./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/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_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/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_f924da53-11ca-49c9-939d-267c7823a61c/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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- 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 09:09:10,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:09:10,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:09:10,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:09:10,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:09:10,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:09:10,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:09:10,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:09:10,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:09:10,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:09:10,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:09:10,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:09:10,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:09:10,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:09:10,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:09:10,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:09:10,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:09:10,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:09:10,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:09:10,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:09:10,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:09:10,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:09:10,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:09:10,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:09:10,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:09:10,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:09:10,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:09:10,796 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:09:10,797 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:09:10,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:09:10,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:09:10,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:09:10,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:09:10,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:09:10,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:09:10,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:09:10,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:09:10,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:09:10,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:09:10,809 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:09:10,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:09:10,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-21 09:09:10,852 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:09:10,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:09:10,853 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:09:10,854 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:09:10,855 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:09:10,855 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:09:10,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:09:10,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:09:10,857 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:09:10,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:09:10,859 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:09:10,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:09:10,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:09:10,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:09:10,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:09:10,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:09:10,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:09:10,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:09:10,861 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-21 09:09:10,861 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:09:10,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:09:10,861 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:09:10,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:09:10,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:09:10,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:09:10,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:09:10,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:09:10,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:09:10,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:09:10,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:09:10,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:09:10,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:09:10,864 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:09:10,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:09:10,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:09:10,865 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_f924da53-11ca-49c9-939d-267c7823a61c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2022-11-21 09:09:11,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:09:11,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:09:11,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:09:11,314 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:09:11,314 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:09:11,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-11-21 09:09:14,664 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:09:15,003 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:09:15,004 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-11-21 09:09:15,021 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/data/b3cb8c43f/879e5ff0a6d54833a5aa4b1ca2e7e7a8/FLAGdca8599f9 [2022-11-21 09:09:15,039 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/data/b3cb8c43f/879e5ff0a6d54833a5aa4b1ca2e7e7a8 [2022-11-21 09:09:15,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:09:15,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:09:15,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:09:15,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:09:15,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:09:15,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178f13fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15, skipping insertion in model container [2022-11-21 09:09:15,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,063 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:09:15,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:09:15,358 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_f924da53-11ca-49c9-939d-267c7823a61c/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2022-11-21 09:09:15,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:09:15,557 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:09:15,572 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_f924da53-11ca-49c9-939d-267c7823a61c/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i[1120,1133] [2022-11-21 09:09:15,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:09:15,650 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:09:15,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15 WrapperNode [2022-11-21 09:09:15,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:09:15,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:09:15,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:09:15,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:09:15,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,680 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,711 INFO L138 Inliner]: procedures = 165, calls = 42, calls flagged for inlining = 9, calls inlined = 11, statements flattened = 169 [2022-11-21 09:09:15,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:09:15,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:09:15,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:09:15,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:09:15,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:09:15,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:09:15,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:09:15,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:09:15,750 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (1/1) ... [2022-11-21 09:09:15,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:09:15,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:09:15,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:09:15,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:09:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:09:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 09:09:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:09:15,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:09:15,878 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-21 09:09:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-21 09:09:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:09:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:09:15,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:09:15,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:09:15,882 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 09:09:16,038 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:09:16,041 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:09:16,447 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:09:16,458 