./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a --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 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 --- 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-b5237d8 [2022-11-21 09:12:48,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:12:48,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:12:48,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:12:48,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:12:48,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:12:48,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:12:48,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:12:48,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:12:48,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:12:48,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:12:48,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:12:48,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:12:48,739 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:12:48,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:12:48,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:12:48,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:12:48,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:12:48,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:12:48,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:12:48,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:12:48,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:12:48,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:12:48,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:12:48,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:12:48,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:12:48,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:12:48,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:12:48,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:12:48,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:12:48,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:12:48,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:12:48,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:12:48,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:12:48,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:12:48,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:12:48,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:12:48,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:12:48,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:12:48,788 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:12:48,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:12:48,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 09:12:48,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:12:48,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:12:48,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:12:48,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:12:48,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:12:48,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:12:48,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:12:48,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:12:48,848 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:12:48,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:12:48,848 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:12:48,848 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:12:48,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:12:48,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:12:48,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:12:48,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:12:48,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:12:48,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:12:48,850 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 09:12:48,850 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:12:48,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:12:48,850 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:12:48,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:12:48,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:12:48,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:12:48,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:12:48,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:12:48,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:12:48,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:12:48,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:12:48,852 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:12:48,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:12:48,852 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:12:48,853 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:12:48,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:12:48,853 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_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a95f2ef87fd1cf5c8213f05c50508f1a1765fc5482d62813e9c15181aaf2ab6 [2022-11-21 09:12:49,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:12:49,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:12:49,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:12:49,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:12:49,186 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:12:49,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2022-11-21 09:12:52,228 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:12:52,428 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:12:52,429 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2022-11-21 09:12:52,436 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/data/ac2fdcae5/cc32012c9e9a4a138249698397f25d83/FLAGf10b6f402 [2022-11-21 09:12:52,449 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/data/ac2fdcae5/cc32012c9e9a4a138249698397f25d83 [2022-11-21 09:12:52,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:12:52,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:12:52,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:12:52,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:12:52,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:12:52,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173257fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52, skipping insertion in model container [2022-11-21 09:12:52,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:12:52,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:12:52,675 WARN L237 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_65734b78-1ec3-451f-895f-bf3d796222fe/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2022-11-21 09:12:52,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:12:52,692 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:12:52,721 WARN L237 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_65734b78-1ec3-451f-895f-bf3d796222fe/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2022-11-21 09:12:52,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:12:52,741 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:12:52,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52 WrapperNode [2022-11-21 09:12:52,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:12:52,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:12:52,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:12:52,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:12:52,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,800 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 297 [2022-11-21 09:12:52,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:12:52,801 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:12:52,801 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:12:52,801 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:12:52,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,839 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,844 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:12:52,845 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:12:52,845 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:12:52,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:12:52,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (1/1) ... [2022-11-21 09:12:52,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:12:52,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:12:52,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:12:52,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:12:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:12:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:12:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:12:52,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:12:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-21 09:12:52,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-21 09:12:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-21 09:12:52,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-21 