./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/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_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/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_7e2b9a20-fa50-46bb-8b66-df5894b526c8/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 3f696f3d7a078e1a0d9bb5ce793945c7092990826a45e57529562474d0b18f4a --- 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 11:50:54,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:50:54,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:50:54,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:50:54,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:50:54,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:50:54,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:50:54,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:50:54,555 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:50:54,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:50:54,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:50:54,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:50:54,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:50:54,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:50:54,563 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:50:54,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:50:54,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:50:54,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:50:54,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:50:54,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:50:54,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:50:54,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:50:54,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:50:54,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:50:54,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:50:54,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:50:54,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:50:54,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:50:54,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:50:54,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:50:54,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:50:54,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:50:54,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:50:54,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:50:54,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:50:54,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:50:54,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:50:54,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:50:54,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:50:54,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:50:54,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:50:54,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 11:50:54,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:50:54,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:50:54,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:50:54,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:50:54,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:50:54,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:50:54,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:50:54,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:50:54,633 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:50:54,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:50:54,634 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:50:54,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:50:54,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:50:54,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:50:54,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:50:54,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:50:54,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:50:54,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:50:54,637 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 11:50:54,638 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:50:54,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:50:54,638 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:50:54,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:50:54,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:50:54,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:50:54,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:50:54,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:50:54,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:50:54,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:50:54,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:50:54,642 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:50:54,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:50:54,643 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:50:54,643 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:50:54,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:50:54,644 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_7e2b9a20-fa50-46bb-8b66-df5894b526c8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f696f3d7a078e1a0d9bb5ce793945c7092990826a45e57529562474d0b18f4a [2022-11-16 11:50:55,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:50:55,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:50:55,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:50:55,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:50:55,037 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:50:55,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2022-11-16 11:50:55,121 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/data/a61e8961a/e5200855c6b34d0ca352a25e4326becb/FLAG1d042beab [2022-11-16 11:50:55,692 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:50:55,697 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c [2022-11-16 11:50:55,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/data/a61e8961a/e5200855c6b34d0ca352a25e4326becb/FLAG1d042beab [2022-11-16 11:50:56,021 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/data/a61e8961a/e5200855c6b34d0ca352a25e4326becb [2022-11-16 11:50:56,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:50:56,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:50:56,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:50:56,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:50:56,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:50:56,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d9de87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56, skipping insertion in model container [2022-11-16 11:50:56,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:50:56,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:50:56,403 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_7e2b9a20-fa50-46bb-8b66-df5894b526c8/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-11-16 11:50:56,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:50:56,414 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:50:56,449 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_7e2b9a20-fa50-46bb-8b66-df5894b526c8/sv-benchmarks/c/weaver/parallel-misc-5.wvr.c[3027,3040] [2022-11-16 11:50:56,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:50:56,467 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:50:56,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56 WrapperNode [2022-11-16 11:50:56,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:50:56,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:50:56,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:50:56,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:50:56,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,547 INFO L138 Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 258 [2022-11-16 11:50:56,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:50:56,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:50:56,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:50:56,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:50:56,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:50:56,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:50:56,619 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:50:56,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:50:56,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (1/1) ... [2022-11-16 11:50:56,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:50:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:50:56,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:50:56,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:50:56,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:50:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-16 11:50:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-16 11:50:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-16 11:50:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-16 11:50:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-16 11:50:56,722 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-16 11:50:56,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:50:56,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:50:56,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:50:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-16 