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:09:16,458 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 09:09:16,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:09:16 BoogieIcfgContainer [2022-11-21 09:09:16,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:09:16,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:09:16,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:09:16,468 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:09:16,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:09:15" (1/3) ... [2022-11-21 09:09:16,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13385d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:09:16, skipping insertion in model container [2022-11-21 09:09:16,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:09:15" (2/3) ... [2022-11-21 09:09:16,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13385d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:09:16, skipping insertion in model container [2022-11-21 09:09:16,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:09:16" (3/3) ... [2022-11-21 09:09:16,472 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2022-11-21 09:09:16,482 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-21 09:09:16,494 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:09:16,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-11-21 09:09:16,495 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-21 09:09:16,643 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-21 09:09:16,695 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 219 transitions, 443 flow [2022-11-21 09:09:16,813 INFO L130 PetriNetUnfolder]: 8/222 cut-off events. [2022-11-21 09:09:16,813 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:09:16,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 222 events. 8/222 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 224 event pairs, 0 based on Foata normal form. 0/204 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2022-11-21 09:09:16,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 219 transitions, 443 flow [2022-11-21 09:09:16,837 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 217 transitions, 437 flow [2022-11-21 09:09:16,850 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:09:16,858 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;@ec9ad6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:09:16,859 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-21 09:09:16,881 INFO L130 PetriNetUnfolder]: 0/64 cut-off events. [2022-11-21 09:09:16,882 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-21 09:09:16,882 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:16,883 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:16,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:16,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1291949687, now seen corresponding path program 1 times [2022-11-21 09:09:16,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:16,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891644447] [2022-11-21 09:09:16,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:16,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:17,407 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 09:09:17,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:17,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891644447] [2022-11-21 09:09:17,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891644447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:17,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:17,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:17,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596618281] [2022-11-21 09:09:17,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:17,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:17,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:17,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:17,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:17,466 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 219 [2022-11-21 09:09:17,470 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 217 transitions, 437 flow. Second operand has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 09:09:17,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:17,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 219 [2022-11-21 09:09:17,480 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:17,709 INFO L130 PetriNetUnfolder]: 58/481 cut-off events. [2022-11-21 09:09:17,710 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-21 09:09:17,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 481 events. 58/481 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1559 event pairs, 35 based on Foata normal form. 33/441 useless extension candidates. Maximal degree in co-relation 566. Up to 105 conditions per place. [2022-11-21 09:09:17,716 INFO L137 encePairwiseOnDemand]: 206/219 looper letters, 19 selfloop transitions, 5 changer transitions 0/215 dead transitions. [2022-11-21 09:09:17,716 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 212 places, 215 transitions, 481 flow [2022-11-21 09:09:17,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:17,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:17,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 616 transitions. [2022-11-21 09:09:17,735 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9375951293759512 [2022-11-21 09:09:17,736 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 616 transitions. [2022-11-21 09:09:17,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 616 transitions. [2022-11-21 09:09:17,739 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:17,742 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 616 transitions. [2022-11-21 09:09:17,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 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 09:09:17,755 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:17,756 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:17,759 INFO L175 Difference]: Start difference. First operand has 213 places, 217 transitions, 437 flow. Second operand 3 states and 616 transitions. [2022-11-21 09:09:17,760 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 212 places, 215 transitions, 481 flow [2022-11-21 09:09:17,765 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 211 places, 215 transitions, 480 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-21 09:09:17,770 INFO L231 Difference]: Finished difference. Result has 213 places, 211 transitions, 454 flow [2022-11-21 09:09:17,773 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=416, PETRI_DIFFERENCE_MINUEND_PLACES=209, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=213, PETRI_TRANSITIONS=211} [2022-11-21 09:09:17,779 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 0 predicate places. [2022-11-21 09:09:17,779 INFO L495 AbstractCegarLoop]: Abstraction has has 213 places, 211 transitions, 454 flow [2022-11-21 09:09:17,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 194.66666666666666) internal successors, (584), 3 states have internal predecessors, (584), 0 states have call successors, (0), 0 states 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 09:09:17,780 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:17,781 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] [2022-11-21 09:09:17,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:09:17,783 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:17,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:17,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2146673420, now seen corresponding path program 1 times [2022-11-21 09:09:17,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:17,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800844487] [2022-11-21 09:09:17,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:17,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:17,950 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 09:09:17,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:17,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800844487] [2022-11-21 09:09:17,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800844487] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:17,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:17,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:17,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647456038] [2022-11-21 09:09:17,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:17,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:17,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:17,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:17,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:17,957 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 219 [2022-11-21 09:09:17,958 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 213 places, 211 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 0 states have call successors, (0), 0 states 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 09:09:17,959 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:17,959 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 219 [2022-11-21 09:09:17,959 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:18,145 INFO L130 PetriNetUnfolder]: 30/716 cut-off events. [2022-11-21 09:09:18,146 INFO L131 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-11-21 09:09:18,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 716 events. 