./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/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_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/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_998bb655-ab7e-4213-954a-58d74532f7f5/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 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 --- 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 11:46:22,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:46:22,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:46:22,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:46:22,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:46:22,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:46:23,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:46:23,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:46:23,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:46:23,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:46:23,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:46:23,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:46:23,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:46:23,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:46:23,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:46:23,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:46:23,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:46:23,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:46:23,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:46:23,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:46:23,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:46:23,040 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:46:23,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:46:23,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:46:23,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:46:23,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:46:23,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:46:23,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:46:23,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:46:23,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:46:23,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:46:23,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:46:23,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:46:23,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:46:23,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:46:23,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:46:23,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:46:23,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:46:23,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:46:23,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:46:23,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:46:23,070 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:46:23,112 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:46:23,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:46:23,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:46:23,113 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:46:23,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:46:23,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:46:23,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:46:23,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:46:23,116 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:46:23,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:46:23,118 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:46:23,118 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:46:23,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:46:23,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:46:23,119 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:46:23,119 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:46:23,119 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:46:23,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:46:23,128 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:46:23,128 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:46:23,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:46:23,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:46:23,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:46:23,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:46:23,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:46:23,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:46:23,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:46:23,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:46:23,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:46:23,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:46:23,131 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:46:23,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:46:23,132 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:46:23,132 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:46:23,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:46:23,133 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_998bb655-ab7e-4213-954a-58d74532f7f5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9abac63211b9980a3b9079d9eb140a85fbc6c5adec6517ed998cc9e140b19342 [2022-11-16 11:46:23,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:46:23,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:46:23,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:46:23,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:46:23,485 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:46:23,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2022-11-16 11:46:23,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/data/04708e39c/124c64a429bf43128503845909694b9f/FLAG6c7f7db4d [2022-11-16 11:46:24,053 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:46:24,054 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c [2022-11-16 11:46:24,061 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/data/04708e39c/124c64a429bf43128503845909694b9f/FLAG6c7f7db4d [2022-11-16 11:46:24,531 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/data/04708e39c/124c64a429bf43128503845909694b9f [2022-11-16 11:46:24,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:46:24,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:46:24,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:46:24,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:46:24,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:46:24,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:24,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156297f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24, skipping insertion in model container [2022-11-16 11:46:24,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:24,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:46:24,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:46:24,899 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_998bb655-ab7e-4213-954a-58d74532f7f5/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-11-16 11:46:24,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:46:24,922 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:46:24,957 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_998bb655-ab7e-4213-954a-58d74532f7f5/sv-benchmarks/c/weaver/popl20-more-min-array.wvr.c[2553,2566] [2022-11-16 11:46:24,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:46:24,974 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:46:24,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24 WrapperNode [2022-11-16 11:46:24,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:46:24,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:46:24,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:46:24,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:46:24,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,055 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 151 [2022-11-16 11:46:25,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:46:25,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:46:25,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:46:25,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:46:25,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:46:25,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:46:25,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:46:25,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:46:25,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (1/1) ... [2022-11-16 11:46:25,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:46:25,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:46:25,176 