11:50:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-16 11:50:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:50:56,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:50:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:50:56,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:50:56,729 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 11:50:56,853 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:50:56,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:50:57,479 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:50:57,838 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:50:57,838 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:50:57,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:50:57 BoogieIcfgContainer [2022-11-16 11:50:57,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:50:57,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:50:57,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:50:57,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:50:57,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:50:56" (1/3) ... [2022-11-16 11:50:57,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5648d016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:50:57, skipping insertion in model container [2022-11-16 11:50:57,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:50:56" (2/3) ... [2022-11-16 11:50:57,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5648d016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:50:57, skipping insertion in model container [2022-11-16 11:50:57,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:50:57" (3/3) ... [2022-11-16 11:50:57,857 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c [2022-11-16 11:50:57,867 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 11:50:57,879 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:50:57,879 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 37 error locations. [2022-11-16 11:50:57,879 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 11:50:57,993 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-16 11:50:58,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 203 places, 203 transitions, 430 flow [2022-11-16 11:50:58,159 INFO L130 PetriNetUnfolder]: 10/200 cut-off events. [2022-11-16 11:50:58,160 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-16 11:50:58,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 213 conditions, 200 events. 10/200 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 277 event pairs, 0 based on Foata normal form. 0/153 useless extension candidates. Maximal degree in co-relation 158. Up to 2 conditions per place. [2022-11-16 11:50:58,172 INFO L82 GeneralOperation]: Start removeDead. Operand has 203 places, 203 transitions, 430 flow [2022-11-16 11:50:58,185 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 187 places, 187 transitions, 389 flow [2022-11-16 11:50:58,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:50:58,209 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;@22e02517, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:50:58,209 INFO L358 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2022-11-16 11:50:58,228 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-11-16 11:50:58,228 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 11:50:58,229 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:50:58,229 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] [2022-11-16 11:50:58,230 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:50:58,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:58,237 INFO L85 PathProgramCache]: Analyzing trace with hash -480011544, now seen corresponding path program 1 times [2022-11-16 11:50:58,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:58,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796438054] [2022-11-16 11:50:58,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:58,513 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 11:50:58,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:58,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796438054] [2022-11-16 11:50:58,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796438054] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:58,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:58,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:50:58,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086707332] [2022-11-16 11:50:58,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:58,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:50:58,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:58,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:50:58,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:50:58,563 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 203 [2022-11-16 11:50:58,571 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 187 transitions, 389 flow. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:58,574 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:50:58,575 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 203 [2022-11-16 11:50:58,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:50:58,811 INFO L130 PetriNetUnfolder]: 83/351 cut-off events. [2022-11-16 11:50:58,811 INFO L131 PetriNetUnfolder]: For 51/65 co-relation queries the response was YES. [2022-11-16 11:50:58,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 522 conditions, 351 events. 83/351 cut-off events. For 51/65 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1118 event pairs, 38 based on Foata normal form. 22/309 useless extension candidates. Maximal degree in co-relation 356. Up to 131 conditions per place. [2022-11-16 11:50:58,820 INFO L137 encePairwiseOnDemand]: 173/203 looper letters, 26 selfloop transitions, 2 changer transitions 2/159 dead transitions. [2022-11-16 11:50:58,821 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 159 transitions, 389 flow [2022-11-16 11:50:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:50:58,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:50:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 491 transitions. [2022-11-16 11:50:58,837 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.80623973727422 [2022-11-16 11:50:58,838 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 491 transitions. [2022-11-16 11:50:58,839 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 491 transitions. [2022-11-16 11:50:58,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:50:58,844 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 491 transitions. [2022-11-16 11:50:58,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:58,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:58,856 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:58,858 INFO L175 Difference]: Start difference. First operand has 187 places, 187 transitions, 389 flow. Second operand 3 states and 491 transitions. [2022-11-16 11:50:58,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 159 transitions, 389 flow [2022-11-16 11:50:58,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 159 transitions, 380 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-16 11:50:58,870 INFO L231 Difference]: Finished difference. Result has 159 places, 157 transitions, 324 flow [2022-11-16 11:50:58,872 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=324, PETRI_PLACES=159, PETRI_TRANSITIONS=157} [2022-11-16 11:50:58,879 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -28 predicate places. [2022-11-16 11:50:58,879 INFO L495 AbstractCegarLoop]: Abstraction has has 159 places, 157 transitions, 324 flow [2022-11-16 11:50:58,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:58,880 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:50:58,881 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:58,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:50:58,881 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:50:58,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:58,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1355584632, now seen corresponding path program 1 times [2022-11-16 11:50:58,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:58,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993297798] [2022-11-16 11:50:58,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:58,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:59,009 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 11:50:59,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:59,009 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993297798] [2022-11-16 11:50:59,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993297798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:59,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:59,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:50:59,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742388145] [2022-11-16 11:50:59,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:59,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:50:59,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:59,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:50:59,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:50:59,014 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 203 [2022-11-16 11:50:59,014 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 157 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,015 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:50:59,015 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 203 [2022-11-16 11:50:59,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:50:59,134 INFO L130 PetriNetUnfolder]: 83/348 cut-off events. [2022-11-16 11:50:59,134 INFO L131 PetriNetUnfolder]: For 8/22 co-relation queries the response was YES. [2022-11-16 11:50:59,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 501 conditions, 348 events. 