./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 16:21:54,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 16:21:54,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 16:21:54,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 16:21:54,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 16:21:54,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 16:21:54,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 16:21:54,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 16:21:54,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 16:21:54,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 16:21:54,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 16:21:54,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 16:21:54,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 16:21:54,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 16:21:54,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 16:21:54,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 16:21:54,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 16:21:54,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 16:21:54,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 16:21:54,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 16:21:54,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 16:21:54,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 16:21:54,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 16:21:54,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 16:21:54,648 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 16:21:54,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 16:21:54,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 16:21:54,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 16:21:54,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 16:21:54,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 16:21:54,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 16:21:54,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 16:21:54,662 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 16:21:54,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 16:21:54,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 16:21:54,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 16:21:54,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 16:21:54,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 16:21:54,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 16:21:54,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 16:21:54,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 16:21:54,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-16 16:21:54,716 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 16:21:54,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 16:21:54,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 16:21:54,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 16:21:54,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 16:21:54,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 16:21:54,719 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 16:21:54,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 16:21:54,719 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 16:21:54,720 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 16:21:54,721 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 16:21:54,721 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 16:21:54,721 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 16:21:54,721 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 16:21:54,722 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 16:21:54,722 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 16:21:54,722 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 16:21:54,722 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 16:21:54,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 16:21:54,724 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 16:21:54,724 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 16:21:54,724 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 16:21:54,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 16:21:54,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 16:21:54,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 16:21:54,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 16:21:54,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 16:21:54,727 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 16:21:54,727 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 16:21:54,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 16:21:54,728 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 16:21:54,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 16:21:54,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 16:21:54,729 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 16:21:54,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:21:54,729 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 16:21:54,730 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 16:21:54,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 16:21:54,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 16:21:54,731 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 16:21:54,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 16:21:54,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 16:21:54,732 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 16:21:54,732 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_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40 [2022-11-16 16:21:55,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 16:21:55,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 16:21:55,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 16:21:55,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 16:21:55,108 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 16:21:55,110 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-16 16:21:55,205 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/data/04e606e09/ec8c6164d3a540159f2e056ffdb1bdeb/FLAG44d462ccd [2022-11-16 16:21:55,860 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 16:21:55,864 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i [2022-11-16 16:21:55,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/data/04e606e09/ec8c6164d3a540159f2e056ffdb1bdeb/FLAG44d462ccd [2022-11-16 16:21:56,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/data/04e606e09/ec8c6164d3a540159f2e056ffdb1bdeb [2022-11-16 16:21:56,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 16:21:56,088 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 16:21:56,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 16:21:56,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 16:21:56,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 16:21:56,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f61c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56, skipping insertion in model container [2022-11-16 16:21:56,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 16:21:56,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 16:21:56,641 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-16 16:21:56,656 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-16 16:21:56,665 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-16 16:21:56,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:21:56,694 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 16:21:56,778 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30451,30464] [2022-11-16 16:21:56,779 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30681,30694] [2022-11-16 16:21:56,781 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i[30979,30992] [2022-11-16 16:21:56,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 16:21:56,823 INFO L208 MainTranslator]: Completed translation [2022-11-16 16:21:56,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56 WrapperNode [2022-11-16 16:21:56,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 16:21:56,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 16:21:56,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 16:21:56,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 16:21:56,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,850 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,885 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 250 [2022-11-16 16:21:56,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 16:21:56,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 16:21:56,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 16:21:56,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 16:21:56,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,944 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 16:21:56,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 16:21:56,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 16:21:56,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 16:21:56,959 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (1/1) ... [2022-11-16 16:21:56,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 16:21:56,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:21:56,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 16:21:57,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 16:21:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 16:21:57,040 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-16 16:21:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-16 16:21:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-16 16:21:57,041 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-16 16:21:57,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 16:21:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 16:21:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 16:21:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 16:21:57,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 16:21:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 16:21:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 16:21:57,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 16:21:57,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 16:21:57,045 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 16:21:57,265 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 16:21:57,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 16:21:57,836 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 16:21:57,848 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 16:21:57,848 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 16:21:57,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:21:57 BoogieIcfgContainer [2022-11-16 16:21:57,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 16:21:57,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 16:21:57,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 16:21:57,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 16:21:57,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:21:56" (1/3) ... [2022-11-16 16:21:57,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3729d5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:21:57, skipping insertion in model container [2022-11-16 16:21:57,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:21:56" (2/3) ... [2022-11-16 16:21:57,860 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3729d5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:21:57, skipping insertion in model container [2022-11-16 16:21:57,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:21:57" (3/3) ... [2022-11-16 16:21:57,862 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i [2022-11-16 16:21:57,871 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 16:21:57,882 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 16:21:57,883 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-16 16:21:57,883 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 16:21:57,998 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-16 16:21:58,056 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 16:21:58,076 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 292 places, 298 transitions, 612 flow [2022-11-16 16:21:58,080 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 292 places, 298 transitions, 612 flow [2022-11-16 16:21:58,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 292 places, 298 transitions, 612 flow [2022-11-16 16:21:58,273 INFO L130 PetriNetUnfolder]: 13/296 cut-off events. [2022-11-16 16:21:58,273 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-16 16:21:58,286 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 296 events. 