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:46:25,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:46:25,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:46:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:46:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:46:25,217 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:46:25,217 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:46:25,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:46:25,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:46:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:46:25,220 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 11:46:25,375 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:46:25,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:46:26,049 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:46:26,376 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:46:26,376 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-16 11:46:26,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:46:26 BoogieIcfgContainer [2022-11-16 11:46:26,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:46:26,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:46:26,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:46:26,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:46:26,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:46:24" (1/3) ... [2022-11-16 11:46:26,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214a329f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:26, skipping insertion in model container [2022-11-16 11:46:26,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:46:24" (2/3) ... [2022-11-16 11:46:26,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214a329f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:46:26, skipping insertion in model container [2022-11-16 11:46:26,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:46:26" (3/3) ... [2022-11-16 11:46:26,391 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array.wvr.c [2022-11-16 11:46:26,401 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:46:26,412 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:46:26,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2022-11-16 11:46:26,413 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:46:26,525 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:46:26,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 243 places, 246 transitions, 516 flow [2022-11-16 11:46:26,725 INFO L130 PetriNetUnfolder]: 13/243 cut-off events. [2022-11-16 11:46:26,725 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:46:26,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 256 conditions, 243 events. 13/243 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 278 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 170. Up to 2 conditions per place. [2022-11-16 11:46:26,734 INFO L82 GeneralOperation]: Start removeDead. Operand has 243 places, 246 transitions, 516 flow [2022-11-16 11:46:26,746 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 221 places, 223 transitions, 464 flow [2022-11-16 11:46:26,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:46:26,772 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;@107175ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:46:26,773 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-16 11:46:26,788 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-16 11:46:26,789 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:46:26,789 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:26,789 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 11:46:26,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:26,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:26,796 INFO L85 PathProgramCache]: Analyzing trace with hash 206834976, now seen corresponding path program 1 times [2022-11-16 11:46:26,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:26,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616849432] [2022-11-16 11:46:26,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:26,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:27,079 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 11:46:27,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:27,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616849432] [2022-11-16 11:46:27,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616849432] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:27,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:27,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:46:27,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669679230] [2022-11-16 11:46:27,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:27,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:27,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:27,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:27,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:27,162 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 246 [2022-11-16 11:46:27,171 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 223 transitions, 464 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,172 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:27,172 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 246 [2022-11-16 11:46:27,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:27,505 INFO L130 PetriNetUnfolder]: 205/683 cut-off events. [2022-11-16 11:46:27,506 INFO L131 PetriNetUnfolder]: For 181/206 co-relation queries the response was YES. [2022-11-16 11:46:27,514 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 683 events. 205/683 cut-off events. For 181/206 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 3281 event pairs, 114 based on Foata normal form. 75/588 useless extension candidates. Maximal degree in co-relation 859. Up to 288 conditions per place. [2022-11-16 11:46:27,521 INFO L137 encePairwiseOnDemand]: 218/246 looper letters, 24 selfloop transitions, 2 changer transitions 3/197 dead transitions. [2022-11-16 11:46:27,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 197 transitions, 464 flow [2022-11-16 11:46:27,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:46:27,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 628 transitions. [2022-11-16 11:46:27,544 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8509485094850948 [2022-11-16 11:46:27,545 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 628 transitions. [2022-11-16 11:46:27,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 628 transitions. [2022-11-16 11:46:27,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:27,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 628 transitions. [2022-11-16 11:46:27,558 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,568 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,571 INFO L175 Difference]: Start difference. First operand has 221 places, 223 transitions, 464 flow. Second operand 3 states and 628 transitions. [2022-11-16 11:46:27,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 197 transitions, 464 flow [2022-11-16 11:46:27,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 197 transitions, 452 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-16 11:46:27,588 INFO L231 Difference]: Finished difference. Result has 198 places, 194 transitions, 398 flow [2022-11-16 11:46:27,591 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=398, PETRI_PLACES=198, PETRI_TRANSITIONS=194} [2022-11-16 11:46:27,595 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -23 predicate places. [2022-11-16 11:46:27,596 INFO L495 AbstractCegarLoop]: Abstraction has has 198 places, 194 transitions, 398 flow [2022-11-16 11:46:27,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,598 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:27,598 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 11:46:27,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:46:27,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:27,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:27,600 INFO L85 PathProgramCache]: Analyzing trace with hash -341730284, now seen corresponding path program 1 times [2022-11-16 11:46:27,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:27,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976282241] [2022-11-16 11:46:27,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:27,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:27,717 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 11:46:27,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:27,718 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976282241] [2022-11-16 11:46:27,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976282241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:27,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:27,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:46:27,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667951320] [2022-11-16 11:46:27,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:27,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:27,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:27,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:27,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:27,723 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 246 [2022-11-16 11:46:27,724 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 194 transitions, 398 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,724 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:27,724 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 246 [2022-11-16 11:46:27,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:27,955 INFO L130 PetriNetUnfolder]: 154/656 cut-off events. [2022-11-16 11:46:27,956 INFO L131 PetriNetUnfolder]: For 21/48 co-relation queries the response was YES. [2022-11-16 11:46:27,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 918 conditions, 656 events. 