09:12:52,930 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-21 09:12:52,930 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-21 09:12:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:12:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 09:12:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 09:12:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 09:12:52,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:12:52,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:12:52,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:12:52,933 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 09:12:53,053 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:12:53,055 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:12:53,722 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:12:54,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:12:54,056 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-21 09:12:54,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:54 BoogieIcfgContainer [2022-11-21 09:12:54,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:12:54,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:12:54,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:12:54,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:12:54,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:12:52" (1/3) ... [2022-11-21 09:12:54,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1062b072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:12:54, skipping insertion in model container [2022-11-21 09:12:54,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:12:52" (2/3) ... [2022-11-21 09:12:54,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1062b072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:12:54, skipping insertion in model container [2022-11-21 09:12:54,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:54" (3/3) ... [2022-11-21 09:12:54,072 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2022-11-21 09:12:54,081 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 09:12:54,092 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:12:54,092 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2022-11-21 09:12:54,092 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 09:12:54,194 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-21 09:12:54,234 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 240 places, 243 transitions, 510 flow [2022-11-21 09:12:54,317 INFO L130 PetriNetUnfolder]: 13/240 cut-off events. [2022-11-21 09:12:54,317 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-21 09:12:54,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 253 conditions, 240 events. 13/240 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 246 event pairs, 0 based on Foata normal form. 0/198 useless extension candidates. Maximal degree in co-relation 168. Up to 2 conditions per place. [2022-11-21 09:12:54,325 INFO L82 GeneralOperation]: Start removeDead. Operand has 240 places, 243 transitions, 510 flow [2022-11-21 09:12:54,331 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 218 places, 220 transitions, 458 flow [2022-11-21 09:12:54,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:12:54,348 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;@2ad069c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:12:54,348 INFO L358 AbstractCegarLoop]: Starting to check reachability of 48 error locations. [2022-11-21 09:12:54,355 INFO L130 PetriNetUnfolder]: 0/24 cut-off events. [2022-11-21 09:12:54,355 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:12:54,355 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:54,356 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:54,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:54,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:54,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1365112581, now seen corresponding path program 1 times [2022-11-21 09:12:54,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:54,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518128412] [2022-11-21 09:12:54,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:54,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:54,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:54,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:54,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518128412] [2022-11-21 09:12:54,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518128412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:54,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:54,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:54,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588827812] [2022-11-21 09:12:54,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:54,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:54,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:54,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:54,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:54,606 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 243 [2022-11-21 09:12:54,610 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 220 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:54,610 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:54,610 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 243 [2022-11-21 09:12:54,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:55,038 INFO L130 PetriNetUnfolder]: 372/1033 cut-off events. [2022-11-21 09:12:55,039 INFO L131 PetriNetUnfolder]: For 272/304 co-relation queries the response was YES. [2022-11-21 09:12:55,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1687 conditions, 1033 events. 372/1033 cut-off events. For 272/304 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 5866 event pairs, 239 based on Foata normal form. 108/920 useless extension candidates. Maximal degree in co-relation 1476. Up to 525 conditions per place. [2022-11-21 09:12:55,054 INFO L137 encePairwiseOnDemand]: 221/243 looper letters, 27 selfloop transitions, 2 changer transitions 3/200 dead transitions. [2022-11-21 09:12:55,054 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 200 transitions, 476 flow [2022-11-21 09:12:55,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 625 transitions. [2022-11-21 09:12:55,070 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8573388203017832 [2022-11-21 09:12:55,071 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 625 transitions. [2022-11-21 09:12:55,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 625 transitions. [2022-11-21 09:12:55,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:55,076 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 625 transitions. [2022-11-21 09:12:55,081 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,089 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,091 INFO L175 Difference]: Start difference. First operand has 218 places, 220 transitions, 458 flow. Second operand 3 states and 625 transitions. [2022-11-21 09:12:55,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 200 transitions, 476 flow [2022-11-21 09:12:55,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 200 transitions, 464 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-11-21 09:12:55,100 INFO L231 Difference]: Finished difference. Result has 201 places, 197 transitions, 404 flow [2022-11-21 09:12:55,102 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=406, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=200, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=404, PETRI_PLACES=201, PETRI_TRANSITIONS=197} [2022-11-21 09:12:55,108 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -17 predicate places. [2022-11-21 09:12:55,108 INFO L495 AbstractCegarLoop]: Abstraction has has 201 places, 197 transitions, 404 flow [2022-11-21 09:12:55,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,109 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:55,109 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:55,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:12:55,110 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:55,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:55,112 INFO L85 PathProgramCache]: Analyzing trace with hash 218418343, now seen corresponding path program 1 times [2022-11-21 09:12:55,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:55,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312317004] [2022-11-21 09:12:55,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:55,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:55,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:55,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:55,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312317004] [2022-11-21 09:12:55,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312317004] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:55,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:55,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:55,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155080664] [2022-11-21 09:12:55,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:55,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:55,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:55,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:55,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:55,205 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 243 [2022-11-21 09:12:55,206 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 197 transitions, 404 flow. Second operand has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,206 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:55,206 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 243 [2022-11-21 09:12:55,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:55,490 INFO L130 PetriNetUnfolder]: 309/1020 cut-off events. [2022-11-21 09:12:55,491 INFO L131 PetriNetUnfolder]: For 31/67 co-relation queries the response was YES. [2022-11-21 09:12:55,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1522 conditions, 1020 events. 