83/348 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1116 event pairs, 38 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 469. Up to 125 conditions per place. [2022-11-16 11:50:59,142 INFO L137 encePairwiseOnDemand]: 200/203 looper letters, 20 selfloop transitions, 2 changer transitions 0/156 dead transitions. [2022-11-16 11:50:59,142 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 156 transitions, 366 flow [2022-11-16 11:50:59,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:50:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:50:59,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-16 11:50:59,149 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2022-11-16 11:50:59,150 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,151 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:50:59,151 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,158 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,159 INFO L175 Difference]: Start difference. First operand has 159 places, 157 transitions, 324 flow. Second operand 3 states and 476 transitions. [2022-11-16 11:50:59,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 156 transitions, 366 flow [2022-11-16 11:50:59,163 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 156 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:50:59,167 INFO L231 Difference]: Finished difference. Result has 156 places, 156 transitions, 322 flow [2022-11-16 11:50:59,168 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=154, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=156, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=322, PETRI_PLACES=156, PETRI_TRANSITIONS=156} [2022-11-16 11:50:59,169 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -31 predicate places. [2022-11-16 11:50:59,170 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 156 transitions, 322 flow [2022-11-16 11:50:59,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,170 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:50:59,171 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:59,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:50:59,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:50:59,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:59,175 INFO L85 PathProgramCache]: Analyzing trace with hash 519159417, now seen corresponding path program 1 times [2022-11-16 11:50:59,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:59,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166864829] [2022-11-16 11:50:59,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:59,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:59,290 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 11:50:59,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:59,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166864829] [2022-11-16 11:50:59,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166864829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:59,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:59,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:50:59,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630661039] [2022-11-16 11:50:59,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:59,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:50:59,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:59,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:50:59,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:50:59,298 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 203 [2022-11-16 11:50:59,299 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 156 transitions, 322 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,299 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:50:59,299 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 203 [2022-11-16 11:50:59,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:50:59,393 INFO L130 PetriNetUnfolder]: 83/347 cut-off events. [2022-11-16 11:50:59,393 INFO L131 PetriNetUnfolder]: For 8/22 co-relation queries the response was YES. [2022-11-16 11:50:59,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500 conditions, 347 events. 83/347 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1112 event pairs, 38 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 461. Up to 125 conditions per place. [2022-11-16 11:50:59,396 INFO L137 encePairwiseOnDemand]: 200/203 looper letters, 20 selfloop transitions, 2 changer transitions 0/155 dead transitions. [2022-11-16 11:50:59,396 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 155 transitions, 364 flow [2022-11-16 11:50:59,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:50:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:50:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-16 11:50:59,399 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2022-11-16 11:50:59,399 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,399 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:50:59,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,401 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,403 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,403 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,404 INFO L175 Difference]: Start difference. First operand has 156 places, 156 transitions, 322 flow. Second operand 3 states and 476 transitions. [2022-11-16 11:50:59,404 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 155 transitions, 364 flow [2022-11-16 11:50:59,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 155 transitions, 360 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:50:59,408 INFO L231 Difference]: Finished difference. Result has 155 places, 155 transitions, 320 flow [2022-11-16 11:50:59,408 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=320, PETRI_PLACES=155, PETRI_TRANSITIONS=155} [2022-11-16 11:50:59,409 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -32 predicate places. [2022-11-16 11:50:59,409 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 155 transitions, 320 flow [2022-11-16 11:50:59,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,410 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:50:59,410 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:59,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:50:59,411 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:50:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash -103858925, now seen corresponding path program 1 times [2022-11-16 11:50:59,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:59,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093850813] [2022-11-16 11:50:59,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:59,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:59,453 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 11:50:59,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:59,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093850813] [2022-11-16 11:50:59,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093850813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:59,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:59,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:50:59,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017455403] [2022-11-16 11:50:59,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:59,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:50:59,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:59,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:50:59,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:50:59,457 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 151 out of 203 [2022-11-16 11:50:59,458 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 155 transitions, 320 flow. Second operand has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:50:59,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 151 of 203 [2022-11-16 11:50:59,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:50:59,534 INFO L130 PetriNetUnfolder]: 83/346 cut-off events. [2022-11-16 11:50:59,535 INFO L131 PetriNetUnfolder]: For 8/22 co-relation queries the response was YES. [2022-11-16 11:50:59,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 346 events. 