./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7 --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 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:16:12,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:16:12,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:16:12,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:16:12,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:16:12,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:16:12,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:16:12,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:16:12,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:16:12,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:16:12,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:16:12,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:16:12,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:16:12,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:16:12,659 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:16:12,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:16:12,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:16:12,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:16:12,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:16:12,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:16:12,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:16:12,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:16:12,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:16:12,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:16:12,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:16:12,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:16:12,693 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:16:12,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:16:12,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:16:12,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:16:12,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:16:12,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:16:12,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:16:12,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:16:12,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:16:12,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:16:12,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:16:12,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:16:12,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:16:12,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:16:12,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:16:12,709 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 18:16:12,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:16:12,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:16:12,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:16:12,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:16:12,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:16:12,766 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:16:12,766 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:16:12,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:16:12,766 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:16:12,767 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:16:12,768 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:16:12,768 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:16:12,768 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:16:12,769 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:16:12,769 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:16:12,769 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:16:12,769 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:16:12,770 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:16:12,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:16:12,771 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:16:12,771 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:16:12,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:16:12,772 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:16:12,772 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:16:12,772 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:16:12,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:16:12,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:16:12,773 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 18:16:12,773 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:16:12,773 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:16:12,774 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:16:12,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:16:12,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:16:12,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:16:12,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:16:12,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:16:12,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:16:12,775 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:16:12,776 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:16:12,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:16:12,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:16:12,776 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:16:12,777 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:16:12,779 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68b918b5051efa1a4363a7cd528e42e31cd4f687fef5116849d37b2131e9c46c [2021-11-25 18:16:13,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:16:13,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:16:13,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:16:13,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:16:13,100 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:16:13,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2021-11-25 18:16:13,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/data/fc5237fb7/351b186a6b0f4214a03ba1ad070e5413/FLAGf0fd81288 [2021-11-25 18:16:13,745 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:16:13,756 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/sv-benchmarks/c/goblint-regression/09-regions_02-list_nr.i [2021-11-25 18:16:13,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/data/fc5237fb7/351b186a6b0f4214a03ba1ad070e5413/FLAGf0fd81288 [2021-11-25 18:16:13,996 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/data/fc5237fb7/351b186a6b0f4214a03ba1ad070e5413 [2021-11-25 18:16:13,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:16:14,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:16:14,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:16:14,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:16:14,016 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:16:14,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:16:13" (1/1) ... [2021-11-25 18:16:14,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51496bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14, skipping insertion in model container [2021-11-25 18:16:14,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:16:13" (1/1) ... [2021-11-25 18:16:14,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:16:14,095 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:16:14,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:16:14,790 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:16:14,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:16:14,932 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:16:14,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14 WrapperNode [2021-11-25 18:16:14,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:16:14,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:16:14,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:16:14,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:16:14,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:14,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,043 INFO L137 Inliner]: procedures = 368, calls = 34, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 177 [2021-11-25 18:16:15,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:16:15,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:16:15,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:16:15,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:16:15,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:16:15,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:16:15,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:16:15,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:16:15,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (1/1) ... [2021-11-25 18:16:15,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:16:15,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:16:15,182 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:16:15,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:16:15,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:16:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:16:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:16:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:16:15,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:16:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 18:16:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:16:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:16:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:16:15,235 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 18:16:15,235 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 18:16:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:16:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:16:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:16:15,237 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 18:16:15,425 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:16:15,427 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:16:15,889 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:16:15,900 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:16:15,900 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:16:15,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:16:15 BoogieIcfgContainer [2021-11-25 18:16:15,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:16:15,906 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:16:15,906 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:16:15,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:16:15,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:16:13" (1/3) ... [2021-11-25 18:16:15,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15376603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:16:15, skipping insertion in model container [2021-11-25 18:16:15,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:16:14" (2/3) ... [2021-11-25 18:16:15,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15376603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:16:15, skipping insertion in model container [2021-11-25 18:16:15,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:16:15" (3/3) ... [2021-11-25 18:16:15,926 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_02-list_nr.i [2021-11-25 18:16:15,931 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 18:16:15,940 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:16:15,941 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-11-25 18:16:15,941 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 18:16:16,007 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,008 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,009 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,010 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,011 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,018 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,032 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,033 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,037 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,038 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,041 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,042 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,043 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,044 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,045 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,046 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,047 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,048 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,049 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,050 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,051 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,052 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,053 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,054 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,055 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,056 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,057 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,058 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,059 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,060 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,061 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,062 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,063 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,066 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,067 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,068 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,069 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,070 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,071 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:16:16,089 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-25 18:16:16,151 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:16:16,164 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:16:16,165 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2021-11-25 18:16:16,197 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 18:16:16,217 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 209 transitions, 423 flow [2021-11-25 18:16:16,225 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 209 transitions, 423 flow [2021-11-25 18:16:16,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 209 transitions, 423 flow [2021-11-25 18:16:16,354 INFO L129 PetriNetUnfolder]: 0/208 cut-off events. [2021-11-25 18:16:16,354 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-25 18:16:16,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 212 conditions, 208 events. 