309/1020 cut-off events. For 31/67 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 5998 event pairs, 209 based on Foata normal form. 0/837 useless extension candidates. Maximal degree in co-relation 1489. Up to 471 conditions per place. [2022-11-21 09:12:55,501 INFO L137 encePairwiseOnDemand]: 240/243 looper letters, 27 selfloop transitions, 2 changer transitions 0/196 dead transitions. [2022-11-21 09:12:55,502 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 196 transitions, 460 flow [2022-11-21 09:12:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:55,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2022-11-21 09:12:55,505 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.831275720164609 [2022-11-21 09:12:55,505 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2022-11-21 09:12:55,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2022-11-21 09:12:55,506 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:55,506 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2022-11-21 09:12:55,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 202.0) internal successors, (606), 3 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,510 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,511 INFO L175 Difference]: Start difference. First operand has 201 places, 197 transitions, 404 flow. Second operand 3 states and 606 transitions. [2022-11-21 09:12:55,511 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 196 transitions, 460 flow [2022-11-21 09:12:55,515 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 196 transitions, 456 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:55,521 INFO L231 Difference]: Finished difference. Result has 197 places, 196 transitions, 402 flow [2022-11-21 09:12:55,522 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=195, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=194, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=197, PETRI_TRANSITIONS=196} [2022-11-21 09:12:55,524 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -21 predicate places. [2022-11-21 09:12:55,524 INFO L495 AbstractCegarLoop]: Abstraction has has 197 places, 196 transitions, 402 flow [2022-11-21 09:12:55,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.33333333333334) internal successors, (580), 3 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,525 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:55,525 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:55,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:12:55,525 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:55,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:55,527 INFO L85 PathProgramCache]: Analyzing trace with hash 807577924, now seen corresponding path program 1 times [2022-11-21 09:12:55,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:55,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012339992] [2022-11-21 09:12:55,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:55,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:55,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:55,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012339992] [2022-11-21 09:12:55,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012339992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:55,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:55,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:55,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558034054] [2022-11-21 09:12:55,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:55,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:55,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:55,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:55,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:55,648 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 243 [2022-11-21 09:12:55,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 196 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:55,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 243 [2022-11-21 09:12:55,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:55,875 INFO L130 PetriNetUnfolder]: 228/845 cut-off events. [2022-11-21 09:12:55,875 INFO L131 PetriNetUnfolder]: For 27/52 co-relation queries the response was YES. [2022-11-21 09:12:55,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1216 conditions, 845 events. 228/845 cut-off events. For 27/52 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 4697 event pairs, 148 based on Foata normal form. 0/735 useless extension candidates. Maximal degree in co-relation 1175. Up to 343 conditions per place. [2022-11-21 09:12:55,883 INFO L137 encePairwiseOnDemand]: 238/243 looper letters, 21 selfloop transitions, 1 changer transitions 0/192 dead transitions. [2022-11-21 09:12:55,884 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 192 transitions, 438 flow [2022-11-21 09:12:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2022-11-21 09:12:55,888 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8381344307270233 [2022-11-21 09:12:55,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2022-11-21 09:12:55,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2022-11-21 09:12:55,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:55,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2022-11-21 09:12:55,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,892 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,892 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,893 INFO L175 Difference]: Start difference. First operand has 197 places, 196 transitions, 402 flow. Second operand 3 states and 611 transitions. [2022-11-21 09:12:55,893 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 192 transitions, 438 flow [2022-11-21 09:12:55,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 192 transitions, 434 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:55,897 INFO L231 Difference]: Finished difference. Result has 193 places, 192 transitions, 392 flow [2022-11-21 09:12:55,897 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=390, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=392, PETRI_PLACES=193, PETRI_TRANSITIONS=192} [2022-11-21 09:12:55,899 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -25 predicate places. [2022-11-21 09:12:55,899 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 192 transitions, 392 flow [2022-11-21 09:12:55,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:55,900 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:55,900 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:55,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:12:55,902 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:55,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:55,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1269231631, now seen corresponding path program 1 times [2022-11-21 09:12:55,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:55,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538877011] [2022-11-21 09:12:55,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:55,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:56,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:56,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538877011] [2022-11-21 09:12:56,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538877011] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:56,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:56,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:56,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241130607] [2022-11-21 09:12:56,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:56,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:56,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:56,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:56,047 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 204 out of 243 [2022-11-21 09:12:56,048 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 192 transitions, 392 flow. Second operand has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:56,048 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:56,048 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 204 of 243 [2022-11-21 09:12:56,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:56,189 INFO L130 PetriNetUnfolder]: 112/572 cut-off events. [2022-11-21 09:12:56,190 INFO L131 PetriNetUnfolder]: For 26/31 co-relation queries the response was YES. [2022-11-21 09:12:56,192 INFO L83 FinitePrefix]: Finished finitePrefix Result has 753 conditions, 572 events. 