has 298 places, 299 transitions, 725 flow [2022-11-16 11:59:41,547 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=717, PETRI_DIFFERENCE_MINUEND_PLACES=293, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=725, PETRI_PLACES=298, PETRI_TRANSITIONS=299} [2022-11-16 11:59:41,547 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -4 predicate places. [2022-11-16 11:59:41,548 INFO L495 AbstractCegarLoop]: Abstraction has has 298 places, 299 transitions, 725 flow [2022-11-16 11:59:41,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.8333333333333) internal successors, (1865), 6 states have internal predecessors, (1865), 0 states have call successors, (0), 0 states 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 11:59:41,549 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:41,549 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] [2022-11-16 11:59:41,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 11:59:41,549 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:41,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:41,550 INFO L85 PathProgramCache]: Analyzing trace with hash 456682773, now seen corresponding path program 1 times [2022-11-16 11:59:41,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:41,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109671503] [2022-11-16 11:59:41,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:41,622 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 11:59:41,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:41,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109671503] [2022-11-16 11:59:41,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109671503] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:41,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:41,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:41,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500808571] [2022-11-16 11:59:41,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:41,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:41,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:41,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:41,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:41,626 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 338 [2022-11-16 11:59:41,627 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 298 places, 299 transitions, 725 flow. Second operand has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states 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 11:59:41,628 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:41,628 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 338 [2022-11-16 11:59:41,628 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:42,025 INFO L130 PetriNetUnfolder]: 185/2341 cut-off events. [2022-11-16 11:59:42,025 INFO L131 PetriNetUnfolder]: For 13/15 co-relation queries the response was YES. [2022-11-16 11:59:42,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2857 conditions, 2341 events. 185/2341 cut-off events. For 13/15 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 20489 event pairs, 18 based on Foata normal form. 0/2160 useless extension candidates. Maximal degree in co-relation 2730. Up to 76 conditions per place. [2022-11-16 11:59:42,053 INFO L137 encePairwiseOnDemand]: 334/338 looper letters, 11 selfloop transitions, 1 changer transitions 0/296 dead transitions. [2022-11-16 11:59:42,053 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 296 transitions, 743 flow [2022-11-16 11:59:42,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:42,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:42,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 957 transitions. [2022-11-16 11:59:42,056 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9437869822485208 [2022-11-16 11:59:42,056 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 957 transitions. [2022-11-16 11:59:42,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 957 transitions. [2022-11-16 11:59:42,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:42,057 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 957 transitions. [2022-11-16 11:59:42,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.0) internal successors, (957), 3 states have internal predecessors, (957), 0 states have call successors, (0), 0 states 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 11:59:42,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:42,061 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:42,061 INFO L175 Difference]: Start difference. First operand has 298 places, 299 transitions, 725 flow. Second operand 3 states and 957 transitions. [2022-11-16 11:59:42,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 296 transitions, 743 flow [2022-11-16 11:59:42,065 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 293 places, 296 transitions, 736 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:59:42,068 INFO L231 Difference]: Finished difference. Result has 293 places, 296 transitions, 714 flow [2022-11-16 11:59:42,069 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=291, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=296, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=714, PETRI_PLACES=293, PETRI_TRANSITIONS=296} [2022-11-16 11:59:42,069 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -9 predicate places. [2022-11-16 11:59:42,070 INFO L495 AbstractCegarLoop]: Abstraction has has 293 places, 296 transitions, 714 flow [2022-11-16 11:59:42,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states 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 11:59:42,070 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:59:42,070 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 11:59:42,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 11:59:42,071 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2022-11-16 11:59:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:59:42,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1790103067, now seen corresponding path program 1 times [2022-11-16 11:59:42,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:59:42,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403399727] [2022-11-16 11:59:42,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:59:42,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:59:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:59:42,134 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 11:59:42,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:59:42,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403399727] [2022-11-16 