0/208 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-25 18:16:16,364 INFO L116 LiptonReduction]: Number of co-enabled transitions 4288 [2021-11-25 18:16:38,630 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 108 DAG size of output: 106 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:17:54,415 WARN L227 SmtUtils]: Spent 40.24s on a formula simplification that was a NOOP. DAG size: 293 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:18:07,686 WARN L227 SmtUtils]: Spent 13.27s on a formula simplification that was a NOOP. DAG size: 267 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:18:24,883 WARN L227 SmtUtils]: Spent 17.19s on a formula simplification that was a NOOP. DAG size: 293 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:18:38,068 WARN L227 SmtUtils]: Spent 13.18s on a formula simplification that was a NOOP. DAG size: 267 (called from [L 271] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-25 18:18:38,280 INFO L131 LiptonReduction]: Checked pairs total: 59593 [2021-11-25 18:18:38,281 INFO L133 LiptonReduction]: Total number of compositions: 220 [2021-11-25 18:18:38,293 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 72 places, 68 transitions, 141 flow [2021-11-25 18:18:38,354 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:38,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:38,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-25 18:18:38,363 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:38,364 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-25 18:18:38,364 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:38,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:38,369 INFO L85 PathProgramCache]: Analyzing trace with hash 703, now seen corresponding path program 1 times [2021-11-25 18:18:38,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:38,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025476404] [2021-11-25 18:18:38,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:38,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:38,519 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:38,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025476404] [2021-11-25 18:18:38,520 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025476404] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:38,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:38,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-25 18:18:38,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354225805] [2021-11-25 18:18:38,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:38,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 18:18:38,528 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:38,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 18:18:38,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 18:18:38,558 INFO L87 Difference]: Start difference. First operand has 764 states, 725 states have (on average 2.0124137931034483) internal successors, (1459), 763 states have internal predecessors, (1459), 0 states have call successors, (0), 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) [2021-11-25 18:18:38,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:38,717 INFO L93 Difference]: Finished difference Result 680 states and 1302 transitions. [2021-11-25 18:18:38,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 18:18:38,720 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 [2021-11-25 18:18:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:38,748 INFO L225 Difference]: With dead ends: 680 [2021-11-25 18:18:38,748 INFO L226 Difference]: Without dead ends: 680 [2021-11-25 18:18:38,749 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:18:38,754 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:38,760 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:18:38,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-11-25 18:18:38,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 680. [2021-11-25 18:18:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 663 states have (on average 1.9638009049773755) internal successors, (1302), 679 states have internal predecessors, (1302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:38,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1302 transitions. [2021-11-25 18:18:38,851 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1302 transitions. Word has length 1 [2021-11-25 18:18:38,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:38,851 INFO L470 AbstractCegarLoop]: Abstraction has 680 states and 1302 transitions. [2021-11-25 18:18:38,851 INFO L471 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) [2021-11-25 18:18:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1302 transitions. [2021-11-25 18:18:38,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:18:38,853 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:38,853 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:38,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:18:38,853 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:38,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:38,854 INFO L85 PathProgramCache]: Analyzing trace with hash -82536894, now seen corresponding path program 1 times [2021-11-25 18:18:38,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:38,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276567885] [2021-11-25 18:18:38,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:38,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:39,312 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:39,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276567885] [2021-11-25 18:18:39,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276567885] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:39,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:39,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:18:39,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890411710] [2021-11-25 18:18:39,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:39,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:18:39,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:39,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:18:39,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:18:39,316 INFO L87 Difference]: Start difference. First operand 680 states and 1302 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:39,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:39,817 INFO L93 Difference]: Finished difference Result 752 states and 1441 transitions. [2021-11-25 18:18:39,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:18:39,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-11-25 18:18:39,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:39,823 INFO L225 Difference]: With dead ends: 752 [2021-11-25 18:18:39,823 INFO L226 Difference]: Without dead ends: 752 [2021-11-25 18:18:39,823 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:18:39,825 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 39 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:39,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 29 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-25 18:18:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2021-11-25 18:18:39,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 737. [2021-11-25 18:18:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 720 states have (on average 1.961111111111111) internal successors, (1412), 736 states have internal predecessors, (1412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:39,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1412 transitions. [2021-11-25 18:18:39,860 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1412 transitions. Word has length 9 [2021-11-25 18:18:39,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:39,860 INFO L470 AbstractCegarLoop]: Abstraction has 737 states and 1412 transitions. [2021-11-25 18:18:39,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1412 transitions. [2021-11-25 18:18:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:18:39,862 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:39,862 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:39,862 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:18:39,862 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:39,863 INFO L85 PathProgramCache]: Analyzing trace with hash 626461728, now seen corresponding path program 1 times [2021-11-25 18:18:39,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:39,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256928221] [2021-11-25 18:18:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:39,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:39,989 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:39,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256928221] [2021-11-25 18:18:39,990 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256928221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:39,990 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:39,990 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:18:39,990 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520759055] [2021-11-25 18:18:39,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:39,991 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:18:39,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:39,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:18:39,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:18:39,992 INFO L87 Difference]: Start difference. First operand 737 states and 1412 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:40,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:40,788 INFO L93 Difference]: Finished difference Result 1270 states and 2420 transitions. [2021-11-25 18:18:40,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:18:40,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2021-11-25 18:18:40,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:40,802 INFO L225 Difference]: With dead ends: 1270 [2021-11-25 18:18:40,802 INFO L226 Difference]: Without dead ends: 1270 [2021-11-25 18:18:40,802 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:18:40,804 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 95 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:40,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 20 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:18:40,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2021-11-25 18:18:40,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 842. [2021-11-25 18:18:40,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 828 states have (on average 1.958937198067633) internal successors, (1622), 841 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:40,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1622 transitions. [2021-11-25 18:18:40,843 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1622 transitions. Word has length 9 [2021-11-25 18:18:40,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:40,844 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1622 transitions. [2021-11-25 18:18:40,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:40,844 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1622 transitions. [2021-11-25 18:18:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:18:40,865 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:40,865 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:40,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:18:40,866 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:40,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:40,866 INFO L85 PathProgramCache]: Analyzing trace with hash 53534425, now seen corresponding path program 1 times [2021-11-25 18:18:40,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:40,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835799457] [2021-11-25 18:18:40,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:40,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:41,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:41,086 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:41,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835799457] [2021-11-25 18:18:41,086 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835799457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:41,086 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:41,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:18:41,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437619999] [2021-11-25 