112/572 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2606 event pairs, 56 based on Foata normal form. 0/498 useless extension candidates. Maximal degree in co-relation 713. Up to 163 conditions per place. [2022-11-21 09:12:56,195 INFO L137 encePairwiseOnDemand]: 240/243 looper letters, 15 selfloop transitions, 2 changer transitions 0/191 dead transitions. [2022-11-21 09:12:56,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 191 transitions, 424 flow [2022-11-21 09:12:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2022-11-21 09:12:56,198 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8641975308641975 [2022-11-21 09:12:56,198 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 630 transitions. [2022-11-21 09:12:56,198 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 630 transitions. [2022-11-21 09:12:56,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:56,199 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 630 transitions. [2022-11-21 09:12:56,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 210.0) internal successors, (630), 3 states have internal predecessors, (630), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:56,202 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:56,203 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:56,203 INFO L175 Difference]: Start difference. First operand has 193 places, 192 transitions, 392 flow. Second operand 3 states and 630 transitions. [2022-11-21 09:12:56,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 191 transitions, 424 flow [2022-11-21 09:12:56,205 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 191 transitions, 423 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:12:56,208 INFO L231 Difference]: Finished difference. Result has 193 places, 191 transitions, 393 flow [2022-11-21 09:12:56,208 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=389, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=393, PETRI_PLACES=193, PETRI_TRANSITIONS=191} [2022-11-21 09:12:56,209 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -25 predicate places. [2022-11-21 09:12:56,209 INFO L495 AbstractCegarLoop]: Abstraction has has 193 places, 191 transitions, 393 flow [2022-11-21 09:12:56,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 205.33333333333334) internal successors, (616), 3 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:56,210 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:56,210 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:56,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:12:56,211 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:56,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:56,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1176289578, now seen corresponding path program 1 times [2022-11-21 09:12:56,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:56,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573526183] [2022-11-21 09:12:56,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:56,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:56,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:56,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573526183] [2022-11-21 09:12:56,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573526183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:56,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:56,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:12:56,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452425063] [2022-11-21 09:12:56,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:56,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:12:56,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:56,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:12:56,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:12:56,753 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 243 [2022-11-21 09:12:56,754 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 191 transitions, 393 flow. Second operand has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:56,755 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:56,755 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 243 [2022-11-21 09:12:56,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:57,320 INFO L130 PetriNetUnfolder]: 724/1898 cut-off events. [2022-11-21 09:12:57,320 INFO L131 PetriNetUnfolder]: For 7/17 co-relation queries the response was YES. [2022-11-21 09:12:57,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2938 conditions, 1898 events. 724/1898 cut-off events. For 7/17 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 12962 event pairs, 464 based on Foata normal form. 0/1710 useless extension candidates. Maximal degree in co-relation 2899. Up to 1017 conditions per place. [2022-11-21 09:12:57,339 INFO L137 encePairwiseOnDemand]: 237/243 looper letters, 41 selfloop transitions, 5 changer transitions 0/190 dead transitions. [2022-11-21 09:12:57,340 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 190 transitions, 483 flow [2022-11-21 09:12:57,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:12:57,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:12:57,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1097 transitions. [2022-11-21 09:12:57,343 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.752400548696845 [2022-11-21 09:12:57,343 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1097 transitions. [2022-11-21 09:12:57,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1097 transitions. [2022-11-21 09:12:57,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:57,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1097 transitions. [2022-11-21 09:12:57,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.83333333333334) internal successors, (1097), 6 states have internal predecessors, (1097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,351 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,352 INFO L175 Difference]: Start difference. First operand has 193 places, 191 transitions, 393 flow. Second operand 6 states and 1097 transitions. [2022-11-21 09:12:57,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 190 transitions, 483 flow [2022-11-21 09:12:57,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 190 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:12:57,357 INFO L231 Difference]: Finished difference. Result has 195 places, 190 transitions, 397 flow [2022-11-21 09:12:57,357 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=190, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=190, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=397, PETRI_PLACES=195, PETRI_TRANSITIONS=190} [2022-11-21 09:12:57,360 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -23 predicate places. [2022-11-21 09:12:57,360 INFO L495 AbstractCegarLoop]: Abstraction has has 195 places, 190 transitions, 397 flow [2022-11-21 09:12:57,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 176.83333333333334) internal successors, (1061), 6 states have internal predecessors, (1061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,362 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:57,362 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:57,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:12:57,363 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:57,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:57,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1043495405, now seen corresponding path program 1 times [2022-11-21 09:12:57,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:57,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991047387] [2022-11-21 09:12:57,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:57,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:57,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:57,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:57,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991047387] [2022-11-21 09:12:57,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991047387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:57,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:57,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:12:57,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108662177] [2022-11-21 09:12:57,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:57,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:12:57,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:57,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:12:57,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:12:57,438 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 195 out of 243 [2022-11-21 09:12:57,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 190 transitions, 397 flow. Second operand has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,439 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:57,439 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 195 of 243 [2022-11-21 09:12:57,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:57,621 INFO L130 PetriNetUnfolder]: 266/804 cut-off events. [2022-11-21 09:12:57,621 INFO L131 PetriNetUnfolder]: For 56/78 co-relation queries the response was YES. [2022-11-21 09:12:57,624 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 804 events. 