154/656 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3172 event pairs, 90 based on Foata normal form. 0/528 useless extension candidates. Maximal degree in co-relation 885. Up to 240 conditions per place. [2022-11-16 11:46:27,963 INFO L137 encePairwiseOnDemand]: 243/246 looper letters, 24 selfloop transitions, 2 changer transitions 0/193 dead transitions. [2022-11-16 11:46:27,964 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 196 places, 193 transitions, 448 flow [2022-11-16 11:46:27,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:46:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 603 transitions. [2022-11-16 11:46:27,966 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8170731707317073 [2022-11-16 11:46:27,966 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 603 transitions. [2022-11-16 11:46:27,966 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 603 transitions. [2022-11-16 11:46:27,967 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:27,967 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 603 transitions. [2022-11-16 11:46:27,969 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.0) internal successors, (603), 3 states have internal predecessors, (603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,971 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,972 INFO L175 Difference]: Start difference. First operand has 198 places, 194 transitions, 398 flow. Second operand 3 states and 603 transitions. [2022-11-16 11:46:27,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 196 places, 193 transitions, 448 flow [2022-11-16 11:46:27,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 194 places, 193 transitions, 444 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:46:27,983 INFO L231 Difference]: Finished difference. Result has 194 places, 193 transitions, 396 flow [2022-11-16 11:46:27,983 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=392, PETRI_DIFFERENCE_MINUEND_PLACES=192, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=194, PETRI_TRANSITIONS=193} [2022-11-16 11:46:27,985 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -27 predicate places. [2022-11-16 11:46:27,985 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 193 transitions, 396 flow [2022-11-16 11:46:27,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:27,986 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:27,986 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] [2022-11-16 11:46:27,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:46:27,986 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:27,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:27,988 INFO L85 PathProgramCache]: Analyzing trace with hash -875610725, now seen corresponding path program 1 times [2022-11-16 11:46:27,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:27,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265989287] [2022-11-16 11:46:27,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:27,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:28,076 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 11:46:28,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:28,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265989287] [2022-11-16 11:46:28,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265989287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:28,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:28,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:46:28,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359176165] [2022-11-16 11:46:28,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:28,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:28,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:28,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:28,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:28,083 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 246 [2022-11-16 11:46:28,084 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 193 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,084 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:28,084 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 246 [2022-11-16 11:46:28,084 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:28,252 INFO L130 PetriNetUnfolder]: 108/550 cut-off events. [2022-11-16 11:46:28,253 INFO L131 PetriNetUnfolder]: For 18/35 co-relation queries the response was YES. [2022-11-16 11:46:28,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 550 events. 108/550 cut-off events. For 18/35 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2376 event pairs, 59 based on Foata normal form. 0/472 useless extension candidates. Maximal degree in co-relation 693. Up to 164 conditions per place. [2022-11-16 11:46:28,258 INFO L137 encePairwiseOnDemand]: 241/246 looper letters, 18 selfloop transitions, 1 changer transitions 0/189 dead transitions. [2022-11-16 11:46:28,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 426 flow [2022-11-16 11:46:28,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:28,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:46:28,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2022-11-16 11:46:28,262 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8238482384823849 [2022-11-16 11:46:28,262 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2022-11-16 11:46:28,262 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2022-11-16 11:46:28,263 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:28,263 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2022-11-16 11:46:28,265 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,267 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,267 INFO L175 Difference]: Start difference. First operand has 194 places, 193 transitions, 396 flow. Second operand 3 states and 608 transitions. [2022-11-16 11:46:28,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 426 flow [2022-11-16 11:46:28,270 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 189 transitions, 422 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:46:28,272 INFO L231 Difference]: Finished difference. Result has 190 places, 189 transitions, 386 flow [2022-11-16 11:46:28,273 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=384, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=386, PETRI_PLACES=190, PETRI_TRANSITIONS=189} [2022-11-16 11:46:28,276 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -31 predicate places. [2022-11-16 11:46:28,276 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 189 transitions, 386 flow [2022-11-16 11:46:28,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,277 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:28,277 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 11:46:28,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:46:28,277 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:28,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:28,278 INFO L85 PathProgramCache]: Analyzing trace with hash -304418364, now seen corresponding path program 1 times [2022-11-16 11:46:28,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:28,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508266665] [2022-11-16 11:46:28,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:28,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:28,379 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 11:46:28,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:28,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508266665] [2022-11-16 11:46:28,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508266665] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:28,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:28,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:46:28,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399153786] [2022-11-16 11:46:28,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:28,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:28,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:28,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:28,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:28,383 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 246 [2022-11-16 11:46:28,384 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 189 transitions, 386 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,384 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:28,384 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 246 [2022-11-16 11:46:28,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:28,477 INFO L130 PetriNetUnfolder]: 42/350 cut-off events. [2022-11-16 11:46:28,478 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-16 11:46:28,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 350 events. 