13/296 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 790 event pairs, 0 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 204. Up to 2 conditions per place. [2022-11-16 16:21:58,301 INFO L119 LiptonReduction]: Number of co-enabled transitions 23022 [2022-11-16 16:22:19,620 INFO L134 LiptonReduction]: Checked pairs total: 163934 [2022-11-16 16:22:19,621 INFO L136 LiptonReduction]: Total number of compositions: 339 [2022-11-16 16:22:19,636 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 111 places, 113 transitions, 242 flow [2022-11-16 16:22:20,088 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 12301 states, 11923 states have (on average 3.1304201962593305) internal successors, (37324), 12300 states have internal predecessors, (37324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:20,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 16:22:20,117 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=FINITE_AUTOMATA, 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;@2d30a621, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 16:22:20,118 INFO L358 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2022-11-16 16:22:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 12301 states, 11923 states have (on average 3.1304201962593305) internal successors, (37324), 12300 states have internal predecessors, (37324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-16 16:22:20,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:20,175 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-16 16:22:20,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:20,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:20,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1172, now seen corresponding path program 1 times [2022-11-16 16:22:20,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:20,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861835142] [2022-11-16 16:22:20,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:20,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:20,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:20,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:20,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861835142] [2022-11-16 16:22:20,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861835142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:20,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:20,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-16 16:22:20,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276280067] [2022-11-16 16:22:20,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:20,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 16:22:20,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:20,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 16:22:20,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:22:20,400 INFO L87 Difference]: Start difference. First operand has 12301 states, 11923 states have (on average 3.1304201962593305) internal successors, (37324), 12300 states have internal predecessors, (37324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:20,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:20,763 INFO L93 Difference]: Finished difference Result 8628 states and 25915 transitions. [2022-11-16 16:22:20,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 16:22:20,766 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-16 16:22:20,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:20,888 INFO L225 Difference]: With dead ends: 8628 [2022-11-16 16:22:20,888 INFO L226 Difference]: Without dead ends: 8627 [2022-11-16 16:22:20,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 16:22:20,892 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:20,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:22:20,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8627 states. [2022-11-16 16:22:21,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8627 to 8627. [2022-11-16 16:22:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8627 states, 8523 states have (on average 3.0403613751026635) internal successors, (25913), 8626 states have internal predecessors, (25913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8627 states to 8627 states and 25913 transitions. [2022-11-16 16:22:21,403 INFO L78 Accepts]: Start accepts. Automaton has 8627 states and 25913 transitions. Word has length 1 [2022-11-16 16:22:21,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:21,403 INFO L495 AbstractCegarLoop]: Abstraction has 8627 states and 25913 transitions. [2022-11-16 16:22:21,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8627 states and 25913 transitions. [2022-11-16 16:22:21,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 16:22:21,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:21,405 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-16 16:22:21,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 16:22:21,406 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:21,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:21,407 INFO L85 PathProgramCache]: Analyzing trace with hash 573071127, now seen corresponding path program 1 times [2022-11-16 16:22:21,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:21,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177844797] [2022-11-16 16:22:21,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:21,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:21,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:21,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177844797] [2022-11-16 16:22:21,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177844797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:21,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:21,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:21,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975759786] [2022-11-16 16:22:21,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:21,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:21,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:21,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:21,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:21,591 INFO L87 Difference]: Start difference. First operand 8627 states and 25913 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:22,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:22,194 INFO L93 Difference]: Finished difference Result 15140 states and 45596 transitions. [2022-11-16 16:22:22,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:22,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-16 16:22:22,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:22,325 INFO L225 Difference]: With dead ends: 15140 [2022-11-16 16:22:22,325 INFO L226 Difference]: Without dead ends: 15140 [2022-11-16 16:22:22,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:22,327 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 75 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:22,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 88 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 16:22:22,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15140 states. [2022-11-16 16:22:22,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15140 to 8841. [2022-11-16 16:22:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8841 states, 8737 states have (on average 3.064896417534623) internal successors, (26778), 8840 states have internal predecessors, (26778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8841 states to 8841 states and 26778 transitions. [2022-11-16 16:22:22,961 INFO L78 Accepts]: Start accepts. Automaton has 8841 states and 26778 transitions. Word has length 6 [2022-11-16 16:22:22,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:22,961 INFO L495 AbstractCegarLoop]: Abstraction has 8841 states and 26778 transitions. [2022-11-16 16:22:22,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 8841 states and 26778 transitions. [2022-11-16 16:22:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 16:22:22,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:22,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:22,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 16:22:22,968 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:22,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:22,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1180081928, now seen corresponding path program 1 times [2022-11-16 16:22:22,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:22,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530983323] [2022-11-16 16:22:22,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:22,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:23,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:23,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:23,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530983323] [2022-11-16 16:22:23,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530983323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:23,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:23,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:23,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010308453] [2022-11-16 16:22:23,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:23,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:23,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:23,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:23,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:23,166 INFO L87 Difference]: Start difference. First operand 8841 states and 26778 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:23,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:23,501 INFO L93 Difference]: Finished difference Result 14467 states and 44005 transitions. [2022-11-16 16:22:23,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:23,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 16:22:23,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:23,589 INFO L225 Difference]: With dead ends: 14467 [2022-11-16 16:22:23,590 INFO L226 Difference]: Without dead ends: 14467 [2022-11-16 16:22:23,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:23,591 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 72 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:23,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 92 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:22:23,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14467 states. [2022-11-16 16:22:23,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14467 to 9096. [2022-11-16 16:22:24,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9096 states, 8994 states have (on average 3.0900600400266844) internal successors, (27792), 9095 states have internal predecessors, (27792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9096 states to 9096 states and 27792 transitions. [2022-11-16 16:22:24,130 INFO L78 Accepts]: Start accepts. Automaton has 9096 states and 27792 transitions. Word has length 8 [2022-11-16 16:22:24,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:24,131 INFO L495 AbstractCegarLoop]: Abstraction has 9096 states and 27792 transitions. [2022-11-16 16:22:24,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 9096 states and 27792 transitions. [2022-11-16 16:22:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:22:24,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:24,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:24,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 16:22:24,134 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:24,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:24,134 INFO L85 PathProgramCache]: Analyzing trace with hash -369246413, now seen corresponding path program 1 times [2022-11-16 16:22:24,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:24,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193514205] [2022-11-16 16:22:24,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:24,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:24,564 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:24,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193514205] [2022-11-16 16:22:24,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193514205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:24,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:24,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 16:22:24,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641005616] [2022-11-16 16:22:24,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:24,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:22:24,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:24,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:22:24,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 16:22:24,566 INFO L87 Difference]: Start difference. First operand 9096 states and 27792 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:25,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:25,393 INFO L93 Difference]: Finished difference Result 14646 states and 44330 transitions. [2022-11-16 16:22:25,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:22:25,394 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-16 16:22:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:25,470 INFO L225 Difference]: With dead ends: 14646 [2022-11-16 16:22:25,470 INFO L226 Difference]: Without dead ends: 14646 [2022-11-16 16:22:25,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 16:22:25,471 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 278 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:25,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 