266/804 cut-off events. For 56/78 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4165 event pairs, 164 based on Foata normal form. 0/709 useless extension candidates. Maximal degree in co-relation 1185. Up to 369 conditions per place. [2022-11-21 09:12:57,629 INFO L137 encePairwiseOnDemand]: 238/243 looper letters, 21 selfloop transitions, 1 changer transitions 0/186 dead transitions. [2022-11-21 09:12:57,629 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 186 transitions, 433 flow [2022-11-21 09:12:57,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:12:57,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:12:57,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 611 transitions. [2022-11-21 09:12:57,631 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8381344307270233 [2022-11-21 09:12:57,631 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 611 transitions. [2022-11-21 09:12:57,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 611 transitions. [2022-11-21 09:12:57,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:57,632 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 611 transitions. [2022-11-21 09:12:57,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,636 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,637 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,637 INFO L175 Difference]: Start difference. First operand has 195 places, 190 transitions, 397 flow. Second operand 3 states and 611 transitions. [2022-11-21 09:12:57,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 186 transitions, 433 flow [2022-11-21 09:12:57,639 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 186 transitions, 423 flow, removed 0 selfloop flow, removed 5 redundant places. [2022-11-21 09:12:57,641 INFO L231 Difference]: Finished difference. Result has 188 places, 186 transitions, 381 flow [2022-11-21 09:12:57,642 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=379, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=186, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=188, PETRI_TRANSITIONS=186} [2022-11-21 09:12:57,642 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -30 predicate places. [2022-11-21 09:12:57,643 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 186 transitions, 381 flow [2022-11-21 09:12:57,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 196.33333333333334) internal successors, (589), 3 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:57,643 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:57,644 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:57,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:12:57,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:57,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:57,645 INFO L85 PathProgramCache]: Analyzing trace with hash 1510943456, now seen corresponding path program 1 times [2022-11-21 09:12:57,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:57,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926389519] [2022-11-21 09:12:57,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:57,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:58,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:58,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926389519] [2022-11-21 09:12:58,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926389519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:58,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:58,076 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:12:58,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135599409] [2022-11-21 09:12:58,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:58,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:12:58,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:58,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:12:58,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:12:58,086 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 243 [2022-11-21 09:12:58,087 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 186 transitions, 381 flow. Second operand has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:58,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:58,088 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 243 [2022-11-21 09:12:58,088 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:58,658 INFO L130 PetriNetUnfolder]: 724/1720 cut-off events. [2022-11-21 09:12:58,658 INFO L131 PetriNetUnfolder]: For 1/11 co-relation queries the response was YES. [2022-11-21 09:12:58,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2751 conditions, 1720 events. 724/1720 cut-off events. For 1/11 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 10675 event pairs, 96 based on Foata normal form. 4/1609 useless extension candidates. Maximal degree in co-relation 2710. Up to 461 conditions per place. [2022-11-21 09:12:58,672 INFO L137 encePairwiseOnDemand]: 238/243 looper letters, 58 selfloop transitions, 4 changer transitions 0/209 dead transitions. [2022-11-21 09:12:58,672 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 209 transitions, 551 flow [2022-11-21 09:12:58,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:12:58,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:12:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1143 transitions. [2022-11-21 09:12:58,675 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7839506172839507 [2022-11-21 09:12:58,675 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1143 transitions. [2022-11-21 09:12:58,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1143 transitions. [2022-11-21 09:12:58,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:58,676 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1143 transitions. [2022-11-21 09:12:58,679 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 190.5) internal successors, (1143), 6 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:58,682 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:58,682 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:58,682 INFO L175 Difference]: Start difference. First operand has 188 places, 186 transitions, 381 flow. Second operand 6 states and 1143 transitions. [2022-11-21 09:12:58,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 209 transitions, 551 flow [2022-11-21 09:12:58,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 209 transitions, 550 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:12:58,687 INFO L231 Difference]: Finished difference. Result has 191 places, 185 transitions, 386 flow [2022-11-21 09:12:58,687 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=191, PETRI_TRANSITIONS=185} [2022-11-21 09:12:58,688 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -27 predicate places. [2022-11-21 09:12:58,688 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 185 transitions, 386 flow [2022-11-21 09:12:58,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.0) internal successors, (1092), 6 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:58,689 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:58,689 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:58,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:12:58,689 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:58,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:58,690 INFO L85 PathProgramCache]: Analyzing trace with hash 584529922, now seen corresponding path program 1 times [2022-11-21 09:12:58,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:58,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141986068] [2022-11-21 09:12:58,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:58,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:12:59,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:12:59,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:12:59,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141986068] [2022-11-21 09:12:59,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141986068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:12:59,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:12:59,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:12:59,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062766615] [2022-11-21 09:12:59,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:12:59,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:12:59,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:12:59,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:12:59,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:12:59,189 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 243 [2022-11-21 09:12:59,190 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 185 transitions, 386 flow. Second operand has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:59,190 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:12:59,190 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 243 [2022-11-21 09:12:59,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:12:59,733 INFO L130 PetriNetUnfolder]: 646/1674 cut-off events. [2022-11-21 09:12:59,733 INFO L131 PetriNetUnfolder]: For 66/66 co-relation queries the response was YES. [2022-11-21 09:12:59,738 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2706 conditions, 1674 events. 