42/350 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 966 event pairs, 15 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 384. Up to 62 conditions per place. [2022-11-16 11:46:28,481 INFO L137 encePairwiseOnDemand]: 243/246 looper letters, 12 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2022-11-16 11:46:28,481 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 188 transitions, 412 flow [2022-11-16 11:46:28,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:46:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 627 transitions. [2022-11-16 11:46:28,483 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8495934959349594 [2022-11-16 11:46:28,483 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 627 transitions. [2022-11-16 11:46:28,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 627 transitions. [2022-11-16 11:46:28,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:28,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 627 transitions. [2022-11-16 11:46:28,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,488 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,489 INFO L175 Difference]: Start difference. First operand has 190 places, 189 transitions, 386 flow. Second operand 3 states and 627 transitions. [2022-11-16 11:46:28,489 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 188 transitions, 412 flow [2022-11-16 11:46:28,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 188 transitions, 411 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:46:28,493 INFO L231 Difference]: Finished difference. Result has 190 places, 188 transitions, 387 flow [2022-11-16 11:46:28,493 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=186, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=190, PETRI_TRANSITIONS=188} [2022-11-16 11:46:28,494 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -31 predicate places. [2022-11-16 11:46:28,494 INFO L495 AbstractCegarLoop]: Abstraction has has 190 places, 188 transitions, 387 flow [2022-11-16 11:46:28,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:28,495 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:28,495 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 11:46:28,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:46:28,496 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:28,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:28,496 INFO L85 PathProgramCache]: Analyzing trace with hash 351612437, now seen corresponding path program 1 times [2022-11-16 11:46:28,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:28,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961590378] [2022-11-16 11:46:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:28,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:29,188 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 11:46:29,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:29,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961590378] [2022-11-16 11:46:29,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961590378] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:29,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:29,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:29,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541925463] [2022-11-16 11:46:29,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:29,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:29,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:29,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:29,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:29,195 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 246 [2022-11-16 11:46:29,198 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 188 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,198 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:29,198 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 246 [2022-11-16 11:46:29,198 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:29,498 INFO L130 PetriNetUnfolder]: 200/573 cut-off events. [2022-11-16 11:46:29,498 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-16 11:46:29,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 573 events. 200/573 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2388 event pairs, 117 based on Foata normal form. 0/501 useless extension candidates. Maximal degree in co-relation 863. Up to 312 conditions per place. [2022-11-16 11:46:29,504 INFO L137 encePairwiseOnDemand]: 240/246 looper letters, 38 selfloop transitions, 5 changer transitions 0/187 dead transitions. [2022-11-16 11:46:29,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 187 transitions, 471 flow [2022-11-16 11:46:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:29,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:46:29,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2022-11-16 11:46:29,508 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7411924119241192 [2022-11-16 11:46:29,508 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1094 transitions. [2022-11-16 11:46:29,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1094 transitions. [2022-11-16 11:46:29,509 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:29,509 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1094 transitions. [2022-11-16 11:46:29,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,515 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,516 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,517 INFO L175 Difference]: Start difference. First operand has 190 places, 188 transitions, 387 flow. Second operand 6 states and 1094 transitions. [2022-11-16 11:46:29,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 187 transitions, 471 flow [2022-11-16 11:46:29,518 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 187 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:46:29,521 INFO L231 Difference]: Finished difference. Result has 192 places, 187 transitions, 391 flow [2022-11-16 11:46:29,521 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=381, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=391, PETRI_PLACES=192, PETRI_TRANSITIONS=187} [2022-11-16 11:46:29,524 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -29 predicate places. [2022-11-16 11:46:29,524 INFO L495 AbstractCegarLoop]: Abstraction has has 192 places, 187 transitions, 391 flow [2022-11-16 11:46:29,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,525 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:29,526 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] [2022-11-16 11:46:29,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:46:29,526 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:29,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:29,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1055148403, now seen corresponding path program 1 times [2022-11-16 11:46:29,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:29,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331369100] [2022-11-16 11:46:29,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:29,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:29,572 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 11:46:29,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:29,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331369100] [2022-11-16 11:46:29,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331369100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:29,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:29,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:46:29,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267467745] [2022-11-16 11:46:29,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:29,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:29,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:29,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:29,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:29,576 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 246 [2022-11-16 11:46:29,577 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 187 transitions, 391 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,577 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:29,577 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 246 [2022-11-16 11:46:29,577 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:29,691 INFO L130 PetriNetUnfolder]: 137/528 cut-off events. [2022-11-16 11:46:29,692 INFO L131 PetriNetUnfolder]: For 37/53 co-relation queries the response was YES. [2022-11-16 11:46:29,694 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 528 events. 