83/346 cut-off events. For 8/22 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1111 event pairs, 38 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 453. Up to 125 conditions per place. [2022-11-16 11:50:59,537 INFO L137 encePairwiseOnDemand]: 200/203 looper letters, 20 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2022-11-16 11:50:59,538 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 362 flow [2022-11-16 11:50:59,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:50:59,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:50:59,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 476 transitions. [2022-11-16 11:50:59,540 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7816091954022989 [2022-11-16 11:50:59,540 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,541 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:50:59,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 476 transitions. [2022-11-16 11:50:59,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,545 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,545 INFO L175 Difference]: Start difference. First operand has 155 places, 155 transitions, 320 flow. Second operand 3 states and 476 transitions. [2022-11-16 11:50:59,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 154 transitions, 362 flow [2022-11-16 11:50:59,547 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 154 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:50:59,549 INFO L231 Difference]: Finished difference. Result has 154 places, 154 transitions, 318 flow [2022-11-16 11:50:59,550 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=314, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=154, PETRI_TRANSITIONS=154} [2022-11-16 11:50:59,551 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -33 predicate places. [2022-11-16 11:50:59,551 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 154 transitions, 318 flow [2022-11-16 11:50:59,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.33333333333334) internal successors, (457), 3 states have internal predecessors, (457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,552 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:50:59,552 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:59,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:50:59,552 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:50:59,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:59,553 INFO L85 PathProgramCache]: Analyzing trace with hash -670139487, now seen corresponding path program 1 times [2022-11-16 11:50:59,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:59,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81330995] [2022-11-16 11:50:59,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:59,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:59,613 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 11:50:59,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:59,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81330995] [2022-11-16 11:50:59,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81330995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:59,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:59,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:50:59,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735951270] [2022-11-16 11:50:59,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:59,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:50:59,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:59,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:50:59,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:50:59,617 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 203 [2022-11-16 11:50:59,618 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 154 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,618 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:50:59,618 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 203 [2022-11-16 11:50:59,618 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:50:59,796 INFO L130 PetriNetUnfolder]: 129/527 cut-off events. [2022-11-16 11:50:59,796 INFO L131 PetriNetUnfolder]: For 15/39 co-relation queries the response was YES. [2022-11-16 11:50:59,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 755 conditions, 527 events. 129/527 cut-off events. For 15/39 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2247 event pairs, 19 based on Foata normal form. 1/453 useless extension candidates. Maximal degree in co-relation 702. Up to 132 conditions per place. [2022-11-16 11:50:59,801 INFO L137 encePairwiseOnDemand]: 194/203 looper letters, 29 selfloop transitions, 6 changer transitions 0/164 dead transitions. [2022-11-16 11:50:59,801 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 164 transitions, 413 flow [2022-11-16 11:50:59,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:50:59,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:50:59,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 482 transitions. [2022-11-16 11:50:59,803 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7914614121510674 [2022-11-16 11:50:59,804 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 482 transitions. [2022-11-16 11:50:59,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 482 transitions. [2022-11-16 11:50:59,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:50:59,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 482 transitions. [2022-11-16 11:50:59,806 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,808 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,808 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,809 INFO L175 Difference]: Start difference. First operand has 154 places, 154 transitions, 318 flow. Second operand 3 states and 482 transitions. [2022-11-16 11:50:59,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 164 transitions, 413 flow [2022-11-16 11:50:59,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 164 transitions, 409 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:50:59,813 INFO L231 Difference]: Finished difference. Result has 153 places, 156 transitions, 352 flow [2022-11-16 11:50:59,814 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=308, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=352, PETRI_PLACES=153, PETRI_TRANSITIONS=156} [2022-11-16 11:50:59,817 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -34 predicate places. [2022-11-16 11:50:59,818 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 156 transitions, 352 flow [2022-11-16 11:50:59,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.33333333333334) internal successors, (448), 3 states have internal predecessors, (448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,818 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:50:59,819 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:50:59,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:50:59,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:50:59,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:50:59,821 INFO L85 PathProgramCache]: Analyzing trace with hash 241066506, now seen corresponding path program 1 times [2022-11-16 11:50:59,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:50:59,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512568713] [2022-11-16 11:50:59,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:50:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:50:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:50:59,899 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 11:50:59,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:50:59,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512568713] [2022-11-16 11:50:59,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512568713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:50:59,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:50:59,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:50:59,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305874022] [2022-11-16 11:50:59,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:50:59,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:50:59,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:50:59,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:50:59,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:50:59,905 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2022-11-16 11:50:59,906 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 156 transitions, 352 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:50:59,906 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:50:59,906 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2022-11-16 11:50:59,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:51:00,064 INFO L130 PetriNetUnfolder]: 168/662 cut-off events. [2022-11-16 11:51:00,064 INFO L131 PetriNetUnfolder]: For 212/278 co-relation queries the response was YES. [2022-11-16 11:51:00,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1142 conditions, 662 events. 