18:18:41,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:41,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:18:41,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:41,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:18:41,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:18:41,089 INFO L87 Difference]: Start difference. First operand 842 states and 1622 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:42,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:42,687 INFO L93 Difference]: Finished difference Result 1571 states and 2963 transitions. [2021-11-25 18:18:42,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 18:18:42,688 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 [2021-11-25 18:18:42,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:42,698 INFO L225 Difference]: With dead ends: 1571 [2021-11-25 18:18:42,698 INFO L226 Difference]: Without dead ends: 1571 [2021-11-25 18:18:42,699 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-11-25 18:18:42,700 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 253 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:42,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 29 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:18:42,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2021-11-25 18:18:42,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 856. [2021-11-25 18:18:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 842 states have (on average 1.9596199524940618) internal successors, (1650), 855 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:42,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1650 transitions. [2021-11-25 18:18:42,738 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1650 transitions. Word has length 12 [2021-11-25 18:18:42,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:42,739 INFO L470 AbstractCegarLoop]: Abstraction has 856 states and 1650 transitions. [2021-11-25 18:18:42,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:42,739 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1650 transitions. [2021-11-25 18:18:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:18:42,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:42,741 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:42,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:18:42,741 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:42,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:42,742 INFO L85 PathProgramCache]: Analyzing trace with hash 61174375, now seen corresponding path program 2 times [2021-11-25 18:18:42,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:42,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697359529] [2021-11-25 18:18:42,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:42,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:42,944 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:42,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697359529] [2021-11-25 18:18:42,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697359529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:42,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:42,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:18:42,945 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890838466] [2021-11-25 18:18:42,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:42,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:18:42,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:42,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:18:42,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:18:42,946 INFO L87 Difference]: Start difference. First operand 856 states and 1650 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:44,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:44,415 INFO L93 Difference]: Finished difference Result 1623 states and 3067 transitions. [2021-11-25 18:18:44,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:18:44,415 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 [2021-11-25 18:18:44,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:44,426 INFO L225 Difference]: With dead ends: 1623 [2021-11-25 18:18:44,427 INFO L226 Difference]: Without dead ends: 1623 [2021-11-25 18:18:44,427 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:18:44,428 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 355 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 261 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 261 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:44,429 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [355 Valid, 29 Invalid, 1202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [261 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:18:44,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1623 states. [2021-11-25 18:18:44,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1623 to 870. [2021-11-25 18:18:44,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 870 states, 856 states have (on average 1.9614485981308412) internal successors, (1679), 869 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1679 transitions. [2021-11-25 18:18:44,466 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1679 transitions. Word has length 12 [2021-11-25 18:18:44,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:44,466 INFO L470 AbstractCegarLoop]: Abstraction has 870 states and 1679 transitions. [2021-11-25 18:18:44,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:44,467 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1679 transitions. [2021-11-25 18:18:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:18:44,468 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:44,468 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:44,469 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:18:44,469 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:44,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:44,470 INFO L85 PathProgramCache]: Analyzing trace with hash 326850265, now seen corresponding path program 3 times [2021-11-25 18:18:44,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:44,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432641447] [2021-11-25 18:18:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:44,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:44,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:44,669 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:44,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432641447] [2021-11-25 18:18:44,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432641447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:44,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:44,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:18:44,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468076580] [2021-11-25 18:18:44,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:44,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:18:44,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:44,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:18:44,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:18:44,670 INFO L87 Difference]: Start difference. First operand 870 states and 1679 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:46,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:46,056 INFO L93 Difference]: Finished difference Result 1669 states and 3159 transitions. [2021-11-25 18:18:46,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 18:18:46,056 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 [2021-11-25 18:18:46,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:46,067 INFO L225 Difference]: With dead ends: 1669 [2021-11-25 18:18:46,067 INFO L226 Difference]: Without dead ends: 1669 [2021-11-25 18:18:46,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=310, Unknown=0, NotChecked=0, Total=462 [2021-11-25 18:18:46,069 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 358 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 1006 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 358 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 1006 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:46,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [358 Valid, 29 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 1006 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:18:46,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1669 states. [2021-11-25 18:18:46,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1669 to 884. [2021-11-25 18:18:46,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 884 states, 870 states have (on average 1.9632183908045977) internal successors, (1708), 883 states have internal predecessors, (1708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:46,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 1708 transitions. [2021-11-25 18:18:46,105 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 1708 transitions. Word has length 12 [2021-11-25 18:18:46,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:46,105 INFO L470 AbstractCegarLoop]: Abstraction has 884 states and 1708 transitions. [2021-11-25 18:18:46,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:46,106 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1708 transitions. [2021-11-25 18:18:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:18:46,107 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:46,107 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:46,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:18:46,108 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:46,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:46,108 INFO L85 PathProgramCache]: Analyzing trace with hash 687322539, now seen corresponding path program 4 times [2021-11-25 18:18:46,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:46,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110510054] [2021-11-25 18:18:46,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:46,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:46,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:46,268 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:46,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110510054] [2021-11-25 18:18:46,268 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110510054] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:46,268 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:46,268 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:18:46,268 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717200027] [2021-11-25 18:18:46,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:46,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:18:46,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:46,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:18:46,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:18:46,270 INFO L87 Difference]: Start difference. First operand 884 states and 1708 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:47,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:47,496 INFO L93 Difference]: Finished difference Result 1710 states and 3241 transitions. [2021-11-25 18:18:47,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 18:18:47,497 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 [2021-11-25 18:18:47,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:47,509 INFO L225 Difference]: With dead ends: 1710 [2021-11-25 18:18:47,509 INFO L226 Difference]: Without dead ends: 1710 [2021-11-25 18:18:47,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2021-11-25 18:18:47,511 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 423 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 1062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:47,511 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [423 Valid, 29 Invalid, 1062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [315 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:18:47,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1710 states. [2021-11-25 18:18:47,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1710 to 894. [2021-11-25 18:18:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 880 states have (on average 1.9647727272727273) internal successors, (1729), 893 states have internal predecessors, (1729), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1729 transitions. [2021-11-25 18:18:47,548 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1729 transitions. Word has length 12 [2021-11-25 18:18:47,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:47,549 INFO L470 AbstractCegarLoop]: Abstraction has 894 states and 1729 transitions. [2021-11-25 18:18:47,549 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:47,549 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1729 transitions. [2021-11-25 18:18:47,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:18:47,550 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:47,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:47,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:18:47,551 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:47,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:47,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1773214707, now seen corresponding path program 1 times [2021-11-25 18:18:47,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:47,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201555121] [2021-11-25 18:18:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:47,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:47,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:47,800 