137/528 cut-off events. For 37/53 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 2209 event pairs, 71 based on Foata normal form. 0/453 useless extension candidates. Maximal degree in co-relation 719. Up to 187 conditions per place. [2022-11-16 11:46:29,696 INFO L137 encePairwiseOnDemand]: 241/246 looper letters, 18 selfloop transitions, 1 changer transitions 0/183 dead transitions. [2022-11-16 11:46:29,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 183 transitions, 421 flow [2022-11-16 11:46:29,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:29,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:46:29,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 608 transitions. [2022-11-16 11:46:29,699 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8238482384823849 [2022-11-16 11:46:29,699 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 608 transitions. [2022-11-16 11:46:29,699 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 608 transitions. [2022-11-16 11:46:29,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:29,700 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 608 transitions. [2022-11-16 11:46:29,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.66666666666666) internal successors, (608), 3 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,703 INFO L175 Difference]: Start difference. First operand has 192 places, 187 transitions, 391 flow. Second operand 3 states and 608 transitions. [2022-11-16 11:46:29,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 183 transitions, 421 flow [2022-11-16 11:46:29,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 183 transitions, 411 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:46:29,707 INFO L231 Difference]: Finished difference. Result has 185 places, 183 transitions, 375 flow [2022-11-16 11:46:29,708 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=375, PETRI_PLACES=185, PETRI_TRANSITIONS=183} [2022-11-16 11:46:29,709 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -36 predicate places. [2022-11-16 11:46:29,709 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 183 transitions, 375 flow [2022-11-16 11:46:29,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:29,709 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:29,709 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:29,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:46:29,710 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:29,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:29,710 INFO L85 PathProgramCache]: Analyzing trace with hash 415928035, now seen corresponding path program 1 times [2022-11-16 11:46:29,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:29,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281848106] [2022-11-16 11:46:29,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:29,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:30,242 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 11:46:30,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:30,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281848106] [2022-11-16 11:46:30,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281848106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:30,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:30,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899283323] [2022-11-16 11:46:30,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:30,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:30,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:30,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:30,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:30,248 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 246 [2022-11-16 11:46:30,249 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 183 transitions, 375 flow. Second operand has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:30,249 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:30,250 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 246 [2022-11-16 11:46:30,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:30,711 INFO L130 PetriNetUnfolder]: 242/712 cut-off events. [2022-11-16 11:46:30,711 INFO L131 PetriNetUnfolder]: For 1/9 co-relation queries the response was YES. [2022-11-16 11:46:30,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1074 conditions, 712 events. 242/712 cut-off events. For 1/9 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 3194 event pairs, 22 based on Foata normal form. 4/663 useless extension candidates. Maximal degree in co-relation 1033. Up to 184 conditions per place. [2022-11-16 11:46:30,718 INFO L137 encePairwiseOnDemand]: 241/246 looper letters, 43 selfloop transitions, 4 changer transitions 0/194 dead transitions. [2022-11-16 11:46:30,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 194 transitions, 491 flow [2022-11-16 11:46:30,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:46:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1128 transitions. [2022-11-16 11:46:30,721 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7642276422764228 [2022-11-16 11:46:30,721 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1128 transitions. [2022-11-16 11:46:30,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1128 transitions. [2022-11-16 11:46:30,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:30,722 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1128 transitions. [2022-11-16 11:46:30,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.0) internal successors, (1128), 6 states have internal predecessors, (1128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:30,728 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:30,728 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:30,728 INFO L175 Difference]: Start difference. First operand has 185 places, 183 transitions, 375 flow. Second operand 6 states and 1128 transitions. [2022-11-16 11:46:30,729 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 194 transitions, 491 flow [2022-11-16 11:46:30,730 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 194 transitions, 490 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:46:30,733 INFO L231 Difference]: Finished difference. Result has 188 places, 182 transitions, 380 flow [2022-11-16 11:46:30,733 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=380, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2022-11-16 11:46:30,734 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -33 predicate places. [2022-11-16 11:46:30,734 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 380 flow [2022-11-16 11:46:30,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:30,735 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:30,735 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] [2022-11-16 11:46:30,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:46:30,735 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:30,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:30,736 INFO L85 PathProgramCache]: Analyzing trace with hash 835686395, now seen corresponding path program 1 times [2022-11-16 11:46:30,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:30,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915408546] [2022-11-16 11:46:30,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:30,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:31,220 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 11:46:31,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:31,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915408546] [2022-11-16 11:46:31,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915408546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:31,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:31,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:31,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283117973] [2022-11-16 11:46:31,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:31,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:31,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:31,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:31,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:31,224 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 246 [2022-11-16 11:46:31,228 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:31,228 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:31,228 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 246 [2022-11-16 11:46:31,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:31,570 INFO L130 PetriNetUnfolder]: 184/528 cut-off events. [2022-11-16 11:46:31,571 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-11-16 11:46:31,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 855 conditions, 528 events. 