30/716 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2998 event pairs, 12 based on Foata normal form. 0/639 useless extension candidates. Maximal degree in co-relation 769. Up to 38 conditions per place. [2022-11-21 09:09:18,152 INFO L137 encePairwiseOnDemand]: 214/219 looper letters, 11 selfloop transitions, 4 changer transitions 0/216 dead transitions. [2022-11-21 09:09:18,153 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 216 transitions, 494 flow [2022-11-21 09:09:18,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:18,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 613 transitions. [2022-11-21 09:09:18,157 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9330289193302892 [2022-11-21 09:09:18,157 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 613 transitions. [2022-11-21 09:09:18,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 613 transitions. [2022-11-21 09:09:18,158 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:18,158 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 613 transitions. [2022-11-21 09:09:18,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 204.33333333333334) internal successors, (613), 3 states have internal predecessors, (613), 0 states have call successors, (0), 0 states 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 09:09:18,164 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:18,165 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:18,165 INFO L175 Difference]: Start difference. First operand has 213 places, 211 transitions, 454 flow. Second operand 3 states and 613 transitions. [2022-11-21 09:09:18,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 216 transitions, 494 flow [2022-11-21 09:09:18,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 216 transitions, 484 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:18,174 INFO L231 Difference]: Finished difference. Result has 215 places, 214 transitions, 474 flow [2022-11-21 09:09:18,175 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=444, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=474, PETRI_PLACES=215, PETRI_TRANSITIONS=214} [2022-11-21 09:09:18,176 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 2 predicate places. [2022-11-21 09:09:18,176 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 214 transitions, 474 flow [2022-11-21 09:09:18,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 0 states have call successors, (0), 0 states 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 09:09:18,177 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:18,177 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:18,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:09:18,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:18,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:18,179 INFO L85 PathProgramCache]: Analyzing trace with hash -92182669, now seen corresponding path program 1 times [2022-11-21 09:09:18,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:18,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046072317] [2022-11-21 09:09:18,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:18,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:18,278 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 09:09:18,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:18,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046072317] [2022-11-21 09:09:18,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046072317] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:18,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:18,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:18,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177953927] [2022-11-21 09:09:18,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:18,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:18,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:18,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:18,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:18,286 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 202 out of 219 [2022-11-21 09:09:18,289 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 214 transitions, 474 flow. Second operand has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states 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 09:09:18,290 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:18,290 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 202 of 219 [2022-11-21 09:09:18,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:18,516 INFO L130 PetriNetUnfolder]: 17/800 cut-off events. [2022-11-21 09:09:18,516 INFO L131 PetriNetUnfolder]: For 27/33 co-relation queries the response was YES. [2022-11-21 09:09:18,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 800 events. 17/800 cut-off events. For 27/33 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 3730 event pairs, 5 based on Foata normal form. 0/720 useless extension candidates. Maximal degree in co-relation 863. Up to 27 conditions per place. [2022-11-21 09:09:18,522 INFO L137 encePairwiseOnDemand]: 215/219 looper letters, 8 selfloop transitions, 4 changer transitions 0/217 dead transitions. [2022-11-21 09:09:18,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 217 transitions, 510 flow [2022-11-21 09:09:18,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:18,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 617 transitions. [2022-11-21 09:09:18,524 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.939117199391172 [2022-11-21 09:09:18,525 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 617 transitions. [2022-11-21 09:09:18,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 617 transitions. [2022-11-21 09:09:18,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:18,526 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 617 transitions. [2022-11-21 09:09:18,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.66666666666666) internal successors, (617), 3 states have internal predecessors, (617), 0 states have call successors, (0), 0 states 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 09:09:18,532 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:18,533 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:18,533 INFO L175 Difference]: Start difference. First operand has 215 places, 214 transitions, 474 flow. Second operand 3 states and 617 transitions. [2022-11-21 09:09:18,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 217 transitions, 510 flow [2022-11-21 09:09:18,539 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 217 transitions, 500 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:18,543 INFO L231 Difference]: Finished difference. Result has 217 places, 216 transitions, 494 flow [2022-11-21 09:09:18,544 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=466, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=494, PETRI_PLACES=217, PETRI_TRANSITIONS=216} [2022-11-21 09:09:18,545 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2022-11-21 09:09:18,546 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 216 transitions, 494 flow [2022-11-21 09:09:18,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states 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 09:09:18,547 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:18,547 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 09:09:18,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 09:09:18,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:18,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:18,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1729263711, now seen corresponding path program 1 times [2022-11-21 09:09:18,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:18,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877385113] [2022-11-21 09:09:18,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:18,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:18,654 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 09:09:18,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:18,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877385113] [2022-11-21 09:09:18,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877385113] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:18,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:18,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:18,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589333748] [2022-11-21 09:09:18,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:18,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:18,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:18,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:18,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:18,659 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 199 out of 219 [2022-11-21 09:09:18,660 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 216 transitions, 494 flow. Second operand has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 0 states have call successors, (0), 0 states 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 09:09:18,661 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:18,661 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 199 of 219 [2022-11-21 09:09:18,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:19,048 INFO L130 PetriNetUnfolder]: 61/1764 cut-off events. [2022-11-21 09:09:19,048 INFO L131 PetriNetUnfolder]: For 23/26 co-relation queries the response was YES. [2022-11-21 09:09:19,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2028 conditions, 1764 events. 