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:47,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201555121] [2021-11-25 18:18:47,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201555121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:47,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:47,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:18:47,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156154487] [2021-11-25 18:18:47,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:47,801 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:18:47,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:47,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:18:47,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:18:47,802 INFO L87 Difference]: Start difference. First operand 894 states and 1729 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:48,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:48,585 INFO L93 Difference]: Finished difference Result 924 states and 1751 transitions. [2021-11-25 18:18:48,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-11-25 18:18:48,597 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 [2021-11-25 18:18:48,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:48,603 INFO L225 Difference]: With dead ends: 924 [2021-11-25 18:18:48,603 INFO L226 Difference]: Without dead ends: 924 [2021-11-25 18:18:48,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:18:48,604 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 255 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:48,605 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 55 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 18:18:48,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-11-25 18:18:48,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 844. [2021-11-25 18:18:48,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 831 states have (on average 1.9566787003610109) internal successors, (1626), 843 states have internal predecessors, (1626), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1626 transitions. [2021-11-25 18:18:48,630 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1626 transitions. Word has length 12 [2021-11-25 18:18:48,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:48,631 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1626 transitions. [2021-11-25 18:18:48,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1626 transitions. [2021-11-25 18:18:48,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 18:18:48,632 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:48,632 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:48,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:18:48,632 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:48,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:48,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1054212361, now seen corresponding path program 5 times [2021-11-25 18:18:48,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:48,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115594552] [2021-11-25 18:18:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:48,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:48,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:48,787 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:48,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115594552] [2021-11-25 18:18:48,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115594552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:48,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:48,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:18:48,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158165156] [2021-11-25 18:18:48,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:48,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:18:48,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:48,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:18:48,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:18:48,790 INFO L87 Difference]: Start difference. First operand 844 states and 1626 transitions. Second operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:50,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:50,000 INFO L93 Difference]: Finished difference Result 1110 states and 2086 transitions. [2021-11-25 18:18:50,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 18:18:50,001 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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 [2021-11-25 18:18:50,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:50,007 INFO L225 Difference]: With dead ends: 1110 [2021-11-25 18:18:50,007 INFO L226 Difference]: Without dead ends: 1110 [2021-11-25 18:18:50,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=246, Invalid=624, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:18:50,009 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 322 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 780 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:50,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [322 Valid, 25 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 780 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:18:50,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2021-11-25 18:18:50,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 727. [2021-11-25 18:18:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 715 states have (on average 1.951048951048951) internal successors, (1395), 726 states have internal predecessors, (1395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:50,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1395 transitions. [2021-11-25 18:18:50,037 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1395 transitions. Word has length 12 [2021-11-25 18:18:50,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:50,037 INFO L470 AbstractCegarLoop]: Abstraction has 727 states and 1395 transitions. [2021-11-25 18:18:50,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 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) [2021-11-25 18:18:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1395 transitions. [2021-11-25 18:18:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 18:18:50,038 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:50,038 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:50,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:18:50,039 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:50,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:50,040 INFO L85 PathProgramCache]: Analyzing trace with hash -272757810, now seen corresponding path program 1 times [2021-11-25 18:18:50,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:50,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152871562] [2021-11-25 18:18:50,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:50,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:50,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:50,209 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:50,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152871562] [2021-11-25 18:18:50,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152871562] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:50,209 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:50,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:18:50,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442909040] [2021-11-25 18:18:50,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:50,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:18:50,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:50,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:18:50,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:18:50,211 INFO L87 Difference]: Start difference. First operand 727 states and 1395 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2021-11-25 18:18:50,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:50,566 INFO L93 Difference]: Finished difference Result 780 states and 1497 transitions. [2021-11-25 18:18:50,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:18:50,566 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 [2021-11-25 18:18:50,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:50,571 INFO L225 Difference]: With dead ends: 780 [2021-11-25 18:18:50,572 INFO L226 Difference]: Without dead ends: 780 [2021-11-25 18:18:50,572 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:18:50,573 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 32 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:50,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 30 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:18:50,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-11-25 18:18:50,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2021-11-25 18:18:50,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 768 states have (on average 1.94921875) internal successors, (1497), 779 states have internal predecessors, (1497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:50,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1497 transitions. [2021-11-25 18:18:50,595 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1497 transitions. Word has length 15 [2021-11-25 18:18:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:50,595 INFO L470 AbstractCegarLoop]: Abstraction has 780 states and 1497 transitions. [2021-11-25 18:18:50,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2021-11-25 18:18:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1497 transitions. [2021-11-25 18:18:50,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 18:18:50,596 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:50,597 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:50,597 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:18:50,597 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:50,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash 63118149, now seen corresponding path program 1 times [2021-11-25 18:18:50,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:50,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31978246] [2021-11-25 18:18:50,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:50,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:50,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:50,699 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:50,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31978246] [2021-11-25 18:18:50,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31978246] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:50,699 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:50,699 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:18:50,699 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971501539] [2021-11-25 18:18:50,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:50,700 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:18:50,700 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:50,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:18:50,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:18:50,701 INFO L87 Difference]: Start difference. First operand 780 states and 1497 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2021-11-25 18:18:51,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:51,398 INFO L93 Difference]: Finished difference Result 1025 states and 1940 transitions. [2021-11-25 18:18:51,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:18:51,398 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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 [2021-11-25 18:18:51,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:51,403 INFO L225 Difference]: With dead ends: 1025 [2021-11-25 18:18:51,403 INFO L226 Difference]: Without dead ends: 999 [2021-11-25 18:18:51,404 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:18:51,404 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 67 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:51,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 29 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:18:51,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-11-25 18:18:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 885. [2021-11-25 18:18:51,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 873 states have (on average 1.9484536082474226) internal successors, (1701), 884 states have internal predecessors, (1701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:51,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1701 transitions. [2021-11-25 18:18:51,429 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1701 transitions. Word has length 15 [2021-11-25 18:18:51,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:51,430 INFO L470 AbstractCegarLoop]: Abstraction has 885 states and 1701 transitions. [2021-11-25 18:18:51,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) [2021-11-25 18:18:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1701 transitions. [2021-11-25 18:18:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:18:51,431 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:51,431 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:51,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:18:51,432 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:51,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:51,432 INFO L85 PathProgramCache]: Analyzing trace with hash 188757630, now seen corresponding path program 1 times [2021-11-25 18:18:51,432 