168/662 cut-off events. For 212/278 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 3248 event pairs, 41 based on Foata normal form. 1/572 useless extension candidates. Maximal degree in co-relation 761. Up to 144 conditions per place. [2022-11-16 11:51:00,070 INFO L137 encePairwiseOnDemand]: 199/203 looper letters, 33 selfloop transitions, 5 changer transitions 0/170 dead transitions. [2022-11-16 11:51:00,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 170 transitions, 489 flow [2022-11-16 11:51:00,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:51:00,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:51:00,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 492 transitions. [2022-11-16 11:51:00,073 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8078817733990148 [2022-11-16 11:51:00,073 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 492 transitions. [2022-11-16 11:51:00,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 492 transitions. [2022-11-16 11:51:00,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:51:00,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 492 transitions. [2022-11-16 11:51:00,077 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,079 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,079 INFO L175 Difference]: Start difference. First operand has 153 places, 156 transitions, 352 flow. Second operand 3 states and 492 transitions. [2022-11-16 11:51:00,079 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 170 transitions, 489 flow [2022-11-16 11:51:00,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 170 transitions, 467 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:51:00,086 INFO L231 Difference]: Finished difference. Result has 153 places, 159 transitions, 377 flow [2022-11-16 11:51:00,086 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=377, PETRI_PLACES=153, PETRI_TRANSITIONS=159} [2022-11-16 11:51:00,090 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -34 predicate places. [2022-11-16 11:51:00,090 INFO L495 AbstractCegarLoop]: Abstraction has has 153 places, 159 transitions, 377 flow [2022-11-16 11:51:00,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,091 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:51:00,092 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:51:00,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 11:51:00,092 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:51:00,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:00,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1077447997, now seen corresponding path program 1 times [2022-11-16 11:51:00,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:00,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518884318] [2022-11-16 11:51:00,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:00,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:00,191 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 11:51:00,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:51:00,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518884318] [2022-11-16 11:51:00,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518884318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:51:00,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:51:00,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:51:00,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272173725] [2022-11-16 11:51:00,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:51:00,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:51:00,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:51:00,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:51:00,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:51:00,195 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2022-11-16 11:51:00,197 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 153 places, 159 transitions, 377 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,197 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:51:00,197 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2022-11-16 11:51:00,197 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:51:00,429 INFO L130 PetriNetUnfolder]: 269/1077 cut-off events. [2022-11-16 11:51:00,429 INFO L131 PetriNetUnfolder]: For 399/564 co-relation queries the response was YES. [2022-11-16 11:51:00,433 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1877 conditions, 1077 events. 269/1077 cut-off events. For 399/564 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6547 event pairs, 100 based on Foata normal form. 0/900 useless extension candidates. Maximal degree in co-relation 776. Up to 285 conditions per place. [2022-11-16 11:51:00,439 INFO L137 encePairwiseOnDemand]: 199/203 looper letters, 42 selfloop transitions, 5 changer transitions 0/178 dead transitions. [2022-11-16 11:51:00,440 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 178 transitions, 553 flow [2022-11-16 11:51:00,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:51:00,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:51:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2022-11-16 11:51:00,442 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8111658456486043 [2022-11-16 11:51:00,442 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 494 transitions. [2022-11-16 11:51:00,442 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 494 transitions. [2022-11-16 11:51:00,443 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:51:00,443 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 494 transitions. [2022-11-16 11:51:00,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.66666666666666) internal successors, (494), 3 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,447 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,447 INFO L175 Difference]: Start difference. First operand has 153 places, 159 transitions, 377 flow. Second operand 3 states and 494 transitions. [2022-11-16 11:51:00,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 178 transitions, 553 flow [2022-11-16 11:51:00,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 178 transitions, 546 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:51:00,451 INFO L231 Difference]: Finished difference. Result has 154 places, 162 transitions, 409 flow [2022-11-16 11:51:00,452 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=151, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=154, PETRI_TRANSITIONS=162} [2022-11-16 11:51:00,452 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -33 predicate places. [2022-11-16 11:51:00,453 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 162 transitions, 409 flow [2022-11-16 11:51:00,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,453 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:51:00,454 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:51:00,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 11:51:00,454 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:51:00,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:00,455 INFO L85 PathProgramCache]: Analyzing trace with hash -104910581, now seen corresponding path program 1 times [2022-11-16 11:51:00,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:00,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8964915] [2022-11-16 11:51:00,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:00,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:00,506 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 11:51:00,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:51:00,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8964915] [2022-11-16 11:51:00,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8964915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:51:00,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:51:00,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:51:00,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606822124] [2022-11-16 11:51:00,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:51:00,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:51:00,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:51:00,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:51:00,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:51:00,509 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 203 [2022-11-16 11:51:00,510 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 162 transitions, 409 flow. Second operand has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,510 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:51:00,511 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 203 [2022-11-16 11:51:00,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:51:00,774 INFO L130 PetriNetUnfolder]: 339/1471 cut-off events. [2022-11-16 11:51:00,774 INFO L131 PetriNetUnfolder]: For 729/935 co-relation queries the response was YES. [2022-11-16 11:51:00,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2607 conditions, 1471 events. 