184/528 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2074 event pairs, 79 based on Foata normal form. 0/488 useless extension candidates. Maximal degree in co-relation 814. Up to 210 conditions per place. [2022-11-16 11:46:31,576 INFO L137 encePairwiseOnDemand]: 241/246 looper letters, 38 selfloop transitions, 4 changer transitions 0/189 dead transitions. [2022-11-16 11:46:31,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 189 transitions, 478 flow [2022-11-16 11:46:31,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:31,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:46:31,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1123 transitions. [2022-11-16 11:46:31,579 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.760840108401084 [2022-11-16 11:46:31,580 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1123 transitions. [2022-11-16 11:46:31,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1123 transitions. [2022-11-16 11:46:31,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:31,581 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1123 transitions. [2022-11-16 11:46:31,583 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.16666666666666) internal successors, (1123), 6 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:31,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:31,587 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:31,587 INFO L175 Difference]: Start difference. First operand has 188 places, 182 transitions, 380 flow. Second operand 6 states and 1123 transitions. [2022-11-16 11:46:31,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 189 transitions, 478 flow [2022-11-16 11:46:31,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 189 transitions, 471 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:46:31,591 INFO L231 Difference]: Finished difference. Result has 188 places, 181 transitions, 379 flow [2022-11-16 11:46:31,591 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=371, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=177, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=379, PETRI_PLACES=188, PETRI_TRANSITIONS=181} [2022-11-16 11:46:31,593 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -33 predicate places. [2022-11-16 11:46:31,594 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 181 transitions, 379 flow [2022-11-16 11:46:31,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:31,594 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:31,595 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:31,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:46:31,595 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:31,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:31,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1104353226, now seen corresponding path program 1 times [2022-11-16 11:46:31,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:31,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756117515] [2022-11-16 11:46:31,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:31,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:32,214 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 11:46:32,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:32,214 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756117515] [2022-11-16 11:46:32,214 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756117515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:32,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:32,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:46:32,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737967225] [2022-11-16 11:46:32,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:32,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:46:32,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:32,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:46:32,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:46:32,218 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 246 [2022-11-16 11:46:32,220 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 181 transitions, 379 flow. Second operand has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,220 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:32,220 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 246 [2022-11-16 11:46:32,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:32,457 INFO L130 PetriNetUnfolder]: 145/467 cut-off events. [2022-11-16 11:46:32,457 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-11-16 11:46:32,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 467 events. 145/467 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1821 event pairs, 100 based on Foata normal form. 0/440 useless extension candidates. Maximal degree in co-relation 703. Up to 226 conditions per place. [2022-11-16 11:46:32,462 INFO L137 encePairwiseOnDemand]: 241/246 looper letters, 33 selfloop transitions, 4 changer transitions 0/184 dead transitions. [2022-11-16 11:46:32,462 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 184 transitions, 459 flow [2022-11-16 11:46:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:46:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:46:32,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1118 transitions. [2022-11-16 11:46:32,465 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7574525745257452 [2022-11-16 11:46:32,466 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1118 transitions. [2022-11-16 11:46:32,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1118 transitions. [2022-11-16 11:46:32,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:32,467 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1118 transitions. [2022-11-16 11:46:32,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 186.33333333333334) internal successors, (1118), 6 states have internal predecessors, (1118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,473 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 246.0) internal successors, (1722), 7 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,473 INFO L175 Difference]: Start difference. First operand has 188 places, 181 transitions, 379 flow. Second operand 6 states and 1118 transitions. [2022-11-16 11:46:32,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 184 transitions, 459 flow [2022-11-16 11:46:32,474 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 184 transitions, 452 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:46:32,477 INFO L231 Difference]: Finished difference. Result has 188 places, 180 transitions, 378 flow [2022-11-16 11:46:32,477 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=180, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=188, PETRI_TRANSITIONS=180} [2022-11-16 11:46:32,478 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -33 predicate places. [2022-11-16 11:46:32,478 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 180 transitions, 378 flow [2022-11-16 11:46:32,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,479 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:32,479 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:32,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:46:32,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:32,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:32,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1899149095, now seen corresponding path program 1 times [2022-11-16 11:46:32,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:32,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048708254] [2022-11-16 11:46:32,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:32,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:32,570 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 11:46:32,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:32,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048708254] [2022-11-16 