259 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 16:22:25,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14646 states. [2022-11-16 16:22:25,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14646 to 13364. [2022-11-16 16:22:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13364 states, 13262 states have (on average 3.129920072387272) internal successors, (41509), 13363 states have internal predecessors, (41509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13364 states to 13364 states and 41509 transitions. [2022-11-16 16:22:26,052 INFO L78 Accepts]: Start accepts. Automaton has 13364 states and 41509 transitions. Word has length 10 [2022-11-16 16:22:26,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:26,053 INFO L495 AbstractCegarLoop]: Abstraction has 13364 states and 41509 transitions. [2022-11-16 16:22:26,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:26,053 INFO L276 IsEmpty]: Start isEmpty. Operand 13364 states and 41509 transitions. [2022-11-16 16:22:26,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 16:22:26,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:26,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:26,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 16:22:26,056 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:26,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:26,057 INFO L85 PathProgramCache]: Analyzing trace with hash -187331973, now seen corresponding path program 1 times [2022-11-16 16:22:26,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:26,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741411069] [2022-11-16 16:22:26,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:26,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:26,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:26,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741411069] [2022-11-16 16:22:26,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741411069] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:26,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:26,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:26,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543982652] [2022-11-16 16:22:26,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:26,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:26,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:26,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:26,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:26,133 INFO L87 Difference]: Start difference. First operand 13364 states and 41509 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:26,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:26,528 INFO L93 Difference]: Finished difference Result 14269 states and 43866 transitions. [2022-11-16 16:22:26,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:26,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-16 16:22:26,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:26,587 INFO L225 Difference]: With dead ends: 14269 [2022-11-16 16:22:26,587 INFO L226 Difference]: Without dead ends: 14269 [2022-11-16 16:22:26,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:26,589 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 80 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:26,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 53 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:22:26,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14269 states. [2022-11-16 16:22:27,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14269 to 13369. [2022-11-16 16:22:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13369 states, 13269 states have (on average 3.099932172733439) internal successors, (41133), 13368 states have internal predecessors, (41133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:27,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13369 states to 13369 states and 41133 transitions. [2022-11-16 16:22:27,106 INFO L78 Accepts]: Start accepts. Automaton has 13369 states and 41133 transitions. Word has length 10 [2022-11-16 16:22:27,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:27,106 INFO L495 AbstractCegarLoop]: Abstraction has 13369 states and 41133 transitions. [2022-11-16 16:22:27,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:27,107 INFO L276 IsEmpty]: Start isEmpty. Operand 13369 states and 41133 transitions. [2022-11-16 16:22:27,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 16:22:27,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:27,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:27,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 16:22:27,109 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:27,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:27,110 INFO L85 PathProgramCache]: Analyzing trace with hash -749331478, now seen corresponding path program 1 times [2022-11-16 16:22:27,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:27,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456969792] [2022-11-16 16:22:27,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:27,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:27,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:27,246 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:27,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456969792] [2022-11-16 16:22:27,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456969792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:27,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:27,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:27,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116773686] [2022-11-16 16:22:27,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:27,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:27,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:27,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:27,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:27,249 INFO L87 Difference]: Start difference. First operand 13369 states and 41133 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:27,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:27,549 INFO L93 Difference]: Finished difference Result 13583 states and 41771 transitions. [2022-11-16 16:22:27,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:27,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 16:22:27,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:27,605 INFO L225 Difference]: With dead ends: 13583 [2022-11-16 16:22:27,605 INFO L226 Difference]: Without dead ends: 13583 [2022-11-16 16:22:27,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:27,606 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 35 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:27,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 70 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:22:27,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13583 states. [2022-11-16 16:22:28,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13583 to 13583. [2022-11-16 16:22:28,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13583 states, 13483 states have (on average 3.0980493955351185) internal successors, (41771), 13582 states have internal predecessors, (41771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13583 states to 13583 states and 41771 transitions. [2022-11-16 16:22:28,328 INFO L78 Accepts]: Start accepts. Automaton has 13583 states and 41771 transitions. Word has length 12 [2022-11-16 16:22:28,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:28,330 INFO L495 AbstractCegarLoop]: Abstraction has 13583 states and 41771 transitions. [2022-11-16 16:22:28,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 13583 states and 41771 transitions. [2022-11-16 16:22:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 16:22:28,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:28,333 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:28,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 16:22:28,334 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:28,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:28,335 INFO L85 PathProgramCache]: Analyzing trace with hash -749674944, now seen corresponding path program 1 times [2022-11-16 16:22:28,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:28,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231799267] [2022-11-16 16:22:28,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:28,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:28,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:28,380 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:28,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231799267] [2022-11-16 16:22:28,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231799267] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:28,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:28,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:28,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817684437] [2022-11-16 16:22:28,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:28,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:28,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:28,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:28,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:28,383 INFO L87 Difference]: Start difference. First operand 13583 states and 41771 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:28,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:28,617 INFO L93 Difference]: Finished difference Result 14157 states and 43519 transitions. [2022-11-16 16:22:28,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:28,618 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-16 16:22:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:28,679 INFO L225 Difference]: With dead ends: 14157 [2022-11-16 16:22:28,679 INFO L226 Difference]: Without dead ends: 14157 [2022-11-16 16:22:28,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:28,681 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:28,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 85 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:22:28,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14157 states. [2022-11-16 16:22:29,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14157 to 13845. [2022-11-16 16:22:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13845 states, 13749 states have (on average 3.0964433777001963) internal successors, (42573), 13844 states have internal predecessors, (42573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:29,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13845 states to 13845 states and 42573 transitions. [2022-11-16 16:22:29,247 INFO L78 Accepts]: Start accepts. Automaton has 13845 states and 42573 transitions. Word has length 12 [2022-11-16 16:22:29,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:29,248 INFO L495 AbstractCegarLoop]: Abstraction has 13845 states and 42573 transitions. [2022-11-16 16:22:29,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 13845 states and 42573 transitions. [2022-11-16 16:22:29,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 16:22:29,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:29,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:29,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 16:22:29,251 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:29,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:29,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1643361907, now seen corresponding path program 1 times [2022-11-16 16:22:29,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:29,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540091515] [2022-11-16 16:22:29,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:29,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:29,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:29,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:29,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540091515] [2022-11-16 16:22:29,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540091515] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:29,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:29,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:29,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205063133] [2022-11-16 16:22:29,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:29,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:29,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:29,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:29,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:29,292 INFO L87 Difference]: Start difference. First operand 13845 states and 42573 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:29,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:29,710 INFO L93 Difference]: Finished difference Result 25181 states and 77859 transitions. [2022-11-16 16:22:29,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:29,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-16 