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:51,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292017247] [2021-11-25 18:18:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:51,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:51,692 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:51,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292017247] [2021-11-25 18:18:51,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292017247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:51,692 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:51,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:18:51,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154905784] [2021-11-25 18:18:51,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:51,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:18:51,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:51,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:18:51,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:18:51,694 INFO L87 Difference]: Start difference. First operand 885 states and 1701 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:53,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:53,217 INFO L93 Difference]: Finished difference Result 1993 states and 3751 transitions. [2021-11-25 18:18:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:18:53,217 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:18:53,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:53,228 INFO L225 Difference]: With dead ends: 1993 [2021-11-25 18:18:53,228 INFO L226 Difference]: Without dead ends: 1993 [2021-11-25 18:18:53,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2021-11-25 18:18:53,229 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 208 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:53,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [208 Valid, 233 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1836 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:18:53,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2021-11-25 18:18:53,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 907. [2021-11-25 18:18:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 895 states have (on average 1.9497206703910615) internal successors, (1745), 906 states have internal predecessors, (1745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:53,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1745 transitions. [2021-11-25 18:18:53,261 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1745 transitions. Word has length 18 [2021-11-25 18:18:53,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:53,262 INFO L470 AbstractCegarLoop]: Abstraction has 907 states and 1745 transitions. [2021-11-25 18:18:53,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:53,262 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1745 transitions. [2021-11-25 18:18:53,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:18:53,263 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:53,263 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:53,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:18:53,264 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:53,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:53,264 INFO L85 PathProgramCache]: Analyzing trace with hash 195893520, now seen corresponding path program 2 times [2021-11-25 18:18:53,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:53,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014760366] [2021-11-25 18:18:53,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:53,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:53,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:53,486 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:53,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014760366] [2021-11-25 18:18:53,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014760366] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:53,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:53,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:18:53,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141676303] [2021-11-25 18:18:53,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:53,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:18:53,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:53,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:18:53,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:18:53,488 INFO L87 Difference]: Start difference. First operand 907 states and 1745 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:54,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:54,865 INFO L93 Difference]: Finished difference Result 2071 states and 3897 transitions. [2021-11-25 18:18:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 18:18:54,866 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:18:54,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:54,876 INFO L225 Difference]: With dead ends: 2071 [2021-11-25 18:18:54,876 INFO L226 Difference]: Without dead ends: 2071 [2021-11-25 18:18:54,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=154, Invalid=496, Unknown=0, NotChecked=0, Total=650 [2021-11-25 18:18:54,877 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 282 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:54,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [282 Valid, 233 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:18:54,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2021-11-25 18:18:54,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 925. [2021-11-25 18:18:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 913 states have (on average 1.9518072289156627) internal successors, (1782), 924 states have internal predecessors, (1782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:54,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 1782 transitions. [2021-11-25 18:18:54,929 INFO L78 Accepts]: Start accepts. Automaton has 925 states and 1782 transitions. Word has length 18 [2021-11-25 18:18:54,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:54,929 INFO L470 AbstractCegarLoop]: Abstraction has 925 states and 1782 transitions. [2021-11-25 18:18:54,930 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:54,930 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1782 transitions. [2021-11-25 18:18:54,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:18:54,931 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:54,931 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:54,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:18:54,933 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:54,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:54,934 INFO L85 PathProgramCache]: Analyzing trace with hash 346040160, now seen corresponding path program 3 times [2021-11-25 18:18:54,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:54,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848068771] [2021-11-25 18:18:54,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:54,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:55,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:55,186 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:55,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848068771] [2021-11-25 18:18:55,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848068771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:55,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:55,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:18:55,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316663724] [2021-11-25 18:18:55,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:55,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:18:55,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:55,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:18:55,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:18:55,188 INFO L87 Difference]: Start difference. First operand 925 states and 1782 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:57,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:57,218 INFO L93 Difference]: Finished difference Result 2129 states and 4013 transitions. [2021-11-25 18:18:57,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 18:18:57,218 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:18:57,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:57,228 INFO L225 Difference]: With dead ends: 2129 [2021-11-25 18:18:57,228 INFO L226 Difference]: Without dead ends: 2129 [2021-11-25 18:18:57,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2021-11-25 18:18:57,229 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 241 mSDsluCounter, 427 mSDsCounter, 0 mSdLazyCounter, 2177 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 2177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:57,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 233 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 2177 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:18:57,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2021-11-25 18:18:57,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 943. [2021-11-25 18:18:57,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 931 states have (on average 1.953813104189044) internal successors, (1819), 942 states have internal predecessors, (1819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1819 transitions. [2021-11-25 18:18:57,262 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1819 transitions. Word has length 18 [2021-11-25 18:18:57,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:57,262 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1819 transitions. [2021-11-25 18:18:57,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1819 transitions. [2021-11-25 18:18:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:18:57,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:57,264 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:57,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:18:57,264 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:57,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:57,265 INFO L85 PathProgramCache]: Analyzing trace with hash 418252048, now seen corresponding path program 4 times [2021-11-25 18:18:57,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:57,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029952259] [2021-11-25 18:18:57,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:57,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:57,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:57,468 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:57,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029952259] [2021-11-25 18:18:57,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029952259] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:57,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:57,469 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:18:57,469 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914359774] [2021-11-25 18:18:57,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:57,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:18:57,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:57,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:18:57,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:18:57,470 INFO L87 Difference]: Start difference. First operand 943 states and 1819 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:59,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:18:59,170 INFO L93 Difference]: Finished difference Result 2187 states and 4129 transitions. [2021-11-25 18:18:59,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-11-25 18:18:59,170 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:18:59,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:18:59,181 INFO L225 Difference]: With dead ends: 2187 [2021-11-25 18:18:59,182 INFO L226 Difference]: Without dead ends: 2187 [2021-11-25 18:18:59,183 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=283, Invalid=977, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 18:18:59,183 INFO L933 BasicCegarLoop]: 63 mSDtfsCounter, 304 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:18:59,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [304 Valid, 223 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:18:59,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2021-11-25 18:18:59,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 961. [2021-11-25 18:18:59,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 961 states, 949 states have (on average 1.9557428872497367) internal successors, (1856), 960 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:18:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 961 states and 1856 transitions. [2021-11-25 18:18:59,216 INFO L78 Accepts]: Start accepts. Automaton has 961 states and 1856 transitions. Word has length 18 [2021-11-25 18:18:59,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:18:59,216 INFO L470 AbstractCegarLoop]: Abstraction has 961 states and 1856 transitions. [2021-11-25 18:18:59,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:18:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1856 transitions. [2021-11-25 18:18:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:18:59,217 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:18:59,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:18:59,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:18:59,218 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:18:59,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:18:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash 54074660, now seen corresponding path program 1 times [2021-11-25 18:18:59,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:18:59,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20011021] [2021-11-25 18:18:59,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:18:59,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:18:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:18:59,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:18:59,532 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:18:59,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20011021] [2021-11-25 18:18:59,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20011021] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:18:59,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:18:59,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:18:59,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122099984] [2021-11-25 18:18:59,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:18:59,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:18:59,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:18:59,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:18:59,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:18:59,534 INFO L87 Difference]: Start difference. First operand 961 states and 1856 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:00,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:00,589 INFO L93 Difference]: Finished difference Result 2270 states and 4349 transitions. [2021-11-25 18:19:00,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:19:00,589 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:00,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:00,596 INFO L225 Difference]: With dead ends: 2270 [2021-11-25 18:19:00,596 INFO L226 Difference]: Without dead ends: 2270 [2021-11-25 18:19:00,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2021-11-25 18:19:00,597 INFO L933 BasicCegarLoop]: 60 mSDtfsCounter, 229 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:00,598 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [229 Valid, 248 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:19:00,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2270 states. [2021-11-25 18:19:00,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2270 to 985. [2021-11-25 18:19:00,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 973 states have (on average 1.9537512846865366) internal successors, (1901), 984 states have internal predecessors, (1901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1901 transitions. [2021-11-25 18:19:00,632 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1901 transitions. Word has length 18 [2021-11-25 18:19:00,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:00,632 INFO L470 AbstractCegarLoop]: Abstraction has 985 states and 1901 transitions. [2021-11-25 18:19:00,632 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1901 transitions. [2021-11-25 18:19:00,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:00,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:00,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:00,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:19:00,634 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:00,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:00,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1255719322, now seen corresponding path program 5 times [2021-11-25 18:19:00,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:00,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930682223] [2021-11-25 18:19:00,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:00,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:00,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:00,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:00,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930682223] [2021-11-25 18:19:00,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930682223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:00,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:00,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:00,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356924808] [2021-11-25 18:19:00,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:00,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:00,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:00,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:00,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:00,820 INFO L87 Difference]: Start difference. First operand 985 states and 1901 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:03,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:03,128 INFO L93 Difference]: Finished difference Result 2434 states and 4586 transitions. [2021-11-25 18:19:03,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-11-25 18:19:03,128 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:03,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:03,133 INFO L225 Difference]: With dead ends: 2434 [2021-11-25 18:19:03,133 INFO L226 Difference]: Without dead ends: 2434 [2021-11-25 18:19:03,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=298, Invalid=1108, Unknown=0, NotChecked=0, Total=1406 [2021-11-25 18:19:03,135 INFO L933 BasicCegarLoop]: 56 mSDtfsCounter, 343 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 2283 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 2430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:03,137 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 234 Invalid, 2430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2283 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:19:03,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2021-11-25 18:19:03,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 962. [2021-11-25 18:19:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 950 states have (on average 1.9526315789473685) internal successors, (1855), 961 states have internal predecessors, (1855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:03,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1855 transitions. [2021-11-25 18:19:03,171 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1855 transitions. Word has length 18 [2021-11-25 18:19:03,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:03,171 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1855 transitions. [2021-11-25 18:19:03,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:03,172 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1855 transitions. [2021-11-25 18:19:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:03,173 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:03,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:03,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:19:03,173 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:03,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:03,174 INFO L85 PathProgramCache]: Analyzing trace with hash 510842656, now seen corresponding path program 2 times [2021-11-25 18:19:03,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:03,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026770783] [2021-11-25 18:19:03,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:03,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:03,406 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:03,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026770783] [2021-11-25 18:19:03,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026770783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:03,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:03,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:03,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866883157] [2021-11-25 18:19:03,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:03,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:03,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:03,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:03,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:03,408 INFO L87 Difference]: Start difference. First operand 962 states and 1855 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:04,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:04,303 INFO L93 Difference]: Finished difference Result 1315 states and 2550 transitions. [2021-11-25 18:19:04,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-25 18:19:04,303 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:04,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:04,306 INFO L225 Difference]: With dead ends: 1315 [2021-11-25 18:19:04,306 INFO L226 Difference]: Without dead ends: 1315 [2021-11-25 18:19:04,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2021-11-25 18:19:04,306 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 123 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:04,307 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 147 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:19:04,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2021-11-25 18:19:04,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 981. [2021-11-25 18:19:04,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 981 states, 969 states have (on average 1.9535603715170278) internal successors, (1893), 980 states have internal predecessors, (1893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1893 transitions. [2021-11-25 18:19:04,331 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1893 transitions. Word has length 18 [2021-11-25 18:19:04,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:04,332 INFO L470 AbstractCegarLoop]: Abstraction has 981 states and 1893 transitions. [2021-11-25 18:19:04,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:04,332 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1893 transitions. [2021-11-25 18:19:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:04,333 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:04,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:04,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:19:04,334 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:04,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:04,335 INFO L85 PathProgramCache]: Analyzing trace with hash 514648216, now seen corresponding path program 3 times [2021-11-25 18:19:04,335 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:04,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108928169] [2021-11-25 18:19:04,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:04,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:04,553 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:04,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108928169] [2021-11-25 18:19:04,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108928169] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:04,553 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:04,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:04,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47937950] [2021-11-25 18:19:04,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:04,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:04,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:04,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:04,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:04,557 INFO L87 Difference]: Start difference. First operand 981 states and 1893 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:05,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:05,375 INFO L93 Difference]: Finished difference Result 1341 states and 2600 transitions. [2021-11-25 18:19:05,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:19:05,376 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:05,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:05,379 INFO L225 Difference]: With dead ends: 1341 [2021-11-25 18:19:05,380 INFO L226 Difference]: Without dead ends: 1341 [2021-11-25 18:19:05,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2021-11-25 18:19:05,381 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 133 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:05,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 147 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:19:05,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1341 states. [2021-11-25 18:19:05,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1341 to 989. [2021-11-25 18:19:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 977 states have (on average 1.953940634595701) internal successors, (1909), 988 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:05,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1909 transitions. [2021-11-25 18:19:05,421 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1909 transitions. Word has length 18 [2021-11-25 18:19:05,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:05,422 INFO L470 AbstractCegarLoop]: Abstraction has 989 states and 1909 transitions. [2021-11-25 18:19:05,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1909 transitions. [2021-11-25 18:19:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:05,423 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:05,423 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:05,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 18:19:05,424 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:05,425 INFO L85 PathProgramCache]: Analyzing trace with hash 633514306, now seen corresponding path program 4 times [2021-11-25 