11:59:42,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403399727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:59:42,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:59:42,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:59:42,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643529050] [2022-11-16 11:59:42,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:59:42,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:59:42,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:59:42,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:59:42,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:59:42,138 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 314 out of 338 [2022-11-16 11:59:42,139 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 296 transitions, 714 flow. Second operand has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states 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 11:59:42,139 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:59:42,139 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 314 of 338 [2022-11-16 11:59:42,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:59:42,381 INFO L130 PetriNetUnfolder]: 125/1503 cut-off events. [2022-11-16 11:59:42,381 INFO L131 PetriNetUnfolder]: For 26/28 co-relation queries the response was YES. [2022-11-16 11:59:42,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1860 conditions, 1503 events. 125/1503 cut-off events. For 26/28 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 11018 event pairs, 8 based on Foata normal form. 2/1386 useless extension candidates. Maximal degree in co-relation 1779. Up to 92 conditions per place. [2022-11-16 11:59:42,397 INFO L137 encePairwiseOnDemand]: 332/338 looper letters, 0 selfloop transitions, 0 changer transitions 295/295 dead transitions. [2022-11-16 11:59:42,397 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 292 places, 295 transitions, 738 flow [2022-11-16 11:59:42,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:59:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:59:42,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 958 transitions. [2022-11-16 11:59:42,400 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9447731755424064 [2022-11-16 11:59:42,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 958 transitions. [2022-11-16 11:59:42,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 958 transitions. [2022-11-16 11:59:42,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:59:42,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 958 transitions. [2022-11-16 11:59:42,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 319.3333333333333) internal successors, (958), 3 states have internal predecessors, (958), 0 states have call successors, (0), 0 states 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 11:59:42,405 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:42,406 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 338.0) internal successors, (1352), 4 states have internal predecessors, (1352), 0 states have call successors, (0), 0 states 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 11:59:42,406 INFO L175 Difference]: Start difference. First operand has 293 places, 296 transitions, 714 flow. Second operand 3 states and 958 transitions. [2022-11-16 11:59:42,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 292 places, 295 transitions, 738 flow [2022-11-16 11:59:42,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 291 places, 295 transitions, 737 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:59:42,410 INFO L231 Difference]: Finished difference. Result has 291 places, 0 transitions, 0 flow [2022-11-16 11:59:42,411 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=338, PETRI_DIFFERENCE_MINUEND_FLOW=707, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=293, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=293, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=291, PETRI_TRANSITIONS=0} [2022-11-16 11:59:42,411 INFO L288 CegarLoopForPetriNet]: 302 programPoint places, -11 predicate places. [2022-11-16 11:59:42,411 INFO L495 AbstractCegarLoop]: Abstraction has has 291 places, 0 transitions, 0 flow [2022-11-16 11:59:42,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 316.6666666666667) internal successors, (950), 3 states have internal predecessors, (950), 0 states have call successors, (0), 0 states 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 11:59:42,414 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2022-11-16 11:59:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2022-11-16 11:59:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2022-11-16 11:59:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2022-11-16 11:59:42,415 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2022-11-16 11:59:42,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2022-11-16 11:59:42,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2022-11-16 11:59:42,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2022-11-16 11:59:42,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2022-11-16 11:59:42,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2022-11-16 11:59:42,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2022-11-16 11:59:42,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2022-11-16 11:59:42,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2022-11-16 11:59:42,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2022-11-16 11:59:42,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2022-11-16 11:59:42,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2022-11-16 11:59:42,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2022-11-16 11:59:42,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2022-11-16 11:59:42,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2022-11-16 11:59:42,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2022-11-16 11:59:42,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2022-11-16 11:59:42,418 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2022-11-16 11:59:42,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2022-11-16 11:59:42,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2022-11-16 11:59:42,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2022-11-16 11:59:42,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2022-11-16 11:59:42,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2022-11-16 11:59:42,419 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2022-11-16 11:59:42,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2022-11-16 11:59:42,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2022-11-16 11:59:42,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2022-11-16 11:59:42,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2022-11-16 