646/1674 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 10642 event pairs, 338 based on Foata normal form. 0/1557 useless extension candidates. Maximal degree in co-relation 2665. Up to 725 conditions per place. [2022-11-21 09:12:59,746 INFO L137 encePairwiseOnDemand]: 238/243 looper letters, 49 selfloop transitions, 4 changer transitions 0/200 dead transitions. [2022-11-21 09:12:59,747 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 200 transitions, 522 flow [2022-11-21 09:12:59,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:12:59,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:12:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1134 transitions. [2022-11-21 09:12:59,750 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2022-11-21 09:12:59,750 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1134 transitions. [2022-11-21 09:12:59,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1134 transitions. [2022-11-21 09:12:59,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:12:59,751 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1134 transitions. [2022-11-21 09:12:59,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 189.0) internal successors, (1134), 6 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:59,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:59,757 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:59,757 INFO L175 Difference]: Start difference. First operand has 191 places, 185 transitions, 386 flow. Second operand 6 states and 1134 transitions. [2022-11-21 09:12:59,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 200 transitions, 522 flow [2022-11-21 09:12:59,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 200 transitions, 515 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:12:59,762 INFO L231 Difference]: Finished difference. Result has 191 places, 184 transitions, 385 flow [2022-11-21 09:12:59,762 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=191, PETRI_TRANSITIONS=184} [2022-11-21 09:12:59,763 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -27 predicate places. [2022-11-21 09:12:59,763 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 184 transitions, 385 flow [2022-11-21 09:12:59,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 183.0) internal successors, (1098), 6 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:12:59,764 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:12:59,764 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:12:59,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:12:59,764 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:12:59,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:12:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash 947799741, now seen corresponding path program 1 times [2022-11-21 09:12:59,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:12:59,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419761226] [2022-11-21 09:12:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:12:59,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:12:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:00,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:00,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419761226] [2022-11-21 09:13:00,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419761226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:00,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:00,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-21 09:13:00,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072967161] [2022-11-21 09:13:00,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:00,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:13:00,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:00,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:13:00,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:13:00,235 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 243 [2022-11-21 09:13:00,237 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 184 transitions, 385 flow. Second operand has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,237 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:13:00,237 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 243 [2022-11-21 09:13:00,237 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:13:00,730 INFO L130 PetriNetUnfolder]: 643/1658 cut-off events. [2022-11-21 09:13:00,730 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-11-21 09:13:00,736 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2635 conditions, 1658 events. 643/1658 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 10257 event pairs, 400 based on Foata normal form. 0/1553 useless extension candidates. Maximal degree in co-relation 2594. Up to 865 conditions per place. [2022-11-21 09:13:00,743 INFO L137 encePairwiseOnDemand]: 238/243 looper letters, 40 selfloop transitions, 4 changer transitions 0/191 dead transitions. [2022-11-21 09:13:00,743 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 195 places, 191 transitions, 487 flow [2022-11-21 09:13:00,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:13:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:13:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1125 transitions. [2022-11-21 09:13:00,747 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7716049382716049 [2022-11-21 09:13:00,747 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1125 transitions. [2022-11-21 09:13:00,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1125 transitions. [2022-11-21 09:13:00,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:00,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1125 transitions. [2022-11-21 09:13:00,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 187.5) internal successors, (1125), 6 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,754 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,755 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 243.0) internal successors, (1701), 7 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,755 INFO L175 Difference]: Start difference. First operand has 191 places, 184 transitions, 385 flow. Second operand 6 states and 1125 transitions. [2022-11-21 09:13:00,755 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 195 places, 191 transitions, 487 flow [2022-11-21 09:13:00,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 191 transitions, 480 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:13:00,760 INFO L231 Difference]: Finished difference. Result has 191 places, 183 transitions, 384 flow [2022-11-21 09:13:00,760 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=384, PETRI_PLACES=191, PETRI_TRANSITIONS=183} [2022-11-21 09:13:00,761 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -27 predicate places. [2022-11-21 09:13:00,761 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 183 transitions, 384 flow [2022-11-21 09:13:00,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.0) internal successors, (1104), 6 states have internal predecessors, (1104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,762 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:13:00,762 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:00,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:13:00,763 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:13:00,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:00,763 INFO L85 PathProgramCache]: Analyzing trace with hash 642615022, now seen corresponding path program 1 times [2022-11-21 09:13:00,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:00,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447455971] [2022-11-21 