61/1764 cut-off events. For 23/26 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 12561 event pairs, 10 based on Foata normal form. 0/1564 useless extension candidates. Maximal degree in co-relation 1974. Up to 84 conditions per place. [2022-11-21 09:09:19,058 INFO L137 encePairwiseOnDemand]: 214/219 looper letters, 13 selfloop transitions, 4 changer transitions 0/223 dead transitions. [2022-11-21 09:09:19,058 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 223 transitions, 542 flow [2022-11-21 09:09:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:19,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 615 transitions. [2022-11-21 09:09:19,061 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9360730593607306 [2022-11-21 09:09:19,061 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 615 transitions. [2022-11-21 09:09:19,062 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 615 transitions. [2022-11-21 09:09:19,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:19,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 615 transitions. [2022-11-21 09:09:19,064 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 205.0) internal successors, (615), 3 states have internal predecessors, (615), 0 states have call successors, (0), 0 states 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 09:09:19,067 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:19,069 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:19,072 INFO L175 Difference]: Start difference. First operand has 217 places, 216 transitions, 494 flow. Second operand 3 states and 615 transitions. [2022-11-21 09:09:19,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 223 transitions, 542 flow [2022-11-21 09:09:19,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 223 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:19,082 INFO L231 Difference]: Finished difference. Result has 219 places, 219 transitions, 516 flow [2022-11-21 09:09:19,083 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=486, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=516, PETRI_PLACES=219, PETRI_TRANSITIONS=219} [2022-11-21 09:09:19,085 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 6 predicate places. [2022-11-21 09:09:19,086 INFO L495 AbstractCegarLoop]: Abstraction has has 219 places, 219 transitions, 516 flow [2022-11-21 09:09:19,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 0 states have call successors, (0), 0 states 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 09:09:19,087 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:19,093 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] [2022-11-21 09:09:19,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-21 09:09:19,097 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:19,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:19,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1886112610, now seen corresponding path program 1 times [2022-11-21 09:09:19,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:19,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970232406] [2022-11-21 09:09:19,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:19,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:19,757 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 09:09:19,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:19,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970232406] [2022-11-21 09:09:19,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970232406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:19,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:19,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:09:19,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489252760] [2022-11-21 09:09:19,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:19,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:09:19,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:19,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:09:19,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:09:19,766 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 219 [2022-11-21 09:09:19,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 219 transitions, 516 flow. Second operand has 6 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states 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 09:09:19,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:19,768 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 219 [2022-11-21 09:09:19,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:20,155 INFO L130 PetriNetUnfolder]: 68/1120 cut-off events. [2022-11-21 09:09:20,156 INFO L131 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2022-11-21 09:09:20,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1454 conditions, 1120 events. 68/1120 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 6053 event pairs, 38 based on Foata normal form. 6/1026 useless extension candidates. Maximal degree in co-relation 1387. Up to 142 conditions per place. [2022-11-21 09:09:20,163 INFO L137 encePairwiseOnDemand]: 209/219 looper letters, 28 selfloop transitions, 10 changer transitions 0/222 dead transitions. [2022-11-21 09:09:20,163 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 222 transitions, 578 flow [2022-11-21 09:09:20,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 09:09:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 09:09:20,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 951 transitions. [2022-11-21 09:09:20,167 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8684931506849315 [2022-11-21 09:09:20,168 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 951 transitions. [2022-11-21 09:09:20,168 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 951 transitions. [2022-11-21 09:09:20,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:20,170 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 951 transitions. [2022-11-21 09:09:20,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 190.2) internal successors, (951), 5 states have internal predecessors, (951), 0 states have call successors, (0), 0 states 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 09:09:20,176 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states 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 09:09:20,177 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states 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 09:09:20,177 INFO L175 Difference]: Start difference. First operand has 219 places, 219 transitions, 516 flow. Second operand 5 states and 951 transitions. [2022-11-21 09:09:20,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 222 transitions, 578 flow [2022-11-21 09:09:20,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 222 transitions, 558 flow, removed 4 selfloop flow, removed 4 redundant places. [2022-11-21 09:09:20,188 INFO L231 Difference]: Finished difference. Result has 217 places, 216 transitions, 508 flow [2022-11-21 09:09:20,189 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=460, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=508, PETRI_PLACES=217, PETRI_TRANSITIONS=216} [2022-11-21 09:09:20,192 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2022-11-21 09:09:20,193 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 216 transitions, 508 flow [2022-11-21 09:09:20,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 184.83333333333334) internal successors, (1109), 6 states have internal predecessors, (1109), 0 states have call successors, (0), 0 states 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 09:09:20,194 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:20,195 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:20,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:09:20,195 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:20,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash 908938889, now seen corresponding path program 1 times [2022-11-21 09:09:20,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:20,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596562696] [2022-11-21 09:09:20,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:20,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:09:20,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:20,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596562696] [2022-11-21 09:09:20,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596562696] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:20,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:20,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:20,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343159435] [2022-11-21 09:09:20,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:20,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:20,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:20,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:20,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:20,305 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 219 [2022-11-21 09:09:20,306 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 216 transitions, 508 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states 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 09:09:20,307 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:20,307 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 219 [2022-11-21 09:09:20,307 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:20,483 INFO L130 PetriNetUnfolder]: 20/806 cut-off events. [2022-11-21 09:09:20,484 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-11-21 09:09:20,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 806 events. 