339/1471 cut-off events. For 729/935 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 10161 event pairs, 47 based on Foata normal form. 30/1315 useless extension candidates. Maximal degree in co-relation 1541. Up to 397 conditions per place. [2022-11-16 11:51:00,788 INFO L137 encePairwiseOnDemand]: 196/203 looper letters, 50 selfloop transitions, 7 changer transitions 0/187 dead transitions. [2022-11-16 11:51:00,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 187 transitions, 649 flow [2022-11-16 11:51:00,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:51:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-16 11:51:00,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 495 transitions. [2022-11-16 11:51:00,790 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.812807881773399 [2022-11-16 11:51:00,790 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 495 transitions. [2022-11-16 11:51:00,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 495 transitions. [2022-11-16 11:51:00,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:51:00,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 495 transitions. [2022-11-16 11:51:00,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 165.0) internal successors, (495), 3 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,794 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,795 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 203.0) internal successors, (812), 4 states have internal predecessors, (812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,795 INFO L175 Difference]: Start difference. First operand has 154 places, 162 transitions, 409 flow. Second operand 3 states and 495 transitions. [2022-11-16 11:51:00,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 187 transitions, 649 flow [2022-11-16 11:51:00,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 187 transitions, 640 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 11:51:00,801 INFO L231 Difference]: Finished difference. Result has 156 places, 166 transitions, 452 flow [2022-11-16 11:51:00,801 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=402, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=452, PETRI_PLACES=156, PETRI_TRANSITIONS=166} [2022-11-16 11:51:00,802 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -31 predicate places. [2022-11-16 11:51:00,802 INFO L495 AbstractCegarLoop]: Abstraction has has 156 places, 166 transitions, 452 flow [2022-11-16 11:51:00,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.33333333333334) internal successors, (466), 3 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:00,803 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:51:00,803 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] [2022-11-16 11:51:00,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 11:51:00,803 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:51:00,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:00,804 INFO L85 PathProgramCache]: Analyzing trace with hash -557130740, now seen corresponding path program 1 times [2022-11-16 11:51:00,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:00,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398767671] [2022-11-16 11:51:00,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:00,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:01,437 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 11:51:01,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:51:01,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398767671] [2022-11-16 11:51:01,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398767671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:51:01,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:51:01,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:51:01,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437388489] [2022-11-16 11:51:01,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:51:01,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:51:01,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:51:01,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:51:01,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:51:01,442 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 203 [2022-11-16 11:51:01,444 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 166 transitions, 452 flow. Second operand has 6 states, 6 states have (on average 138.0) internal successors, (828), 6 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:01,444 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:51:01,444 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 203 [2022-11-16 11:51:01,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:51:02,429 INFO L130 PetriNetUnfolder]: 2314/4372 cut-off events. [2022-11-16 11:51:02,430 INFO L131 PetriNetUnfolder]: For 6604/6940 co-relation queries the response was YES. [2022-11-16 11:51:02,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12298 conditions, 4372 events. 2314/4372 cut-off events. For 6604/6940 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 25984 event pairs, 137 based on Foata normal form. 12/4016 useless extension candidates. Maximal degree in co-relation 7099. Up to 1551 conditions per place. [2022-11-16 11:51:02,470 INFO L137 encePairwiseOnDemand]: 198/203 looper letters, 156 selfloop transitions, 4 changer transitions 0/273 dead transitions. [2022-11-16 11:51:02,470 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 273 transitions, 1402 flow [2022-11-16 11:51:02,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:51:02,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:51:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 887 transitions. [2022-11-16 11:51:02,475 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7282430213464697 [2022-11-16 11:51:02,475 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 887 transitions. [2022-11-16 11:51:02,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 887 transitions. [2022-11-16 11:51:02,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:51:02,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 887 transitions. [2022-11-16 11:51:02,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 147.83333333333334) internal successors, (887), 6 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:02,481 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:02,482 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:02,482 INFO L175 Difference]: Start difference. First operand has 156 places, 166 transitions, 452 flow. Second operand 6 states and 887 transitions. [2022-11-16 11:51:02,482 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 160 places, 273 transitions, 1402 flow [2022-11-16 11:51:02,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 273 transitions, 1340 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-16 11:51:02,494 INFO L231 Difference]: Finished difference. Result has 158 places, 165 transitions, 444 flow [2022-11-16 11:51:02,495 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=161, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=444, PETRI_PLACES=158, PETRI_TRANSITIONS=165} [2022-11-16 11:51:02,496 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -29 predicate places. [2022-11-16 11:51:02,496 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 165 transitions, 444 flow [2022-11-16 11:51:02,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 138.0) internal successors, (828), 6 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:02,497 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:51:02,497 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] [2022-11-16 11:51:02,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 11:51:02,497 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:51:02,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash -386779891, now seen corresponding path program 1 times [2022-11-16 11:51:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:02,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871309237] [2022-11-16 11:51:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:02,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:03,162 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 11:51:03,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:51:03,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871309237] [2022-11-16 11:51:03,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871309237] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:51:03,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:51:03,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:51:03,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337621493] [2022-11-16 11:51:03,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:51:03,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:51:03,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:51:03,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:51:03,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:51:03,173 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 203 [2022-11-16 11:51:03,174 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 165 transitions, 444 flow. Second operand has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:03,174 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:51:03,174 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 203 [2022-11-16 11:51:03,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:51:04,066 INFO L130 PetriNetUnfolder]: 2070/4146 cut-off events. [2022-11-16 11:51:04,066 INFO L131 PetriNetUnfolder]: For 4862/5168 co-relation queries the response was YES. [2022-11-16 11:51:04,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11075 conditions, 4146 events. 