09:13:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:00,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:00,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:00,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447455971] [2022-11-21 09:13:00,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447455971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:00,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:00,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:13:00,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226877976] [2022-11-21 09:13:00,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:00,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:13:00,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:00,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:00,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:00,836 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 243 [2022-11-21 09:13:00,837 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 183 transitions, 384 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,837 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:13:00,837 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 243 [2022-11-21 09:13:00,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:13:00,944 INFO L130 PetriNetUnfolder]: 110/498 cut-off events. [2022-11-21 09:13:00,944 INFO L131 PetriNetUnfolder]: For 26/31 co-relation queries the response was YES. [2022-11-21 09:13:00,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 681 conditions, 498 events. 110/498 cut-off events. For 26/31 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1984 event pairs, 38 based on Foata normal form. 1/452 useless extension candidates. Maximal degree in co-relation 658. Up to 110 conditions per place. [2022-11-21 09:13:00,949 INFO L137 encePairwiseOnDemand]: 239/243 looper letters, 17 selfloop transitions, 3 changer transitions 0/188 dead transitions. [2022-11-21 09:13:00,949 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 436 flow [2022-11-21 09:13:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:00,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:13:00,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 642 transitions. [2022-11-21 09:13:00,951 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8806584362139918 [2022-11-21 09:13:00,952 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 642 transitions. [2022-11-21 09:13:00,952 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 642 transitions. [2022-11-21 09:13:00,952 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:00,953 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 642 transitions. [2022-11-21 09:13:00,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.0) internal successors, (642), 3 states have internal predecessors, (642), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,957 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,957 INFO L175 Difference]: Start difference. First operand has 191 places, 183 transitions, 384 flow. Second operand 3 states and 642 transitions. [2022-11-21 09:13:00,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 436 flow [2022-11-21 09:13:00,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 188 places, 188 transitions, 429 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-11-21 09:13:00,961 INFO L231 Difference]: Finished difference. Result has 188 places, 182 transitions, 381 flow [2022-11-21 09:13:00,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=381, PETRI_PLACES=188, PETRI_TRANSITIONS=182} [2022-11-21 09:13:00,962 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -30 predicate places. [2022-11-21 09:13:00,963 INFO L495 AbstractCegarLoop]: Abstraction has has 188 places, 182 transitions, 381 flow [2022-11-21 09:13:00,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:00,964 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:13:00,964 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:00,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:13:00,964 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 44 more)] === [2022-11-21 09:13:00,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:13:00,965 INFO L85 PathProgramCache]: Analyzing trace with hash 240207632, now seen corresponding path program 1 times [2022-11-21 09:13:00,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:13:00,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662233697] [2022-11-21 09:13:00,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:13:00,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:13:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:13:01,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:13:01,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:13:01,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662233697] [2022-11-21 09:13:01,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662233697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:13:01,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:13:01,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:13:01,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574397178] [2022-11-21 09:13:01,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:13:01,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:13:01,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:13:01,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:13:01,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:13:01,042 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 243 [2022-11-21 09:13:01,043 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 182 transitions, 381 flow. Second operand has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:01,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:13:01,044 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 243 [2022-11-21 09:13:01,044 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:13:01,180 INFO L130 PetriNetUnfolder]: 124/588 cut-off events. [2022-11-21 09:13:01,180 INFO L131 PetriNetUnfolder]: For 66/71 co-relation queries the response was YES. [2022-11-21 09:13:01,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 588 events. 124/588 cut-off events. For 66/71 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2536 event pairs, 19 based on Foata normal form. 1/547 useless extension candidates. Maximal degree in co-relation 804. Up to 93 conditions per place. [2022-11-21 09:13:01,183 INFO L137 encePairwiseOnDemand]: 237/243 looper letters, 0 selfloop transitions, 0 changer transitions 190/190 dead transitions. [2022-11-21 09:13:01,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 190 transitions, 448 flow [2022-11-21 09:13:01,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:13:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:13:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 644 transitions. [2022-11-21 09:13:01,186 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8834019204389575 [2022-11-21 09:13:01,187 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 644 transitions. [2022-11-21 09:13:01,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 644 transitions. [2022-11-21 09:13:01,187 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:13:01,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 644 transitions. [2022-11-21 09:13:01,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 214.66666666666666) internal successors, (644), 3 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:01,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:01,220 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 243.0) internal successors, (972), 4 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:01,220 INFO L175 Difference]: Start difference. First operand has 188 places, 182 transitions, 381 flow. Second operand 3 states and 644 transitions. [2022-11-21 09:13:01,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 190 transitions, 448 flow [2022-11-21 09:13:01,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 190 transitions, 438 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:13:01,224 INFO L231 Difference]: Finished difference. Result has 187 places, 0 transitions, 0 flow [2022-11-21 09:13:01,225 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=243, PETRI_DIFFERENCE_MINUEND_FLOW=373, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=187, PETRI_TRANSITIONS=0} [2022-11-21 09:13:01,225 INFO L288 CegarLoopForPetriNet]: 218 programPoint places, -31 predicate places. [2022-11-21 09:13:01,225 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 0 transitions, 0 flow [2022-11-21 09:13:01,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.66666666666666) internal successors, (629), 3 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:13:01,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 48 remaining) [2022-11-21 09:13:01,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 48 