18:19:05,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:05,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561572121] [2021-11-25 18:19:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:05,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:05,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:05,648 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:05,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561572121] [2021-11-25 18:19:05,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561572121] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:05,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:05,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:05,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692937525] [2021-11-25 18:19:05,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:05,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:05,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:05,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:05,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:05,650 INFO L87 Difference]: Start difference. First operand 989 states and 1909 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:06,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:06,852 INFO L93 Difference]: Finished difference Result 1367 states and 2650 transitions. [2021-11-25 18:19:06,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:19:06,853 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:06,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:06,855 INFO L225 Difference]: With dead ends: 1367 [2021-11-25 18:19:06,855 INFO L226 Difference]: Without dead ends: 1367 [2021-11-25 18:19:06,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2021-11-25 18:19:06,856 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 129 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:06,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 147 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:19:06,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-11-25 18:19:06,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 997. [2021-11-25 18:19:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 997 states, 985 states have (on average 1.9543147208121827) internal successors, (1925), 996 states have internal predecessors, (1925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 997 states and 1925 transitions. [2021-11-25 18:19:06,881 INFO L78 Accepts]: Start accepts. Automaton has 997 states and 1925 transitions. Word has length 18 [2021-11-25 18:19:06,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:06,882 INFO L470 AbstractCegarLoop]: Abstraction has 997 states and 1925 transitions. [2021-11-25 18:19:06,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:06,882 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1925 transitions. [2021-11-25 18:19:06,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:06,883 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:06,883 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:06,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 18:19:06,884 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:06,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:06,884 INFO L85 PathProgramCache]: Analyzing trace with hash 51101430, now seen corresponding path program 5 times [2021-11-25 18:19:06,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:06,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629280736] [2021-11-25 18:19:06,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:06,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:06,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:07,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:07,136 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:07,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629280736] [2021-11-25 18:19:07,137 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629280736] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:07,137 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:07,137 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:07,137 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660285992] [2021-11-25 18:19:07,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:07,137 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:07,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:07,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:07,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:07,138 INFO L87 Difference]: Start difference. First operand 997 states and 1925 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:08,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:08,069 INFO L93 Difference]: Finished difference Result 1393 states and 2700 transitions. [2021-11-25 18:19:08,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:19:08,069 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:08,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:08,073 INFO L225 Difference]: With dead ends: 1393 [2021-11-25 18:19:08,073 INFO L226 Difference]: Without dead ends: 1393 [2021-11-25 18:19:08,073 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:19:08,074 INFO L933 BasicCegarLoop]: 48 mSDtfsCounter, 134 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:08,074 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 147 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:19:08,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2021-11-25 18:19:08,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1005. [2021-11-25 18:19:08,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 993 states have (on average 1.9546827794561934) internal successors, (1941), 1004 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1941 transitions. [2021-11-25 18:19:08,100 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1941 transitions. Word has length 18 [2021-11-25 18:19:08,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:08,101 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1941 transitions. [2021-11-25 18:19:08,101 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:08,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1941 transitions. [2021-11-25 18:19:08,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:08,102 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:08,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:08,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 18:19:08,103 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:08,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1674972674, now seen corresponding path program 6 times [2021-11-25 18:19:08,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:08,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143613106] [2021-11-25 18:19:08,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:08,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:08,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:08,405 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:08,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143613106] [2021-11-25 18:19:08,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143613106] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:08,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:08,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:08,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568137613] [2021-11-25 18:19:08,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:08,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:08,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:08,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:08,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:08,407 INFO L87 Difference]: Start difference. First operand 1005 states and 1941 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:09,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:09,415 INFO L93 Difference]: Finished difference Result 1888 states and 3633 transitions. [2021-11-25 18:19:09,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:19:09,416 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:09,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:09,420 INFO L225 Difference]: With dead ends: 1888 [2021-11-25 18:19:09,420 INFO L226 Difference]: Without dead ends: 1888 [2021-11-25 18:19:09,420 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2021-11-25 18:19:09,421 INFO L933 BasicCegarLoop]: 59 mSDtfsCounter, 172 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:09,422 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 218 Invalid, 1191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:19:09,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2021-11-25 18:19:09,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1012. [2021-11-25 18:19:09,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1000 states have (on average 1.955) internal successors, (1955), 1011 states have internal predecessors, (1955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1955 transitions. [2021-11-25 18:19:09,451 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1955 transitions. Word has length 18 [2021-11-25 18:19:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:09,452 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1955 transitions. [2021-11-25 18:19:09,452 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1955 transitions. [2021-11-25 18:19:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:09,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:09,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:09,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 18:19:09,454 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:09,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:09,454 INFO L85 PathProgramCache]: Analyzing trace with hash -473328012, now seen corresponding path program 6 times [2021-11-25 18:19:09,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:09,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780337079] [2021-11-25 18:19:09,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:09,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:09,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:09,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780337079] [2021-11-25 18:19:09,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780337079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:09,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:09,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:09,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746888328] [2021-11-25 18:19:09,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:09,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:09,620 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:09,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:09,621 INFO L87 Difference]: Start difference. First operand 1012 states and 1955 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:11,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:11,590 INFO L93 Difference]: Finished difference Result 1974 states and 3759 transitions. [2021-11-25 18:19:11,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 18:19:11,591 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:11,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:11,594 INFO L225 Difference]: With dead ends: 1974 [2021-11-25 18:19:11,594 INFO L226 Difference]: Without dead ends: 1974 [2021-11-25 18:19:11,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=553, Unknown=0, NotChecked=0, Total=702 [2021-11-25 18:19:11,595 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 220 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 2686 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 2783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:11,595 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 199 Invalid, 2783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2686 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:19:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1974 states. [2021-11-25 18:19:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1974 to 1068. [2021-11-25 18:19:11,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1056 states have (on average 1.9611742424242424) internal successors, (2071), 1067 states have internal predecessors, (2071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 2071 transitions. [2021-11-25 18:19:11,626 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 2071 transitions. Word has length 18 [2021-11-25 18:19:11,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:11,626 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 2071 transitions. [2021-11-25 18:19:11,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 2071 transitions. [2021-11-25 18:19:11,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:11,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:11,628 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:11,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 18:19:11,628 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:11,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:11,628 INFO L85 PathProgramCache]: Analyzing trace with hash 482463666, now seen corresponding path program 7 times [2021-11-25 18:19:11,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:11,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342870390] [2021-11-25 18:19:11,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:11,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:12,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:12,033 