20/806 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3588 event pairs, 9 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 951. Up to 45 conditions per place. [2022-11-21 09:09:20,487 INFO L137 encePairwiseOnDemand]: 216/219 looper letters, 10 selfloop transitions, 3 changer transitions 0/215 dead transitions. [2022-11-21 09:09:20,488 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 215 transitions, 532 flow [2022-11-21 09:09:20,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 600 transitions. [2022-11-21 09:09:20,491 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.91324200913242 [2022-11-21 09:09:20,491 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 600 transitions. [2022-11-21 09:09:20,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 600 transitions. [2022-11-21 09:09:20,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:20,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 600 transitions. [2022-11-21 09:09:20,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 200.0) internal successors, (600), 3 states have internal predecessors, (600), 0 states have call successors, (0), 0 states 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 09:09:20,498 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:20,498 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:20,499 INFO L175 Difference]: Start difference. First operand has 217 places, 216 transitions, 508 flow. Second operand 3 states and 600 transitions. [2022-11-21 09:09:20,499 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 215 transitions, 532 flow [2022-11-21 09:09:20,501 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 215 transitions, 529 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:20,505 INFO L231 Difference]: Finished difference. Result has 216 places, 215 transitions, 509 flow [2022-11-21 09:09:20,506 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=503, PETRI_DIFFERENCE_MINUEND_PLACES=214, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=509, PETRI_PLACES=216, PETRI_TRANSITIONS=215} [2022-11-21 09:09:20,509 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 3 predicate places. [2022-11-21 09:09:20,510 INFO L495 AbstractCegarLoop]: Abstraction has has 216 places, 215 transitions, 509 flow [2022-11-21 09:09:20,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states 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 09:09:20,510 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:20,511 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:20,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-21 09:09:20,513 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:20,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:20,514 INFO L85 PathProgramCache]: Analyzing trace with hash 301880083, now seen corresponding path program 1 times [2022-11-21 09:09:20,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:20,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015267164] [2022-11-21 09:09:20,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:20,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:20,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:09:20,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:20,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015267164] [2022-11-21 09:09:20,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015267164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:20,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:20,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:20,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591608943] [2022-11-21 09:09:20,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:20,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:20,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:20,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:20,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:20,611 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 219 [2022-11-21 09:09:20,614 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 216 places, 215 transitions, 509 flow. Second operand has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 09:09:20,614 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:20,614 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 219 [2022-11-21 09:09:20,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:20,778 INFO L130 PetriNetUnfolder]: 20/799 cut-off events. [2022-11-21 09:09:20,778 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-11-21 09:09:20,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1008 conditions, 799 events. 20/799 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3523 event pairs, 9 based on Foata normal form. 0/741 useless extension candidates. Maximal degree in co-relation 951. Up to 45 conditions per place. [2022-11-21 09:09:20,784 INFO L137 encePairwiseOnDemand]: 216/219 looper letters, 9 selfloop transitions, 3 changer transitions 0/214 dead transitions. [2022-11-21 09:09:20,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 214 transitions, 531 flow [2022-11-21 09:09:20,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:20,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:20,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2022-11-21 09:09:20,788 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9117199391171994 [2022-11-21 09:09:20,788 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 599 transitions. [2022-11-21 09:09:20,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 599 transitions. [2022-11-21 09:09:20,789 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:20,789 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 599 transitions. [2022-11-21 09:09:20,791 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 199.66666666666666) internal successors, (599), 3 states have internal predecessors, (599), 0 states have call successors, (0), 0 states 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 09:09:20,793 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:20,794 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:20,794 INFO L175 Difference]: Start difference. First operand has 216 places, 215 transitions, 509 flow. Second operand 3 states and 599 transitions. [2022-11-21 09:09:20,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 214 transitions, 531 flow [2022-11-21 09:09:20,798 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 214 transitions, 525 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:20,802 INFO L231 Difference]: Finished difference. Result has 215 places, 214 transitions, 507 flow [2022-11-21 09:09:20,802 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=507, PETRI_PLACES=215, PETRI_TRANSITIONS=214} [2022-11-21 09:09:20,804 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 2 predicate places. [2022-11-21 09:09:20,804 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 214 transitions, 507 flow [2022-11-21 09:09:20,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.33333333333334) internal successors, (595), 3 states have internal predecessors, (595), 0 states have call successors, (0), 0 states 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 09:09:20,805 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:20,805 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:20,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:09:20,806 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:20,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:20,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1755410960, now seen corresponding path program 1 times [2022-11-21 09:09:20,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:20,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174091030] [2022-11-21 09:09:20,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:20,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:20,883 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 09:09:20,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:20,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174091030] [2022-11-21 09:09:20,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174091030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:20,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:20,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:20,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272736862] [2022-11-21 09:09:20,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:20,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:20,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:20,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:20,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:20,889 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 219 [2022-11-21 09:09:20,890 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 214 transitions, 507 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states 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 09:09:20,890 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:20,890 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 219 [2022-11-21 09:09:20,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:21,177 INFO L130 PetriNetUnfolder]: 159/1203 cut-off events. [2022-11-21 09:09:21,177 INFO L131 PetriNetUnfolder]: For 74/84 co-relation queries the response was YES. [2022-11-21 09:09:21,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1780 conditions, 1203 events. 