remaining) [2022-11-21 09:13:01,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 48 remaining) [2022-11-21 09:13:01,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 48 remaining) [2022-11-21 09:13:01,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 48 remaining) [2022-11-21 09:13:01,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 48 remaining) [2022-11-21 09:13:01,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 48 remaining) [2022-11-21 09:13:01,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 48 remaining) [2022-11-21 09:13:01,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 48 remaining) [2022-11-21 09:13:01,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 48 remaining) [2022-11-21 09:13:01,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (37 of 48 remaining) [2022-11-21 09:13:01,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (36 of 48 remaining) [2022-11-21 09:13:01,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (35 of 48 remaining) [2022-11-21 09:13:01,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (34 of 48 remaining) [2022-11-21 09:13:01,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (33 of 48 remaining) [2022-11-21 09:13:01,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (32 of 48 remaining) [2022-11-21 09:13:01,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (31 of 48 remaining) [2022-11-21 09:13:01,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (30 of 48 remaining) [2022-11-21 09:13:01,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (29 of 48 remaining) [2022-11-21 09:13:01,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (28 of 48 remaining) [2022-11-21 09:13:01,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (27 of 48 remaining) [2022-11-21 09:13:01,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (26 of 48 remaining) [2022-11-21 09:13:01,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (25 of 48 remaining) [2022-11-21 09:13:01,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (24 of 48 remaining) [2022-11-21 09:13:01,234 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (23 of 48 remaining) [2022-11-21 09:13:01,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (22 of 48 remaining) [2022-11-21 09:13:01,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (21 of 48 remaining) [2022-11-21 09:13:01,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (20 of 48 remaining) [2022-11-21 09:13:01,235 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (19 of 48 remaining) [2022-11-21 09:13:01,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 48 remaining) [2022-11-21 09:13:01,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 48 remaining) [2022-11-21 09:13:01,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 48 remaining) [2022-11-21 09:13:01,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 48 remaining) [2022-11-21 09:13:01,236 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 48 remaining) [2022-11-21 09:13:01,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 48 remaining) [2022-11-21 09:13:01,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 48 remaining) [2022-11-21 09:13:01,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 48 remaining) [2022-11-21 09:13:01,237 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 48 remaining) [2022-11-21 09:13:01,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 48 remaining) [2022-11-21 09:13:01,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 48 remaining) [2022-11-21 09:13:01,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 48 remaining) [2022-11-21 09:13:01,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 48 remaining) [2022-11-21 09:13:01,238 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 48 remaining) [2022-11-21 09:13:01,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 48 remaining) [2022-11-21 09:13:01,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 48 remaining) [2022-11-21 09:13:01,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 48 remaining) [2022-11-21 09:13:01,239 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 48 remaining) [2022-11-21 09:13:01,240 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 48 remaining) [2022-11-21 09:13:01,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 09:13:01,240 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:13:01,246 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 09:13:01,246 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:13:01,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:13:01 BasicIcfg [2022-11-21 09:13:01,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:13:01,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:13:01,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:13:01,253 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:13:01,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:12:54" (3/4) ... [2022-11-21 09:13:01,257 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:13:01,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-21 09:13:01,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-21 09:13:01,262 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-21 09:13:01,271 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-21 09:13:01,271 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 09:13:01,272 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:13:01,272 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:13:01,333 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:13:01,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:13:01,334 INFO L158 Benchmark]: Toolchain (without parser) took 8880.87ms. Allocated memory was 142.6MB in the beginning and 299.9MB in the end (delta: 157.3MB). Free memory was 99.4MB in the beginning and 251.0MB in the end (delta: -151.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-21 09:13:01,334 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:13:01,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.18ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 87.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 09:13:01,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.04ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:13:01,335 INFO L158 Benchmark]: Boogie Preprocessor took 43.68ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 81.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:13:01,335 INFO L158 Benchmark]: RCFGBuilder took 1214.23ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 90.9MB in the end (delta: -9.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-21 09:13:01,336 INFO L158 Benchmark]: TraceAbstraction took 7189.50ms. Allocated memory was 142.6MB in the beginning and 299.9MB in the end (delta: 157.3MB). Free memory was 90.2MB in the beginning and 255.2MB in the end (delta: -165.0MB). Peak memory consumption was 159.5MB. Max. memory is 16.1GB. [2022-11-21 09:13:01,336 INFO L158 Benchmark]: Witness Printer took 80.54ms. Allocated memory is still 299.9MB. Free memory was 254.1MB in the beginning and 251.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:13:01,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.18ms. Allocated memory is still 142.6MB. Free memory was 99.4MB in the beginning and 87.4MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.04ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 84.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.68ms. Allocated memory is still 142.6MB. Free memory was 84.3MB in the beginning and 81.6MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1214.23ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 90.9MB in the end (delta: -9.3MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7189.50ms. Allocated memory was 142.6MB in the beginning and 299.9MB in the end (delta: 157.3MB). Free memory was 90.2MB in the beginning and 255.2MB in the end (delta: -165.0MB). Peak memory consumption was 159.5MB. Max. memory is 16.1GB. * Witness Printer took 80.54ms. Allocated memory is still 299.9MB. Free memory was 254.1MB in the beginning and 251.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 100]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 101]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 288 locations, 48 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: 7.0s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 82 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 675 IncrementalHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 82 mSolverCounterUnsat, 125 mSDtfsCounter, 675 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=458occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 927 NumberOfCodeBlocks, 927 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 916 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 09:13:01,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65734b78-1ec3-451f-895f-bf3d796222fe/bin/uautomizer-vX5HgA9Q3a/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