2070/4146 cut-off events. For 4862/5168 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 25725 event pairs, 559 based on Foata normal form. 0/3664 useless extension candidates. Maximal degree in co-relation 4378. Up to 2310 conditions per place. [2022-11-16 11:51:04,115 INFO L137 encePairwiseOnDemand]: 198/203 looper letters, 103 selfloop transitions, 4 changer transitions 0/220 dead transitions. [2022-11-16 11:51:04,115 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 220 transitions, 960 flow [2022-11-16 11:51:04,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:51:04,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:51:04,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 870 transitions. [2022-11-16 11:51:04,119 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7142857142857143 [2022-11-16 11:51:04,120 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 870 transitions. [2022-11-16 11:51:04,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 870 transitions. [2022-11-16 11:51:04,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:51:04,121 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 870 transitions. [2022-11-16 11:51:04,124 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 145.0) internal successors, (870), 6 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:04,127 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:04,130 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:04,130 INFO L175 Difference]: Start difference. First operand has 158 places, 165 transitions, 444 flow. Second operand 6 states and 870 transitions. [2022-11-16 11:51:04,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 220 transitions, 960 flow [2022-11-16 11:51:04,138 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 220 transitions, 953 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:51:04,142 INFO L231 Difference]: Finished difference. Result has 158 places, 164 transitions, 443 flow [2022-11-16 11:51:04,143 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=435, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=443, PETRI_PLACES=158, PETRI_TRANSITIONS=164} [2022-11-16 11:51:04,144 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -29 predicate places. [2022-11-16 11:51:04,144 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 164 transitions, 443 flow [2022-11-16 11:51:04,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 139.16666666666666) internal successors, (835), 6 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:04,145 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 11:51:04,145 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] [2022-11-16 11:51:04,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 11:51:04,146 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 60 more)] === [2022-11-16 11:51:04,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:51:04,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1198021067, now seen corresponding path program 1 times [2022-11-16 11:51:04,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:51:04,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935510300] [2022-11-16 11:51:04,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:51:04,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:51:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:51:04,830 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 11:51:04,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:51:04,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935510300] [2022-11-16 11:51:04,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935510300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:51:04,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:51:04,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:51:04,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532925385] [2022-11-16 11:51:04,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:51:04,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:51:04,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:51:04,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:51:04,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:51:04,834 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 203 [2022-11-16 11:51:04,836 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 164 transitions, 443 flow. Second operand has 6 states, 6 states have (on average 140.33333333333334) internal successors, (842), 6 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:04,836 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 11:51:04,836 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 203 [2022-11-16 11:51:04,836 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 11:51:05,643 INFO L130 PetriNetUnfolder]: 2058/4064 cut-off events. [2022-11-16 11:51:05,644 INFO L131 PetriNetUnfolder]: For 4610/4704 co-relation queries the response was YES. [2022-11-16 11:51:05,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10854 conditions, 4064 events. 2058/4064 cut-off events. For 4610/4704 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 24792 event pairs, 690 based on Foata normal form. 16/3691 useless extension candidates. Maximal degree in co-relation 8739. Up to 2849 conditions per place. [2022-11-16 11:51:05,666 INFO L137 encePairwiseOnDemand]: 198/203 looper letters, 0 selfloop transitions, 0 changer transitions 171/171 dead transitions. [2022-11-16 11:51:05,667 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 162 places, 171 transitions, 605 flow [2022-11-16 11:51:05,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:51:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 11:51:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 853 transitions. [2022-11-16 11:51:05,670 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7003284072249589 [2022-11-16 11:51:05,670 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 853 transitions. [2022-11-16 11:51:05,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 853 transitions. [2022-11-16 11:51:05,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:51:05,672 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 853 transitions. [2022-11-16 11:51:05,674 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 142.16666666666666) internal successors, (853), 6 states have internal predecessors, (853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:05,677 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:05,678 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 203.0) internal successors, (1421), 7 states have internal predecessors, (1421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:05,678 INFO L175 Difference]: Start difference. First operand has 158 places, 164 transitions, 443 flow. Second operand 6 states and 853 transitions. [2022-11-16 11:51:05,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 162 places, 171 transitions, 605 flow [2022-11-16 11:51:05,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 158 places, 171 transitions, 598 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-16 11:51:05,685 INFO L231 Difference]: Finished difference. Result has 158 places, 0 transitions, 0 flow [2022-11-16 11:51:05,686 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=203, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=158, PETRI_TRANSITIONS=0} [2022-11-16 11:51:05,686 INFO L288 CegarLoopForPetriNet]: 187 programPoint places, -29 predicate places. [2022-11-16 11:51:05,686 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 0 transitions, 0 flow [2022-11-16 11:51:05,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 140.33333333333334) internal successors, (842), 6 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:51:05,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (63 of 64 remaining) [2022-11-16 11:51:05,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (62 of 64 remaining) [2022-11-16 11:51:05,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (61 of 64 remaining) [2022-11-16 11:51:05,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (60 of 64 remaining) [2022-11-16 11:51:05,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (59 of 64 remaining) [2022-11-16 11:51:05,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (58 of 64 remaining) [2022-11-16 11:51:05,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (57 of 64 remaining) [2022-11-16 11:51:05,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (56 of 64 remaining) [2022-11-16 11:51:05,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (55 of 64 remaining) [2022-11-16 11:51:05,692 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (54 of 64 remaining) [2022-11-16 11:51:05,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (53 of 64 remaining) [2022-11-16 11:51:05,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (52 of 64 remaining) [2022-11-16 11:51:05,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (51 of 64 remaining) [2022-11-16 11:51:05,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (50 of 64 remaining) [2022-11-16 11:51:05,694 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (49 of 64 remaining) [2022-11-16 11:51:05,695 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (48 of 64 remaining) [2022-11-16 11:51:05,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (47 of 64 remaining) [2022-11-16 11:51:05,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (46 of 64 remaining) [2022-11-16 11:51:05,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (45 of 64 remaining) [2022-11-16 11:51:05,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (44 of 64 remaining) [2022-11-16 11:51:05,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (43 of 64 remaining) [2022-11-16 11:51:05,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (42 of 64 remaining) [2022-11-16 