16:22:29,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:29,791 INFO L225 Difference]: With dead ends: 25181 [2022-11-16 16:22:29,791 INFO L226 Difference]: Without dead ends: 25181 [2022-11-16 16:22:29,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:29,792 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 79 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:29,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 95 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:22:29,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25181 states. [2022-11-16 16:22:30,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25181 to 14177. [2022-11-16 16:22:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14177 states, 14085 states have (on average 3.0916577919772807) internal successors, (43546), 14176 states have internal predecessors, (43546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14177 states to 14177 states and 43546 transitions. [2022-11-16 16:22:30,385 INFO L78 Accepts]: Start accepts. Automaton has 14177 states and 43546 transitions. Word has length 13 [2022-11-16 16:22:30,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:30,386 INFO L495 AbstractCegarLoop]: Abstraction has 14177 states and 43546 transitions. [2022-11-16 16:22:30,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 14177 states and 43546 transitions. [2022-11-16 16:22:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 16:22:30,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:30,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:30,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 16:22:30,391 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:30,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:30,392 INFO L85 PathProgramCache]: Analyzing trace with hash 595412017, now seen corresponding path program 1 times [2022-11-16 16:22:30,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:30,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086949773] [2022-11-16 16:22:30,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:30,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:30,462 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:30,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086949773] [2022-11-16 16:22:30,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086949773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:30,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:30,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:22:30,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099467457] [2022-11-16 16:22:30,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:30,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:30,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:30,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:30,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:30,464 INFO L87 Difference]: Start difference. First operand 14177 states and 43546 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:30,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:30,869 INFO L93 Difference]: Finished difference Result 14643 states and 44934 transitions. [2022-11-16 16:22:30,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:30,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-16 16:22:30,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:30,918 INFO L225 Difference]: With dead ends: 14643 [2022-11-16 16:22:30,919 INFO L226 Difference]: Without dead ends: 14643 [2022-11-16 16:22:30,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:30,920 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 52 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:30,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 98 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:22:30,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14643 states. [2022-11-16 16:22:31,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14643 to 14643. [2022-11-16 16:22:31,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14643 states, 14551 states have (on average 3.0880351865851146) internal successors, (44934), 14642 states have internal predecessors, (44934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:31,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14643 states to 14643 states and 44934 transitions. [2022-11-16 16:22:31,411 INFO L78 Accepts]: Start accepts. Automaton has 14643 states and 44934 transitions. Word has length 14 [2022-11-16 16:22:31,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:31,411 INFO L495 AbstractCegarLoop]: Abstraction has 14643 states and 44934 transitions. [2022-11-16 16:22:31,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:31,411 INFO L276 IsEmpty]: Start isEmpty. Operand 14643 states and 44934 transitions. [2022-11-16 16:22:31,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 16:22:31,415 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:31,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:31,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 16:22:31,415 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:31,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:31,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1460766072, now seen corresponding path program 1 times [2022-11-16 16:22:31,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:31,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110514601] [2022-11-16 16:22:31,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:31,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:31,548 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:31,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110514601] [2022-11-16 16:22:31,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110514601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:31,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:31,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:31,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069319667] [2022-11-16 16:22:31,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:31,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:31,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:31,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:31,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:31,551 INFO L87 Difference]: Start difference. First operand 14643 states and 44934 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:32,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:32,269 INFO L93 Difference]: Finished difference Result 26941 states and 82894 transitions. [2022-11-16 16:22:32,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:32,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-16 16:22:32,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:32,346 INFO L225 Difference]: With dead ends: 26941 [2022-11-16 16:22:32,346 INFO L226 Difference]: Without dead ends: 26941 [2022-11-16 16:22:32,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:32,347 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 70 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:32,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 83 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 16:22:32,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26941 states. [2022-11-16 16:22:32,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26941 to 14979. [2022-11-16 16:22:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14979 states, 14891 states have (on average 3.083674702840642) internal successors, (45919), 14978 states have internal predecessors, (45919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14979 states to 14979 states and 45919 transitions. [2022-11-16 16:22:32,733 INFO L78 Accepts]: Start accepts. Automaton has 14979 states and 45919 transitions. Word has length 15 [2022-11-16 16:22:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:32,733 INFO L495 AbstractCegarLoop]: Abstraction has 14979 states and 45919 transitions. [2022-11-16 16:22:32,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 14979 states and 45919 transitions. [2022-11-16 16:22:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 16:22:32,737 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:32,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:32,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 16:22:32,744 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:32,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:32,745 INFO L85 PathProgramCache]: Analyzing trace with hash 264563350, now seen corresponding path program 1 times [2022-11-16 16:22:32,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:32,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106237664] [2022-11-16 16:22:32,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:32,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:32,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:32,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106237664] [2022-11-16 16:22:32,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106237664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:32,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:32,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:32,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853841246] [2022-11-16 16:22:32,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:32,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:32,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:32,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:32,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:32,789 INFO L87 Difference]: Start difference. First operand 14979 states and 45919 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:33,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:33,194 INFO L93 Difference]: Finished difference Result 15481 states and 47457 transitions. [2022-11-16 16:22:33,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:33,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-16 16:22:33,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:33,253 INFO L225 Difference]: With dead ends: 15481 [2022-11-16 16:22:33,253 INFO L226 Difference]: Without dead ends: 15481 [2022-11-16 16:22:33,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:33,254 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 40 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:33,255 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 83 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 16:22:33,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15481 states. [2022-11-16 16:22:33,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15481 to 15181. [2022-11-16 16:22:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15181 states, 15101 states have (on average 3.082312429640421) internal successors, (46546), 15180 states have internal predecessors, (46546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15181 states to 15181 states and 46546 transitions. [2022-11-16 16:22:33,598 INFO L78 Accepts]: Start accepts. Automaton has 15181 states and 46546 transitions. Word has length 15 [2022-11-16 16:22:33,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:33,598 INFO L495 AbstractCegarLoop]: Abstraction has 15181 states and 46546 transitions. [2022-11-16 16:22:33,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 15181 states and 46546 transitions. [2022-11-16 16:22:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 16:22:33,600 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:33,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:33,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 16:22:33,601 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:33,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1815949122, now seen corresponding path program 1 times [2022-11-16 16:22:33,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:33,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858271547] [2022-11-16 16:22:33,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:33,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:34,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:34,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:34,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858271547] [2022-11-16 16:22:34,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858271547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:34,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:34,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:22:34,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056499484] [2022-11-16 16:22:34,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:34,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 16:22:34,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:34,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 16:22:34,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:22:34,021 INFO L87 Difference]: Start difference. First operand 15181 states and 46546 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:34,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:34,404 INFO L93 Difference]: Finished difference Result 15325 states