159/1203 cut-off events. For 74/84 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 6892 event pairs, 75 based on Foata normal form. 0/1054 useless extension candidates. Maximal degree in co-relation 1723. Up to 263 conditions per place. [2022-11-21 09:09:21,183 INFO L137 encePairwiseOnDemand]: 213/219 looper letters, 21 selfloop transitions, 5 changer transitions 8/222 dead transitions. [2022-11-21 09:09:21,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 222 transitions, 581 flow [2022-11-21 09:09:21,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:21,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 604 transitions. [2022-11-21 09:09:21,187 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9193302891933028 [2022-11-21 09:09:21,187 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 604 transitions. [2022-11-21 09:09:21,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 604 transitions. [2022-11-21 09:09:21,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:21,189 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 604 transitions. [2022-11-21 09:09:21,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 201.33333333333334) internal successors, (604), 3 states have internal predecessors, (604), 0 states have call successors, (0), 0 states 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 09:09:21,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:21,194 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:21,194 INFO L175 Difference]: Start difference. First operand has 215 places, 214 transitions, 507 flow. Second operand 3 states and 604 transitions. [2022-11-21 09:09:21,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 222 transitions, 581 flow [2022-11-21 09:09:21,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 222 transitions, 575 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:21,202 INFO L231 Difference]: Finished difference. Result has 217 places, 211 transitions, 525 flow [2022-11-21 09:09:21,203 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=501, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=214, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=209, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=525, PETRI_PLACES=217, PETRI_TRANSITIONS=211} [2022-11-21 09:09:21,203 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2022-11-21 09:09:21,204 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 211 transitions, 525 flow [2022-11-21 09:09:21,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states 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 09:09:21,205 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:21,205 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] [2022-11-21 09:09:21,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:09:21,206 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:21,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1578551485, now seen corresponding path program 1 times [2022-11-21 09:09:21,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:21,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692071970] [2022-11-21 09:09:21,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:21,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:21,279 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 09:09:21,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:21,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692071970] [2022-11-21 09:09:21,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692071970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:21,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:21,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:21,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668758870] [2022-11-21 09:09:21,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:21,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:21,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:21,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:21,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:21,284 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 219 [2022-11-21 09:09:21,285 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 211 transitions, 525 flow. Second operand has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states 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 09:09:21,285 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:21,285 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 219 [2022-11-21 09:09:21,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:21,555 INFO L130 PetriNetUnfolder]: 144/1341 cut-off events. [2022-11-21 09:09:21,555 INFO L131 PetriNetUnfolder]: For 227/241 co-relation queries the response was YES. [2022-11-21 09:09:21,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2158 conditions, 1341 events. 144/1341 cut-off events. For 227/241 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 8262 event pairs, 68 based on Foata normal form. 0/1250 useless extension candidates. Maximal degree in co-relation 2101. Up to 254 conditions per place. [2022-11-21 09:09:21,562 INFO L137 encePairwiseOnDemand]: 213/219 looper letters, 24 selfloop transitions, 7 changer transitions 0/221 dead transitions. [2022-11-21 09:09:21,562 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 215 places, 221 transitions, 627 flow [2022-11-21 09:09:21,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:21,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:21,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 606 transitions. [2022-11-21 09:09:21,565 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9223744292237442 [2022-11-21 09:09:21,565 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 606 transitions. [2022-11-21 09:09:21,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 606 transitions. [2022-11-21 09:09:21,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:21,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 606 transitions. [2022-11-21 09:09:21,567 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 09:09:21,569 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:21,569 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:21,570 INFO L175 Difference]: Start difference. First operand has 217 places, 211 transitions, 525 flow. Second operand 3 states and 606 transitions. [2022-11-21 09:09:21,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 215 places, 221 transitions, 627 flow [2022-11-21 09:09:21,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 213 places, 221 transitions, 609 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:21,577 INFO L231 Difference]: Finished difference. Result has 215 places, 215 transitions, 561 flow [2022-11-21 09:09:21,577 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=511, PETRI_DIFFERENCE_MINUEND_PLACES=211, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=561, PETRI_PLACES=215, PETRI_TRANSITIONS=215} [2022-11-21 09:09:21,578 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 2 predicate places. [2022-11-21 09:09:21,578 INFO L495 AbstractCegarLoop]: Abstraction has has 215 places, 215 transitions, 561 flow [2022-11-21 09:09:21,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 195.33333333333334) internal successors, (586), 3 states have internal predecessors, (586), 0 states have call successors, (0), 0 states 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 09:09:21,579 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:21,579 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:21,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:09:21,579 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:21,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:21,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1894637824, now seen corresponding path program 1 times [2022-11-21 09:09:21,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:21,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526479392] [2022-11-21 09:09:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:21,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:21,641 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 09:09:21,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:21,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526479392] [2022-11-21 09:09:21,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526479392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:21,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:21,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:09:21,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885474190] [2022-11-21 09:09:21,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:21,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:09:21,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:21,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:09:21,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:09:21,646 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 219 [2022-11-21 09:09:21,647 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 215 places, 215 transitions, 561 flow. Second operand has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states 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 09:09:21,647 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:21,647 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 219 [2022-11-21 09:09:21,648 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:21,936 INFO L130 PetriNetUnfolder]: 108/1441 cut-off events. [2022-11-21 09:09:21,937 INFO L131 PetriNetUnfolder]: For 370/450 co-relation queries the response was YES. [2022-11-21 09:09:21,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2256 conditions, 1441 events. 