11:46:32,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048708254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:32,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:32,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:46:32,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749846040] [2022-11-16 11:46:32,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:32,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:32,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:32,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:32,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:32,578 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 246 [2022-11-16 11:46:32,579 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 180 transitions, 378 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,579 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:32,580 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 246 [2022-11-16 11:46:32,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:32,661 INFO L130 PetriNetUnfolder]: 42/336 cut-off events. [2022-11-16 11:46:32,661 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-16 11:46:32,662 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414 conditions, 336 events. 42/336 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 885 event pairs, 15 based on Foata normal form. 0/307 useless extension candidates. Maximal degree in co-relation 391. Up to 59 conditions per place. [2022-11-16 11:46:32,663 INFO L137 encePairwiseOnDemand]: 244/246 looper letters, 10 selfloop transitions, 1 changer transitions 0/179 dead transitions. [2022-11-16 11:46:32,664 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 179 transitions, 398 flow [2022-11-16 11:46:32,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:46:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2022-11-16 11:46:32,666 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8577235772357723 [2022-11-16 11:46:32,667 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 633 transitions. [2022-11-16 11:46:32,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 633 transitions. [2022-11-16 11:46:32,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:32,667 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 633 transitions. [2022-11-16 11:46:32,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 211.0) internal successors, (633), 3 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,670 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,671 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,671 INFO L175 Difference]: Start difference. First operand has 188 places, 180 transitions, 378 flow. Second operand 3 states and 633 transitions. [2022-11-16 11:46:32,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 179 transitions, 398 flow [2022-11-16 11:46:32,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 179 transitions, 391 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:46:32,675 INFO L231 Difference]: Finished difference. Result has 185 places, 179 transitions, 371 flow [2022-11-16 11:46:32,675 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=369, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=371, PETRI_PLACES=185, PETRI_TRANSITIONS=179} [2022-11-16 11:46:32,676 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -36 predicate places. [2022-11-16 11:46:32,676 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 179 transitions, 371 flow [2022-11-16 11:46:32,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,677 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:46:32,677 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:32,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:46:32,677 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 56 more)] === [2022-11-16 11:46:32,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:46:32,678 INFO L85 PathProgramCache]: Analyzing trace with hash -198954694, now seen corresponding path program 1 times [2022-11-16 11:46:32,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:46:32,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339986582] [2022-11-16 11:46:32,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:46:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:46:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:46:32,747 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 11:46:32,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:46:32,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339986582] [2022-11-16 11:46:32,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339986582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:46:32,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:46:32,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:46:32,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984733864] [2022-11-16 11:46:32,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:46:32,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:46:32,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:46:32,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:46:32,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:46:32,751 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 246 [2022-11-16 11:46:32,752 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 179 transitions, 371 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,752 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:46:32,752 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 246 [2022-11-16 11:46:32,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:46:32,827 INFO L130 PetriNetUnfolder]: 42/335 cut-off events. [2022-11-16 11:46:32,827 INFO L131 PetriNetUnfolder]: For 14/17 co-relation queries the response was YES. [2022-11-16 11:46:32,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 410 conditions, 335 events. 42/335 cut-off events. For 14/17 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 885 event pairs, 15 based on Foata normal form. 1/307 useless extension candidates. Maximal degree in co-relation 402. Up to 59 conditions per place. [2022-11-16 11:46:32,829 INFO L137 encePairwiseOnDemand]: 244/246 looper letters, 0 selfloop transitions, 0 changer transitions 178/178 dead transitions. [2022-11-16 11:46:32,829 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 178 transitions, 389 flow [2022-11-16 11:46:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:46:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:46:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 632 transitions. [2022-11-16 11:46:32,831 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8563685636856369 [2022-11-16 11:46:32,831 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 632 transitions. [2022-11-16 11:46:32,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 632 transitions. [2022-11-16 11:46:32,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:46:32,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 632 transitions. [2022-11-16 11:46:32,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.66666666666666) internal successors, (632), 3 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,835 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,835 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,835 INFO L175 Difference]: Start difference. First operand has 185 places, 179 transitions, 371 flow. Second operand 3 states and 632 transitions. [2022-11-16 11:46:32,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 178 transitions, 389 flow [2022-11-16 11:46:32,837 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 178 transitions, 388 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:46:32,838 INFO L231 Difference]: Finished difference. Result has 185 places, 0 transitions, 0 flow [2022-11-16 11:46:32,838 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=246, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=178, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=185, PETRI_TRANSITIONS=0} [2022-11-16 11:46:32,839 INFO L288 CegarLoopForPetriNet]: 221 programPoint places, -36 predicate places. [2022-11-16 11:46:32,839 INFO L495 AbstractCegarLoop]: Abstraction has has 185 places, 0 transitions, 0 flow [2022-11-16 11:46:32,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:46:32,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2022-11-16 11:46:32,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2022-11-16 11:46:32,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2022-11-16 11:46:32,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2022-11-16 11:46:32,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2022-11-16 11:46:32,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2022-11-16 