and 46989 transitions. [2022-11-16 16:22:34,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:22:34,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-16 16:22:34,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:34,456 INFO L225 Difference]: With dead ends: 15325 [2022-11-16 16:22:34,456 INFO L226 Difference]: Without dead ends: 15325 [2022-11-16 16:22:34,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 16:22:34,457 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 111 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:34,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 83 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 16:22:34,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15325 states. [2022-11-16 16:22:34,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15325 to 15165. [2022-11-16 16:22:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15165 states, 15093 states have (on average 3.0826210826210825) internal successors, (46526), 15164 states have internal predecessors, (46526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15165 states to 15165 states and 46526 transitions. [2022-11-16 16:22:34,793 INFO L78 Accepts]: Start accepts. Automaton has 15165 states and 46526 transitions. Word has length 16 [2022-11-16 16:22:34,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:34,793 INFO L495 AbstractCegarLoop]: Abstraction has 15165 states and 46526 transitions. [2022-11-16 16:22:34,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 15165 states and 46526 transitions. [2022-11-16 16:22:34,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 16:22:34,797 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:34,797 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:34,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 16:22:34,798 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:34,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:34,798 INFO L85 PathProgramCache]: Analyzing trace with hash 626263142, now seen corresponding path program 1 times [2022-11-16 16:22:34,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:34,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691209089] [2022-11-16 16:22:34,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:34,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:34,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:34,868 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:34,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691209089] [2022-11-16 16:22:34,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691209089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:34,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:34,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:22:34,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827446166] [2022-11-16 16:22:34,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:34,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:34,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:34,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:34,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:34,871 INFO L87 Difference]: Start difference. First operand 15165 states and 46526 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:35,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:35,331 INFO L93 Difference]: Finished difference Result 26775 states and 81867 transitions. [2022-11-16 16:22:35,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:35,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-16 16:22:35,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:35,444 INFO L225 Difference]: With dead ends: 26775 [2022-11-16 16:22:35,444 INFO L226 Difference]: Without dead ends: 26775 [2022-11-16 16:22:35,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:35,445 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 76 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:35,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 88 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 16:22:35,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26775 states. [2022-11-16 16:22:35,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26775 to 15349. [2022-11-16 16:22:35,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15349 states, 15277 states have (on average 3.081167768540944) internal successors, (47071), 15348 states have internal predecessors, (47071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:35,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15349 states to 15349 states and 47071 transitions. [2022-11-16 16:22:35,984 INFO L78 Accepts]: Start accepts. Automaton has 15349 states and 47071 transitions. Word has length 17 [2022-11-16 16:22:35,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:35,984 INFO L495 AbstractCegarLoop]: Abstraction has 15349 states and 47071 transitions. [2022-11-16 16:22:35,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:35,985 INFO L276 IsEmpty]: Start isEmpty. Operand 15349 states and 47071 transitions. [2022-11-16 16:22:35,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 16:22:35,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:35,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:35,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 16:22:35,994 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:35,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:35,994 INFO L85 PathProgramCache]: Analyzing trace with hash -972184004, now seen corresponding path program 1 times [2022-11-16 16:22:35,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:35,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259937615] [2022-11-16 16:22:35,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:35,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:36,088 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:36,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259937615] [2022-11-16 16:22:36,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259937615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:36,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:36,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:22:36,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233502035] [2022-11-16 16:22:36,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:36,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 16:22:36,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:36,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 16:22:36,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:22:36,090 INFO L87 Difference]: Start difference. First operand 15349 states and 47071 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:36,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:36,481 INFO L93 Difference]: Finished difference Result 22853 states and 69630 transitions. [2022-11-16 16:22:36,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 16:22:36,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-16 16:22:36,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:36,737 INFO L225 Difference]: With dead ends: 22853 [2022-11-16 16:22:36,750 INFO L226 Difference]: Without dead ends: 22847 [2022-11-16 16:22:36,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 16:22:36,751 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 104 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:36,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 127 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:22:36,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22847 states. [2022-11-16 16:22:37,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22847 to 21883. [2022-11-16 16:22:37,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21883 states, 21805 states have (on average 3.1065810593900482) internal successors, (67739), 21882 states have internal predecessors, (67739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21883 states to 21883 states and 67739 transitions. [2022-11-16 16:22:37,267 INFO L78 Accepts]: Start accepts. Automaton has 21883 states and 67739 transitions. Word has length 17 [2022-11-16 16:22:37,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:37,268 INFO L495 AbstractCegarLoop]: Abstraction has 21883 states and 67739 transitions. [2022-11-16 16:22:37,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 21883 states and 67739 transitions. [2022-11-16 16:22:37,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 16:22:37,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:37,271 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:37,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 16:22:37,272 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting t1Err8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:37,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:37,272 INFO L85 PathProgramCache]: Analyzing trace with hash 610024676, now seen corresponding path program 1 times [2022-11-16 16:22:37,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:37,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417838239] [2022-11-16 16:22:37,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:37,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:37,291 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 16:22:37,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1689733805] [2022-11-16 16:22:37,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:37,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:22:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:22:37,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:22:37,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 16:22:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:37,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 16:22:37,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:22:37,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:37,492 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:22:37,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:37,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417838239] [2022-11-16 16:22:37,492 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 16:22:37,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689733805] [2022-11-16 16:22:37,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689733805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:37,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:37,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:37,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452045502] [2022-11-16 16:22:37,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:37,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:37,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:37,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:37,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:37,494 INFO L87 Difference]: Start difference. First operand 21883 states and 67739 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:37,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:37,805 INFO L93 Difference]: Finished difference Result 22887 states and 70827 transitions. [2022-11-16 16:22:37,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:37,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-16 16:22:37,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:37,896 INFO L225 Difference]: With dead ends: 22887 [2022-11-16 16:22:37,897 INFO L226 Difference]: Without dead ends: 22887 [2022-11-16 16:22:37,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:37,901 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 41 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:37,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 83 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:22:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22887 states. [2022-11-16 16:22:38,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22887 to 22299. [2022-11-16 16:22:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22299 states, 22229 states have (on average 3.1047730442215125) internal successors, (69016), 22298 states have internal predecessors, (69016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:38,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22299 states to 22299 states and 69016 transitions. [2022-11-16 16:22:38,743 INFO L78 Accepts]: Start accepts. Automaton has 22299 states and 69016 transitions. Word has length 17 [2022-11-16 16:22:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:38,743 INFO L495 AbstractCegarLoop]: Abstraction has 22299 states and 69016 transitions. [2022-11-16 16:22:38,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 22299 states and 69016 transitions. [2022-11-16 16:22:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 16:22:38,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:38,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:38,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 16:22:38,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:22:38,953 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t1Err13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:38,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:38,954 