108/1441 cut-off events. For 370/450 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 9562 event pairs, 37 based on Foata normal form. 0/1365 useless extension candidates. Maximal degree in co-relation 2198. Up to 160 conditions per place. [2022-11-21 09:09:21,944 INFO L137 encePairwiseOnDemand]: 214/219 looper letters, 21 selfloop transitions, 5 changer transitions 6/224 dead transitions. [2022-11-21 09:09:21,945 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 224 transitions, 661 flow [2022-11-21 09:09:21,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:09:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-11-21 09:09:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 609 transitions. [2022-11-21 09:09:21,947 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.9269406392694064 [2022-11-21 09:09:21,948 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 609 transitions. [2022-11-21 09:09:21,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 609 transitions. [2022-11-21 09:09:21,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:21,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 609 transitions. [2022-11-21 09:09:21,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 203.0) internal successors, (609), 3 states have internal predecessors, (609), 0 states have call successors, (0), 0 states 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 09:09:21,952 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:21,953 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states 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 09:09:21,953 INFO L175 Difference]: Start difference. First operand has 215 places, 215 transitions, 561 flow. Second operand 3 states and 609 transitions. [2022-11-21 09:09:21,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 224 transitions, 661 flow [2022-11-21 09:09:21,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 224 transitions, 647 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-11-21 09:09:21,961 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 579 flow [2022-11-21 09:09:21,962 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=547, PETRI_DIFFERENCE_MINUEND_PLACES=213, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=579, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2022-11-21 09:09:21,962 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2022-11-21 09:09:21,963 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 579 flow [2022-11-21 09:09:21,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 197.66666666666666) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states 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 09:09:21,964 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:21,964 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] [2022-11-21 09:09:21,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:09:21,964 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:21,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:21,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1266900220, now seen corresponding path program 1 times [2022-11-21 09:09:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:21,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492122197] [2022-11-21 09:09:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:21,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:22,406 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 09:09:22,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:22,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492122197] [2022-11-21 09:09:22,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492122197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:22,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:22,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-21 09:09:22,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874201226] [2022-11-21 09:09:22,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:22,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:09:22,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:22,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:09:22,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-21 09:09:22,412 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 219 [2022-11-21 09:09:22,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 579 flow. Second operand has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:09:22,414 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:22,414 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 219 [2022-11-21 09:09:22,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:22,704 INFO L130 PetriNetUnfolder]: 52/1016 cut-off events. [2022-11-21 09:09:22,705 INFO L131 PetriNetUnfolder]: For 220/227 co-relation queries the response was YES. [2022-11-21 09:09:22,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1495 conditions, 1016 events. 52/1016 cut-off events. For 220/227 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 5106 event pairs, 23 based on Foata normal form. 2/990 useless extension candidates. Maximal degree in co-relation 1424. Up to 106 conditions per place. [2022-11-21 09:09:22,709 INFO L137 encePairwiseOnDemand]: 209/219 looper letters, 23 selfloop transitions, 9 changer transitions 15/220 dead transitions. [2022-11-21 09:09:22,709 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 220 transitions, 663 flow [2022-11-21 09:09:22,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 09:09:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-11-21 09:09:22,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 950 transitions. [2022-11-21 09:09:22,713 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.867579908675799 [2022-11-21 09:09:22,713 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 950 transitions. [2022-11-21 09:09:22,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 950 transitions. [2022-11-21 09:09:22,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:22,715 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 950 transitions. [2022-11-21 09:09:22,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:09:22,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states 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 09:09:22,721 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 219.0) internal successors, (1314), 6 states have internal predecessors, (1314), 0 states have call successors, (0), 0 states 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 09:09:22,721 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 579 flow. Second operand 5 states and 950 transitions. [2022-11-21 09:09:22,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 220 transitions, 663 flow [2022-11-21 09:09:22,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 220 transitions, 637 flow, removed 6 selfloop flow, removed 4 redundant places. [2022-11-21 09:09:22,728 INFO L231 Difference]: Finished difference. Result has 217 places, 202 transitions, 523 flow [2022-11-21 09:09:22,729 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=208, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=199, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=523, PETRI_PLACES=217, PETRI_TRANSITIONS=202} [2022-11-21 09:09:22,730 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, 4 predicate places. [2022-11-21 09:09:22,730 INFO L495 AbstractCegarLoop]: Abstraction has has 217 places, 202 transitions, 523 flow [2022-11-21 09:09:22,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 185.16666666666666) internal successors, (1111), 6 states have internal predecessors, (1111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:09:22,731 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-21 09:09:22,732 INFO L209 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:22,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-21 09:09:22,732 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 11 more)] === [2022-11-21 09:09:22,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:09:22,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1702899285, now seen corresponding path program 1 times [2022-11-21 09:09:22,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:09:22,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558651900] [2022-11-21 09:09:22,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:09:22,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:09:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:09:23,356 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 09:09:23,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:09:23,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558651900] [2022-11-21 09:09:23,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558651900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:09:23,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:09:23,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-21 09:09:23,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156852993] [2022-11-21 09:09:23,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:09:23,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-21 09:09:23,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:09:23,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-21 09:09:23,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-21 09:09:23,361 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 219 [2022-11-21 09:09:23,363 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 202 transitions, 523 flow. Second operand has 7 states, 7 states have (on average 180.28571428571428) internal successors, (1262), 7 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states 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 09:09:23,363 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-21 09:09:23,363 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 219 [2022-11-21 09:09:23,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-21 09:09:23,548 INFO L130 PetriNetUnfolder]: 16/494 cut-off events. [2022-11-21 09:09:23,549 INFO L131 PetriNetUnfolder]: For 149/151 co-relation queries the response was YES. [2022-11-21 09:09:23,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 730 conditions, 494 events. 