11:59:42,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2022-11-16 11:59:42,420 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2022-11-16 11:59:42,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2022-11-16 11:59:42,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2022-11-16 11:59:42,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2022-11-16 11:59:42,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2022-11-16 11:59:42,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2022-11-16 11:59:42,421 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2022-11-16 11:59:42,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2022-11-16 11:59:42,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2022-11-16 11:59:42,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2022-11-16 11:59:42,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2022-11-16 11:59:42,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2022-11-16 11:59:42,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2022-11-16 11:59:42,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2022-11-16 11:59:42,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2022-11-16 11:59:42,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2022-11-16 11:59:42,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2022-11-16 11:59:42,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2022-11-16 11:59:42,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2022-11-16 11:59:42,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2022-11-16 11:59:42,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2022-11-16 11:59:42,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2022-11-16 11:59:42,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2022-11-16 11:59:42,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2022-11-16 11:59:42,425 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2022-11-16 11:59:42,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 11:59:42,425 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:59:42,431 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:59:42,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:59:42,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:59:42 BasicIcfg [2022-11-16 11:59:42,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:59:42,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:59:42,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:59:42,437 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:59:42,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:59:34" (3/4) ... [2022-11-16 11:59:42,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:59:42,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:59:42,446 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:59:42,451 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-16 11:59:42,451 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:59:42,451 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:59:42,452 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:59:42,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:59:42,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:59:42,488 INFO L158 Benchmark]: Toolchain (without parser) took 8998.42ms. Allocated memory was 123.7MB in the beginning and 356.5MB in the end (delta: 232.8MB). Free memory was 85.6MB in the beginning and 220.0MB in the end (delta: -134.4MB). Peak memory consumption was 98.6MB. Max. memory is 16.1GB. [2022-11-16 11:59:42,488 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:59:42,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.62ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 96.2MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:59:42,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.42ms. Allocated memory is still 123.7MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:42,489 INFO L158 Benchmark]: Boogie Preprocessor took 31.89ms. Allocated memory is still 123.7MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:42,490 INFO L158 Benchmark]: RCFGBuilder took 754.78ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 67.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-16 11:59:42,490 INFO L158 Benchmark]: TraceAbstraction took 7756.82ms. Allocated memory was 123.7MB in the beginning and 356.5MB in the end (delta: 232.8MB). Free memory was 67.4MB in the beginning and 224.2MB in the end (delta: -156.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. [2022-11-16 11:59:42,490 INFO L158 Benchmark]: Witness Printer took 51.09ms. Allocated memory is still 356.5MB. Free memory was 224.2MB in the beginning and 220.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:59:42,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 123.7MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.62ms. Allocated memory is still 123.7MB. Free memory was 85.5MB in the beginning and 96.2MB in the end (delta: -10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.42ms. Allocated memory is still 123.7MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.89ms. Allocated memory is still 123.7MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.78ms. Allocated memory is still 123.7MB. Free memory was 92.0MB in the beginning and 67.9MB in the end (delta: 24.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7756.82ms. Allocated memory was 123.7MB in the beginning and 356.5MB in the end (delta: 232.8MB). Free memory was 67.4MB in the beginning and 224.2MB in the end (delta: -156.8MB). Peak memory consumption was 78.1MB. Max. memory is 16.1GB. * Witness Printer took 51.09ms. Allocated memory is still 356.5MB. Free memory was 224.2MB in the beginning and 220.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: 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: 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: 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: 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: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 495 locations, 58 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.5s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 375 IncrementalHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 188 mSDtfsCounter, 375 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=727occurred in iteration=13, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1131 NumberOfCodeBlocks, 1131 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1114 ConstructedInterpolants, 0 QuantifiedInterpolants, 1302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:59:42,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b8f069-9259-42dc-937d-4b0eff9f9615/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