INFO L85 PathProgramCache]: Analyzing trace with hash 342654355, now seen corresponding path program 1 times [2022-11-16 16:22:38,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:38,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101583210] [2022-11-16 16:22:38,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:38,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:39,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:39,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101583210] [2022-11-16 16:22:39,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101583210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:39,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:39,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:39,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879075576] [2022-11-16 16:22:39,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:39,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:39,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:39,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:39,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:39,005 INFO L87 Difference]: Start difference. First operand 22299 states and 69016 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:39,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:39,270 INFO L93 Difference]: Finished difference Result 22489 states and 69596 transitions. [2022-11-16 16:22:39,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:39,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-16 16:22:39,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:39,333 INFO L225 Difference]: With dead ends: 22489 [2022-11-16 16:22:39,333 INFO L226 Difference]: Without dead ends: 22489 [2022-11-16 16:22:39,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:39,334 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 38 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:39,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 84 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:22:39,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22489 states. [2022-11-16 16:22:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22489 to 22489. [2022-11-16 16:22:39,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22489 states, 22427 states have (on average 3.1032237927498105) internal successors, (69596), 22488 states have internal predecessors, (69596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:39,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22489 states to 22489 states and 69596 transitions. [2022-11-16 16:22:39,966 INFO L78 Accepts]: Start accepts. Automaton has 22489 states and 69596 transitions. Word has length 18 [2022-11-16 16:22:39,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:39,966 INFO L495 AbstractCegarLoop]: Abstraction has 22489 states and 69596 transitions. [2022-11-16 16:22:39,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:39,966 INFO L276 IsEmpty]: Start isEmpty. Operand 22489 states and 69596 transitions. [2022-11-16 16:22:39,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 16:22:39,970 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:39,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:39,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 16:22:39,971 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:39,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:39,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1599510526, now seen corresponding path program 1 times [2022-11-16 16:22:39,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:39,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334708294] [2022-11-16 16:22:39,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:39,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:40,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:40,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:40,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334708294] [2022-11-16 16:22:40,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334708294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:40,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:40,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 16:22:40,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302955460] [2022-11-16 16:22:40,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:40,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 16:22:40,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:40,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 16:22:40,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-11-16 16:22:40,396 INFO L87 Difference]: Start difference. First operand 22489 states and 69596 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:41,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:41,488 INFO L93 Difference]: Finished difference Result 20878 states and 64466 transitions. [2022-11-16 16:22:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 16:22:41,489 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-16 16:22:41,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:41,558 INFO L225 Difference]: With dead ends: 20878 [2022-11-16 16:22:41,558 INFO L226 Difference]: Without dead ends: 20878 [2022-11-16 16:22:41,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-11-16 16:22:41,559 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 352 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:41,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 322 Invalid, 725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 16:22:41,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20878 states. [2022-11-16 16:22:41,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20878 to 14434. [2022-11-16 16:22:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14434 states, 14399 states have (on average 3.0520175012153623) internal successors, (43946), 14433 states have internal predecessors, (43946), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14434 states to 14434 states and 43946 transitions. [2022-11-16 16:22:42,020 INFO L78 Accepts]: Start accepts. Automaton has 14434 states and 43946 transitions. Word has length 19 [2022-11-16 16:22:42,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:42,021 INFO L495 AbstractCegarLoop]: Abstraction has 14434 states and 43946 transitions. [2022-11-16 16:22:42,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:42,022 INFO L276 IsEmpty]: Start isEmpty. Operand 14434 states and 43946 transitions. [2022-11-16 16:22:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 16:22:42,027 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:42,027 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:42,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 16:22:42,028 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting t2Err9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:42,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:42,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1197728829, now seen corresponding path program 1 times [2022-11-16 16:22:42,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:42,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668560417] [2022-11-16 16:22:42,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:42,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:42,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:42,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:42,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:42,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668560417] [2022-11-16 16:22:42,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668560417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:42,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:42,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:42,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612668653] [2022-11-16 16:22:42,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:42,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:42,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:42,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:42,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:42,088 INFO L87 Difference]: Start difference. First operand 14434 states and 43946 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:42,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:42,351 INFO L93 Difference]: Finished difference Result 14539 states and 44051 transitions. [2022-11-16 16:22:42,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:42,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-11-16 16:22:42,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:42,411 INFO L225 Difference]: With dead ends: 14539 [2022-11-16 16:22:42,411 INFO L226 Difference]: Without dead ends: 14539 [2022-11-16 16:22:42,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:42,413 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 50 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:42,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 90 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:22:42,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14539 states. [2022-11-16 16:22:42,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14539 to 14539. [2022-11-16 16:22:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14539 states, 14510 states have (on average 3.035906271536871) internal successors, (44051), 14538 states have internal predecessors, (44051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14539 states to 14539 states and 44051 transitions. [2022-11-16 16:22:42,793 INFO L78 Accepts]: Start accepts. Automaton has 14539 states and 44051 transitions. Word has length 21 [2022-11-16 16:22:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:42,793 INFO L495 AbstractCegarLoop]: Abstraction has 14539 states and 44051 transitions. [2022-11-16 16:22:42,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 14539 states and 44051 transitions. [2022-11-16 16:22:42,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 16:22:42,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:42,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:42,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 16:22:42,800 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:42,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:42,802 INFO L85 PathProgramCache]: Analyzing trace with hash 2124214582, now seen corresponding path program 1 times [2022-11-16 16:22:42,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:42,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383855458] [2022-11-16 16:22:42,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:43,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:43,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383855458] [2022-11-16 16:22:43,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383855458] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:22:43,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601521923] [2022-11-16 16:22:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:43,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:22:43,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:22:43,017 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:22:43,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 16:22:43,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:43,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 16:22:43,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:22:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:43,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 16:22:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:43,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601521923] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 16:22:43,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [440361381] [2022-11-16 16:22:43,261 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 16:22:43,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 16:22:43,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-11-16 16:22:43,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746064178] [2022-11-16 16:22:43,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 16:22:43,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 16:22:43,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:43,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 16:22:43,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-16 16:22:43,266 INFO L87 Difference]: Start difference. First operand 14539 states and 44051 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:43,916 INFO L93 Difference]: Finished difference Result 49667 states and 151107 transitions. [2022-11-16 16:22:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:22:43,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-16 16:22:43,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:44,084 INFO L225 Difference]: With dead ends: 49667 [2022-11-16 16:22:44,084 INFO L226 Difference]: Without dead ends: 49667 [2022-11-16 16:22:44,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-11-16 