11:51:05,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (41 of 64 remaining) [2022-11-16 11:51:05,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (40 of 64 remaining) [2022-11-16 11:51:05,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (39 of 64 remaining) [2022-11-16 11:51:05,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (38 of 64 remaining) [2022-11-16 11:51:05,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (37 of 64 remaining) [2022-11-16 11:51:05,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (36 of 64 remaining) [2022-11-16 11:51:05,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (35 of 64 remaining) [2022-11-16 11:51:05,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (34 of 64 remaining) [2022-11-16 11:51:05,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (33 of 64 remaining) [2022-11-16 11:51:05,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (32 of 64 remaining) [2022-11-16 11:51:05,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (31 of 64 remaining) [2022-11-16 11:51:05,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (30 of 64 remaining) [2022-11-16 11:51:05,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (29 of 64 remaining) [2022-11-16 11:51:05,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (28 of 64 remaining) [2022-11-16 11:51:05,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (27 of 64 remaining) [2022-11-16 11:51:05,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (26 of 64 remaining) [2022-11-16 11:51:05,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (25 of 64 remaining) [2022-11-16 11:51:05,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 64 remaining) [2022-11-16 11:51:05,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 64 remaining) [2022-11-16 11:51:05,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 64 remaining) [2022-11-16 11:51:05,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 64 remaining) [2022-11-16 11:51:05,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 64 remaining) [2022-11-16 11:51:05,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (19 of 64 remaining) [2022-11-16 11:51:05,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (18 of 64 remaining) [2022-11-16 11:51:05,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (17 of 64 remaining) [2022-11-16 11:51:05,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (16 of 64 remaining) [2022-11-16 11:51:05,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (15 of 64 remaining) [2022-11-16 11:51:05,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (14 of 64 remaining) [2022-11-16 11:51:05,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (13 of 64 remaining) [2022-11-16 11:51:05,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (12 of 64 remaining) [2022-11-16 11:51:05,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (11 of 64 remaining) [2022-11-16 11:51:05,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (10 of 64 remaining) [2022-11-16 11:51:05,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (9 of 64 remaining) [2022-11-16 11:51:05,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (8 of 64 remaining) [2022-11-16 11:51:05,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (7 of 64 remaining) [2022-11-16 11:51:05,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 64 remaining) [2022-11-16 11:51:05,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (5 of 64 remaining) [2022-11-16 11:51:05,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (4 of 64 remaining) [2022-11-16 11:51:05,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (3 of 64 remaining) [2022-11-16 11:51:05,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (2 of 64 remaining) [2022-11-16 11:51:05,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (1 of 64 remaining) [2022-11-16 11:51:05,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (0 of 64 remaining) [2022-11-16 11:51:05,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 11:51:05,712 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:51:05,719 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 11:51:05,719 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:51:05,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:51:05 BasicIcfg [2022-11-16 11:51:05,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:51:05,731 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:51:05,731 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:51:05,732 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:51:05,732 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:50:57" (3/4) ... [2022-11-16 11:51:05,735 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:51:05,741 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-16 11:51:05,741 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-16 11:51:05,741 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-16 11:51:05,750 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-16 11:51:05,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-16 11:51:05,751 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:51:05,752 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:51:05,807 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:51:05,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:51:05,808 INFO L158 Benchmark]: Toolchain (without parser) took 9780.02ms. Allocated memory was 109.1MB in the beginning and 335.5MB in the end (delta: 226.5MB). Free memory was 74.9MB in the beginning and 192.2MB in the end (delta: -117.3MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2022-11-16 11:51:05,809 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 79.7MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:51:05,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.60ms. Allocated memory is still 109.1MB. Free memory was 74.7MB in the beginning and 83.4MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:51:05,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.99ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:51:05,810 INFO L158 Benchmark]: Boogie Preprocessor took 62.43ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:51:05,810 INFO L158 Benchmark]: RCFGBuilder took 1222.89ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 79.2MB in the beginning and 103.1MB in the end (delta: -23.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-11-16 11:51:05,811 INFO L158 Benchmark]: TraceAbstraction took 7882.56ms. Allocated memory was 132.1MB in the beginning and 335.5MB in the end (delta: 203.4MB). Free memory was 102.8MB in the beginning and 196.4MB in the end (delta: -93.6MB). Peak memory consumption was 235.7MB. Max. memory is 16.1GB. [2022-11-16 11:51:05,811 INFO L158 Benchmark]: Witness Printer took 76.10ms. Allocated memory is still 335.5MB. Free memory was 196.4MB in the beginning and 192.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:51:05,817 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 was 79.7MB in the beginning and 79.7MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.60ms. Allocated memory is still 109.1MB. Free memory was 74.7MB in the beginning and 83.4MB in the end (delta: -8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.99ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.43ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1222.89ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 79.2MB in the beginning and 103.1MB in the end (delta: -23.9MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 7882.56ms. Allocated memory was 132.1MB in the beginning and 335.5MB in the end (delta: 203.4MB). Free memory was 102.8MB in the beginning and 196.4MB in the end (delta: -93.6MB). Peak memory consumption was 235.7MB. Max. memory is 16.1GB. * Witness Printer took 76.10ms. Allocated memory is still 335.5MB. Free memory was 196.4MB in the beginning and 192.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 43]: 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: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: 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: 95]: 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: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 111]: 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: 111]: 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: 111]: 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: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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, 247 locations, 64 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.7s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 577 IncrementalHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 78 mSDtfsCounter, 577 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=452occurred in iteration=8, InterpolantAutomatonStates: 42, 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, 2.3s InterpolantComputationTime, 652 NumberOfCodeBlocks, 652 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 641 ConstructedInterpolants, 0 QuantifiedInterpolants, 900 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 37 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 11:51:05,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e2b9a20-fa50-46bb-8b66-df5894b526c8/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