16/494 cut-off events. For 149/151 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 1247 event pairs, 3 based on Foata normal form. 8/494 useless extension candidates. Maximal degree in co-relation 651. Up to 47 conditions per place. [2022-11-21 09:09:23,551 INFO L137 encePairwiseOnDemand]: 213/219 looper letters, 0 selfloop transitions, 0 changer transitions 193/193 dead transitions. [2022-11-21 09:09:23,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 193 transitions, 586 flow [2022-11-21 09:09:23,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:09:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-21 09:09:23,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1096 transitions. [2022-11-21 09:09:23,555 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.8340943683409436 [2022-11-21 09:09:23,555 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1096 transitions. [2022-11-21 09:09:23,555 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1096 transitions. [2022-11-21 09:09:23,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 09:09:23,556 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1096 transitions. [2022-11-21 09:09:23,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 0 states have call successors, (0), 0 states 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 09:09:23,562 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 219.0) internal successors, (1533), 7 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states 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 09:09:23,563 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 219.0) internal successors, (1533), 7 states have internal predecessors, (1533), 0 states have call successors, (0), 0 states 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 09:09:23,564 INFO L175 Difference]: Start difference. First operand has 217 places, 202 transitions, 523 flow. Second operand 6 states and 1096 transitions. [2022-11-21 09:09:23,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 193 transitions, 586 flow [2022-11-21 09:09:23,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 193 transitions, 546 flow, removed 8 selfloop flow, removed 8 redundant places. [2022-11-21 09:09:23,568 INFO L231 Difference]: Finished difference. Result has 202 places, 0 transitions, 0 flow [2022-11-21 09:09:23,569 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=202, PETRI_TRANSITIONS=0} [2022-11-21 09:09:23,570 INFO L288 CegarLoopForPetriNet]: 213 programPoint places, -11 predicate places. [2022-11-21 09:09:23,570 INFO L495 AbstractCegarLoop]: Abstraction has has 202 places, 0 transitions, 0 flow [2022-11-21 09:09:23,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 180.28571428571428) internal successors, (1262), 7 states have internal predecessors, (1262), 0 states have call successors, (0), 0 states 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 09:09:23,574 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (13 of 14 remaining) [2022-11-21 09:09:23,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (12 of 14 remaining) [2022-11-21 09:09:23,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (11 of 14 remaining) [2022-11-21 09:09:23,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (10 of 14 remaining) [2022-11-21 09:09:23,575 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (9 of 14 remaining) [2022-11-21 09:09:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 14 remaining) [2022-11-21 09:09:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 14 remaining) [2022-11-21 09:09:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 14 remaining) [2022-11-21 09:09:23,576 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 14 remaining) [2022-11-21 09:09:23,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 14 remaining) [2022-11-21 09:09:23,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 14 remaining) [2022-11-21 09:09:23,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 14 remaining) [2022-11-21 09:09:23,577 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 14 remaining) [2022-11-21 09:09:23,578 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 14 remaining) [2022-11-21 09:09:23,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 09:09:23,578 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:09:23,585 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-21 09:09:23,585 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:09:23,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:09:23 BasicIcfg [2022-11-21 09:09:23,591 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:09:23,592 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:09:23,592 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:09:23,592 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:09:23,593 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:09:16" (3/4) ... [2022-11-21 09:09:23,596 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:09:23,604 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-21 09:09:23,610 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-11-21 09:09:23,610 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 09:09:23,611 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:09:23,611 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:09:23,651 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:09:23,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:09:23,653 INFO L158 Benchmark]: Toolchain (without parser) took 8608.87ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 127.0MB in the beginning and 104.3MB in the end (delta: 22.7MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2022-11-21 09:09:23,653 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:09:23,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 606.26ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 118.6MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 09:09:23,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.00ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 115.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:09:23,654 INFO L158 Benchmark]: Boogie Preprocessor took 35.26ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 114.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:09:23,654 INFO L158 Benchmark]: RCFGBuilder took 713.15ms. Allocated memory is still 161.5MB. Free memory was 114.4MB in the beginning and 94.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 09:09:23,655 INFO L158 Benchmark]: TraceAbstraction took 7127.17ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 94.7MB in the beginning and 108.5MB in the end (delta: -13.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2022-11-21 09:09:23,655 INFO L158 Benchmark]: Witness Printer took 60.24ms. Allocated memory is still 234.9MB. Free memory was 107.4MB in the beginning and 104.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:09:23,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 606.26ms. Allocated memory is still 161.5MB. Free memory was 127.0MB in the beginning and 118.6MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.00ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 115.7MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.26ms. Allocated memory is still 161.5MB. Free memory was 115.7MB in the beginning and 114.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 713.15ms. Allocated memory is still 161.5MB. Free memory was 114.4MB in the beginning and 94.7MB in the end (delta: 19.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7127.17ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 94.7MB in the beginning and 108.5MB in the end (delta: -13.7MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. * Witness Printer took 60.24ms. Allocated memory is still 234.9MB. Free memory was 107.4MB in the beginning and 104.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 739]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 742]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 746]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: 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 3 procedures, 302 locations, 14 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 150 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 113 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 377 IncrementalHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 109 mSDtfsCounter, 377 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=579occurred in iteration=10, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1106 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1094 ConstructedInterpolants, 0 QuantifiedInterpolants, 2689 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-21 09:09:23,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f924da53-11ca-49c9-939d-267c7823a61c/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