16:22:44,085 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 730 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 730 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:44,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [730 Valid, 198 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 16:22:44,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49667 states. [2022-11-16 16:22:44,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49667 to 45593. [2022-11-16 16:22:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45593 states, 45564 states have (on average 3.1387937845667633) internal successors, (143016), 45592 states have internal predecessors, (143016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:45,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45593 states to 45593 states and 143016 transitions. [2022-11-16 16:22:45,167 INFO L78 Accepts]: Start accepts. Automaton has 45593 states and 143016 transitions. Word has length 22 [2022-11-16 16:22:45,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:45,167 INFO L495 AbstractCegarLoop]: Abstraction has 45593 states and 143016 transitions. [2022-11-16 16:22:45,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:45,168 INFO L276 IsEmpty]: Start isEmpty. Operand 45593 states and 143016 transitions. [2022-11-16 16:22:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 16:22:45,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:45,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:45,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-16 16:22:45,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:22:45,379 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting t1Err11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:45,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:45,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1213362127, now seen corresponding path program 1 times [2022-11-16 16:22:45,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:45,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006210887] [2022-11-16 16:22:45,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:45,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:45,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:45,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:45,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006210887] [2022-11-16 16:22:45,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006210887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:45,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:45,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 16:22:45,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573431143] [2022-11-16 16:22:45,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:45,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:45,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:45,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:45,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:45,488 INFO L87 Difference]: Start difference. First operand 45593 states and 143016 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:45,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:45,623 INFO L93 Difference]: Finished difference Result 7184 states and 18560 transitions. [2022-11-16 16:22:45,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:45,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-16 16:22:45,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:45,640 INFO L225 Difference]: With dead ends: 7184 [2022-11-16 16:22:45,640 INFO L226 Difference]: Without dead ends: 7016 [2022-11-16 16:22:45,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:45,641 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 61 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:45,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 42 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:22:45,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7016 states. [2022-11-16 16:22:45,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7016 to 6261. [2022-11-16 16:22:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6261 states, 6256 states have (on average 2.563299232736573) internal successors, (16036), 6260 states have internal predecessors, (16036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6261 states to 6261 states and 16036 transitions. [2022-11-16 16:22:45,770 INFO L78 Accepts]: Start accepts. Automaton has 6261 states and 16036 transitions. Word has length 22 [2022-11-16 16:22:45,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:45,770 INFO L495 AbstractCegarLoop]: Abstraction has 6261 states and 16036 transitions. [2022-11-16 16:22:45,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand 6261 states and 16036 transitions. [2022-11-16 16:22:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-16 16:22:45,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:45,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:45,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 16:22:45,775 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting t2Err10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:45,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:45,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1050441198, now seen corresponding path program 1 times [2022-11-16 16:22:45,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:45,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501372431] [2022-11-16 16:22:45,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:45,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:45,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:45,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:45,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501372431] [2022-11-16 16:22:45,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501372431] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:45,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 16:22:45,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 16:22:45,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395918610] [2022-11-16 16:22:45,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:45,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 16:22:45,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:45,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 16:22:45,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:45,815 INFO L87 Difference]: Start difference. First operand 6261 states and 16036 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:45,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:45,990 INFO L93 Difference]: Finished difference Result 6212 states and 15811 transitions. [2022-11-16 16:22:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 16:22:45,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-11-16 16:22:45,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:46,003 INFO L225 Difference]: With dead ends: 6212 [2022-11-16 16:22:46,003 INFO L226 Difference]: Without dead ends: 6122 [2022-11-16 16:22:46,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 16:22:46,004 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 17 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:46,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 53 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 16:22:46,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2022-11-16 16:22:46,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6122. [2022-11-16 16:22:46,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6122 states, 6120 states have (on average 2.5527777777777776) internal successors, (15623), 6121 states have internal predecessors, (15623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 6122 states and 15623 transitions. [2022-11-16 16:22:46,093 INFO L78 Accepts]: Start accepts. Automaton has 6122 states and 15623 transitions. Word has length 24 [2022-11-16 16:22:46,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:46,094 INFO L495 AbstractCegarLoop]: Abstraction has 6122 states and 15623 transitions. [2022-11-16 16:22:46,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:46,094 INFO L276 IsEmpty]: Start isEmpty. Operand 6122 states and 15623 transitions. [2022-11-16 16:22:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 16:22:46,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 16:22:46,100 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:46,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 16:22:46,101 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 57 more)] === [2022-11-16 16:22:46,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 16:22:46,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1594763174, now seen corresponding path program 2 times [2022-11-16 16:22:46,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 16:22:46,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470594838] [2022-11-16 16:22:46,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 16:22:46,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 16:22:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 16:22:46,224 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 16:22:46,224 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 16:22:46,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470594838] [2022-11-16 16:22:46,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470594838] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 16:22:46,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413446375] [2022-11-16 16:22:46,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 16:22:46,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:22:46,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 16:22:46,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 16:22:46,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 16:22:46,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-16 16:22:46,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 16:22:46,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 16:22:46,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 16:22:46,484 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-16 16:22:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:22:46,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-16 16:22:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:22:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:22:46,542 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-16 16:22:46,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-16 16:22:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-11-16 16:22:46,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 16:22:46,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413446375] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 16:22:46,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 16:22:46,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 11 [2022-11-16 16:22:46,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386632210] [2022-11-16 16:22:46,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 16:22:46,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 16:22:46,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 16:22:46,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 16:22:46,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-16 16:22:46,571 INFO L87 Difference]: Start difference. First operand 6122 states and 15623 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:46,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 16:22:46,824 INFO L93 Difference]: Finished difference Result 6073 states and 15519 transitions. [2022-11-16 16:22:46,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 16:22:46,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-11-16 16:22:46,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 16:22:46,825 INFO L225 Difference]: With dead ends: 6073 [2022-11-16 16:22:46,825 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 16:22:46,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-16 16:22:46,826 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 127 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 16:22:46,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 63 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 16:22:46,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 16:22:46,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 16:22:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 16:22:46,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2022-11-16 16:22:46,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 16:22:46,827 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 16:22:46,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 16:22:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 16:22:46,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 16:22:46,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (59 of 60 remaining) [2022-11-16 16:22:46,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (58 of 60 remaining) [2022-11-16 16:22:46,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (57 of 60 remaining) [2022-11-16 