11:46:32,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2022-11-16 11:46:32,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2022-11-16 11:46:32,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 60 remaining) [2022-11-16 11:46:32,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 60 remaining) [2022-11-16 11:46:32,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2022-11-16 11:46:32,844 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2022-11-16 11:46:32,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2022-11-16 11:46:32,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2022-11-16 11:46:32,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2022-11-16 11:46:32,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2022-11-16 11:46:32,845 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2022-11-16 11:46:32,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2022-11-16 11:46:32,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2022-11-16 11:46:32,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2022-11-16 11:46:32,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2022-11-16 11:46:32,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2022-11-16 11:46:32,846 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2022-11-16 11:46:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2022-11-16 11:46:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2022-11-16 11:46:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2022-11-16 11:46:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2022-11-16 11:46:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2022-11-16 11:46:32,847 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2022-11-16 11:46:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2022-11-16 11:46:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2022-11-16 11:46:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2022-11-16 11:46:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2022-11-16 11:46:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2022-11-16 11:46:32,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2022-11-16 11:46:32,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 60 remaining) [2022-11-16 11:46:32,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 60 remaining) [2022-11-16 11:46:32,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 60 remaining) [2022-11-16 11:46:32,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2022-11-16 11:46:32,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2022-11-16 11:46:32,849 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2022-11-16 11:46:32,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2022-11-16 11:46:32,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2022-11-16 11:46:32,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2022-11-16 11:46:32,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2022-11-16 11:46:32,850 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2022-11-16 11:46:32,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2022-11-16 11:46:32,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2022-11-16 11:46:32,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2022-11-16 11:46:32,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2022-11-16 11:46:32,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2022-11-16 11:46:32,851 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2022-11-16 11:46:32,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2022-11-16 11:46:32,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2022-11-16 11:46:32,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2022-11-16 11:46:32,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2022-11-16 11:46:32,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2022-11-16 11:46:32,852 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2022-11-16 11:46:32,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2022-11-16 11:46:32,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2022-11-16 11:46:32,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:46:32,853 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:46:32,859 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:46:32,859 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:46:32,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:46:32 BasicIcfg [2022-11-16 11:46:32,864 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:46:32,864 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:46:32,864 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:46:32,864 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:46:32,865 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:46:26" (3/4) ... [2022-11-16 11:46:32,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:46:32,872 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:46:32,872 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:46:32,872 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:46:32,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-16 11:46:32,877 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:46:32,878 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:46:32,878 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:46:32,915 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:46:32,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:46:32,916 INFO L158 Benchmark]: Toolchain (without parser) took 8380.95ms. Allocated memory was 109.1MB in the beginning and 234.9MB in the end (delta: 125.8MB). Free memory was 67.6MB in the beginning and 117.1MB in the end (delta: -49.4MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2022-11-16 11:46:32,917 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:46:32,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.60ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 83.0MB in the end (delta: -15.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:46:32,917 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.89ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:46:32,917 INFO L158 Benchmark]: Boogie Preprocessor took 74.57ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 78.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:46:32,918 INFO L158 Benchmark]: RCFGBuilder took 1247.98ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 78.0MB in the beginning and 92.7MB in the end (delta: -14.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2022-11-16 11:46:32,918 INFO L158 Benchmark]: TraceAbstraction took 6480.08ms. Allocated memory was 132.1MB in the beginning and 234.9MB in the end (delta: 102.8MB). Free memory was 92.0MB in the beginning and 120.2MB in the end (delta: -28.2MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2022-11-16 11:46:32,919 INFO L158 Benchmark]: Witness Printer took 51.62ms. Allocated memory is still 234.9MB. Free memory was 120.2MB in the beginning and 117.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:46:32,920 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.60ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 83.0MB in the end (delta: -15.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.89ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.57ms. Allocated memory is still 109.1MB. Free memory was 80.9MB in the beginning and 78.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1247.98ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 78.0MB in the beginning and 92.7MB in the end (delta: -14.7MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6480.08ms. Allocated memory was 132.1MB in the beginning and 234.9MB in the end (delta: 102.8MB). Free memory was 92.0MB in the beginning and 120.2MB in the end (delta: -28.2MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Witness Printer took 51.62ms. Allocated memory is still 234.9MB. Free memory was 120.2MB in the beginning and 117.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: 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: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: 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 7 procedures, 294 locations, 60 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: 6.3s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 84 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 470 IncrementalHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 84 mSolverCounterUnsat, 125 mSDtfsCounter, 470 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=464occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 916 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 35 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:46:32,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_998bb655-ab7e-4213-954a-58d74532f7f5/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