16:22:46,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (56 of 60 remaining) [2022-11-16 16:22:46,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (55 of 60 remaining) [2022-11-16 16:22:46,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (54 of 60 remaining) [2022-11-16 16:22:46,830 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (53 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (52 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (51 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (50 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (49 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (48 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (47 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (46 of 60 remaining) [2022-11-16 16:22:46,831 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (45 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (44 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (43 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (42 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (41 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (40 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (39 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (38 of 60 remaining) [2022-11-16 16:22:46,832 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (37 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err13ASSERT_VIOLATIONDATA_RACE (36 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (35 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (34 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (33 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (32 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (31 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (30 of 60 remaining) [2022-11-16 16:22:46,833 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (29 of 60 remaining) [2022-11-16 16:22:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (28 of 60 remaining) [2022-11-16 16:22:46,834 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (27 of 60 remaining) [2022-11-16 16:22:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (26 of 60 remaining) [2022-11-16 16:22:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err10ASSERT_VIOLATIONDATA_RACE (25 of 60 remaining) [2022-11-16 16:22:46,836 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (24 of 60 remaining) [2022-11-16 16:22:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (23 of 60 remaining) [2022-11-16 16:22:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err2ASSERT_VIOLATIONDATA_RACE (22 of 60 remaining) [2022-11-16 16:22:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err3ASSERT_VIOLATIONDATA_RACE (21 of 60 remaining) [2022-11-16 16:22:46,837 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err4ASSERT_VIOLATIONDATA_RACE (20 of 60 remaining) [2022-11-16 16:22:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err5ASSERT_VIOLATIONDATA_RACE (19 of 60 remaining) [2022-11-16 16:22:46,838 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err6ASSERT_VIOLATIONDATA_RACE (18 of 60 remaining) [2022-11-16 16:22:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err11ASSERT_VIOLATIONDATA_RACE (17 of 60 remaining) [2022-11-16 16:22:46,839 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err7ASSERT_VIOLATIONDATA_RACE (16 of 60 remaining) [2022-11-16 16:22:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err8ASSERT_VIOLATIONDATA_RACE (15 of 60 remaining) [2022-11-16 16:22:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err12ASSERT_VIOLATIONDATA_RACE (14 of 60 remaining) [2022-11-16 16:22:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err9ASSERT_VIOLATIONDATA_RACE (13 of 60 remaining) [2022-11-16 16:22:46,840 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err10ASSERT_VIOLATIONDATA_RACE (12 of 60 remaining) [2022-11-16 16:22:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t1Err13ASSERT_VIOLATIONDATA_RACE (11 of 60 remaining) [2022-11-16 16:22:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (10 of 60 remaining) [2022-11-16 16:22:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (9 of 60 remaining) [2022-11-16 16:22:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err2ASSERT_VIOLATIONDATA_RACE (8 of 60 remaining) [2022-11-16 16:22:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err3ASSERT_VIOLATIONDATA_RACE (7 of 60 remaining) [2022-11-16 16:22:46,841 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err4ASSERT_VIOLATIONDATA_RACE (6 of 60 remaining) [2022-11-16 16:22:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err8ASSERT_VIOLATIONDATA_RACE (5 of 60 remaining) [2022-11-16 16:22:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err5ASSERT_VIOLATIONDATA_RACE (4 of 60 remaining) [2022-11-16 16:22:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err6ASSERT_VIOLATIONDATA_RACE (3 of 60 remaining) [2022-11-16 16:22:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err9ASSERT_VIOLATIONDATA_RACE (2 of 60 remaining) [2022-11-16 16:22:46,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err7ASSERT_VIOLATIONDATA_RACE (1 of 60 remaining) [2022-11-16 16:22:46,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t2Err10ASSERT_VIOLATIONDATA_RACE (0 of 60 remaining) [2022-11-16 16:22:46,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 16:22:47,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 16:22:47,051 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 16:22:47,056 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 16:22:47,057 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 16:22:47,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 04:22:47 BasicIcfg [2022-11-16 16:22:47,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 16:22:47,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 16:22:47,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 16:22:47,062 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 16:22:47,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 04:21:57" (3/4) ... [2022-11-16 16:22:47,065 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 16:22:47,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1 [2022-11-16 16:22:47,071 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2 [2022-11-16 16:22:47,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-16 16:22:47,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 16:22:47,076 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 16:22:47,077 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 16:22:47,120 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 16:22:47,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 16:22:47,121 INFO L158 Benchmark]: Toolchain (without parser) took 51033.39ms. Allocated memory was 117.4MB in the beginning and 10.6GB in the end (delta: 10.5GB). Free memory was 82.5MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-16 16:22:47,122 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 16:22:47,122 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.69ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.2MB in the end (delta: 1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 16:22:47,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.80ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:22:47,123 INFO L158 Benchmark]: Boogie Preprocessor took 60.20ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:22:47,123 INFO L158 Benchmark]: RCFGBuilder took 901.11ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 83.9MB in the end (delta: -7.6MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-16 16:22:47,124 INFO L158 Benchmark]: TraceAbstraction took 49207.68ms. Allocated memory was 117.4MB in the beginning and 10.6GB in the end (delta: 10.5GB). Free memory was 83.5MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-16 16:22:47,127 INFO L158 Benchmark]: Witness Printer took 59.19ms. Allocated memory is still 10.6GB. Free memory was 9.5GB in the beginning and 9.5GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 16:22:47,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 59.7MB in the beginning and 59.7MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.69ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.2MB in the end (delta: 1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.80ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.20ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 901.11ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 83.9MB in the end (delta: -7.6MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 49207.68ms. Allocated memory was 117.4MB in the beginning and 10.6GB in the end (delta: 10.5GB). Free memory was 83.5MB in the beginning and 9.5GB in the end (delta: -9.4GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * Witness Printer took 59.19ms. Allocated memory is still 10.6GB. Free memory was 9.5GB in the beginning and 9.5GB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21.5s, 292 PlacesBefore, 111 PlacesAfterwards, 298 TransitionsBefore, 113 TransitionsAfterwards, 23022 CoEnabledTransitionPairs, 17 FixpointIterations, 105 TrivialSequentialCompositions, 209 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 21 ConcurrentYvCompositions, 4 ChoiceCompositions, 339 TotalNumberOfCompositions, 163934 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81381, independent: 78999, independent conditional: 0, independent unconditional: 78999, dependent: 2317, dependent conditional: 0, dependent unconditional: 2317, unknown: 65, unknown conditional: 0, unknown unconditional: 65] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18875, independent: 18674, independent conditional: 0, independent unconditional: 18674, dependent: 196, dependent conditional: 0, dependent unconditional: 196, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18875, independent: 18065, independent conditional: 0, independent unconditional: 18065, dependent: 810, dependent conditional: 0, dependent unconditional: 810, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 810, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 196, dependent conditional: 0, dependent unconditional: 196, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11813, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 544, dependent conditional: 0, dependent unconditional: 544, unknown: 10613, unknown conditional: 0, unknown unconditional: 10613] ], Cache Queries: [ total: 81381, independent: 60325, independent conditional: 0, independent unconditional: 60325, dependent: 2121, dependent conditional: 0, dependent unconditional: 2121, unknown: 18935, unknown conditional: 0, unknown unconditional: 18935] , Statistics on independence cache: Total cache size (in pairs): 3267, Positive cache size: 3161, Positive conditional cache size: 0, Positive unconditional cache size: 3161, Negative cache size: 106, Negative conditional cache size: 0, Negative unconditional cache size: 106, Unknown cache size: 2, Unknown conditional cache size: 0, Unknown unconditional cache size: 2 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 761]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 762]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 765]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 766]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 728]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 708]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 732]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 733]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 734]: 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: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 748]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 750]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 751]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 462 locations, 60 error locations. Started 1 CEGAR loops. OverallTime: 49.0s, OverallIterations: 22, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 22.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2527 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2527 mSDsluCounter, 2276 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1061 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4129 IncrementalHoareTripleChecker+Invalid, 4217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 1215 mSDtfsCounter, 4129 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45593occurred in iteration=19, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 10.9s AutomataMinimizationTime, 22 MinimizatonAttempts, 61841 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 405 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 1189 SizeOfPredicates, 1 NumberOfNonLiveVariables, 643 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 25 InterpolantComputations, 21 PerfectInterpolantSequences, 34/71 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 33 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-16 16:22:47,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7203a5ab-a48f-41dc-8284-92fe0286680c/bin/utaipan-Xvt2sAort0/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