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:12,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342870390] [2021-11-25 18:19:12,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342870390] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:12,033 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:12,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:12,034 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577602089] [2021-11-25 18:19:12,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:12,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:12,034 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:12,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:12,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:12,035 INFO L87 Difference]: Start difference. First operand 1068 states and 2071 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:13,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:13,160 INFO L93 Difference]: Finished difference Result 1763 states and 3419 transitions. [2021-11-25 18:19:13,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 18:19:13,161 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:13,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:13,165 INFO L225 Difference]: With dead ends: 1763 [2021-11-25 18:19:13,165 INFO L226 Difference]: Without dead ends: 1763 [2021-11-25 18:19:13,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=492, Unknown=0, NotChecked=0, Total=650 [2021-11-25 18:19:13,167 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 238 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 873 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 873 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:13,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 134 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 873 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:19:13,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2021-11-25 18:19:13,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1066. [2021-11-25 18:19:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 1054 states have (on average 1.9611005692599621) internal successors, (2067), 1065 states have internal predecessors, (2067), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:13,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 2067 transitions. [2021-11-25 18:19:13,196 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 2067 transitions. Word has length 18 [2021-11-25 18:19:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:13,196 INFO L470 AbstractCegarLoop]: Abstraction has 1066 states and 2067 transitions. [2021-11-25 18:19:13,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 2067 transitions. [2021-11-25 18:19:13,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:13,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:13,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:13,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 18:19:13,199 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:13,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:13,199 INFO L85 PathProgramCache]: Analyzing trace with hash 320035446, now seen corresponding path program 8 times [2021-11-25 18:19:13,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:13,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649225625] [2021-11-25 18:19:13,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:13,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:13,514 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:13,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649225625] [2021-11-25 18:19:13,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649225625] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:13,514 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:13,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:13,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980986934] [2021-11-25 18:19:13,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:13,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:13,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:13,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:13,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:13,518 INFO L87 Difference]: Start difference. First operand 1066 states and 2067 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:14,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:14,788 INFO L93 Difference]: Finished difference Result 1777 states and 3445 transitions. [2021-11-25 18:19:14,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 18:19:14,796 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:14,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:14,802 INFO L225 Difference]: With dead ends: 1777 [2021-11-25 18:19:14,802 INFO L226 Difference]: Without dead ends: 1777 [2021-11-25 18:19:14,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=587, Unknown=0, NotChecked=0, Total=756 [2021-11-25 18:19:14,803 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 238 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:14,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 134 Invalid, 1248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:19:14,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1777 states. [2021-11-25 18:19:14,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1777 to 1064. [2021-11-25 18:19:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1064 states, 1052 states have (on average 1.9610266159695817) internal successors, (2063), 1063 states have internal predecessors, (2063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 1064 states and 2063 transitions. [2021-11-25 18:19:14,850 INFO L78 Accepts]: Start accepts. Automaton has 1064 states and 2063 transitions. Word has length 18 [2021-11-25 18:19:14,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:14,850 INFO L470 AbstractCegarLoop]: Abstraction has 1064 states and 2063 transitions. [2021-11-25 18:19:14,850 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:14,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 2063 transitions. [2021-11-25 18:19:14,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:14,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:14,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:14,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-25 18:19:14,852 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:14,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:14,853 INFO L85 PathProgramCache]: Analyzing trace with hash -391672718, now seen corresponding path program 9 times [2021-11-25 18:19:14,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:14,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335274261] [2021-11-25 18:19:14,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:14,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:15,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:15,258 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:15,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335274261] [2021-11-25 18:19:15,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335274261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:15,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:15,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:15,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802745451] [2021-11-25 18:19:15,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:15,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:15,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:15,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:15,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:15,260 INFO L87 Difference]: Start difference. First operand 1064 states and 2063 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:16,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:16,849 INFO L93 Difference]: Finished difference Result 1807 states and 3501 transitions. [2021-11-25 18:19:16,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:19:16,849 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:16,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:16,853 INFO L225 Difference]: With dead ends: 1807 [2021-11-25 18:19:16,853 INFO L226 Difference]: Without dead ends: 1807 [2021-11-25 18:19:16,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=172, Invalid=640, Unknown=0, NotChecked=0, Total=812 [2021-11-25 18:19:16,854 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 238 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1222 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:16,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 134 Invalid, 1292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1222 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:19:16,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states. [2021-11-25 18:19:16,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 1062. [2021-11-25 18:19:16,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 1050 states have (on average 1.960952380952381) internal successors, (2059), 1061 states have internal predecessors, (2059), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 2059 transitions. [2021-11-25 18:19:16,888 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 2059 transitions. Word has length 18 [2021-11-25 18:19:16,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:16,888 INFO L470 AbstractCegarLoop]: Abstraction has 1062 states and 2059 transitions. [2021-11-25 18:19:16,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:16,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2059 transitions. [2021-11-25 18:19:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:16,890 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:16,890 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:16,890 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-25 18:19:16,890 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:16,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2096688822, now seen corresponding path program 10 times [2021-11-25 18:19:16,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:16,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704929534] [2021-11-25 18:19:16,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:16,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:16,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:17,167 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:17,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704929534] [2021-11-25 18:19:17,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704929534] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:17,168 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:17,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:17,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349325106] [2021-11-25 18:19:17,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:17,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:17,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:17,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:17,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:17,169 INFO L87 Difference]: Start difference. First operand 1062 states and 2059 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:18,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:18,384 INFO L93 Difference]: Finished difference Result 1809 states and 3498 transitions. [2021-11-25 18:19:18,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 18:19:18,384 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:18,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:18,389 INFO L225 Difference]: With dead ends: 1809 [2021-11-25 18:19:18,389 INFO L226 Difference]: Without dead ends: 1809 [2021-11-25 18:19:18,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=184, Invalid=686, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:19:18,390 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 239 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 1121 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 1121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:18,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 134 Invalid, 1199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 1121 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:19:18,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2021-11-25 18:19:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1040. [2021-11-25 18:19:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 1028 states have (on average 1.956225680933852) internal successors, (2011), 1039 states have internal predecessors, (2011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:18,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 2011 transitions. [2021-11-25 18:19:18,415 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 2011 transitions. Word has length 18 [2021-11-25 18:19:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:18,416 INFO L470 AbstractCegarLoop]: Abstraction has 1040 states and 2011 transitions. [2021-11-25 18:19:18,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2011 transitions. [2021-11-25 18:19:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:18,417 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:18,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:18,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-25 18:19:18,418 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:18,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:18,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1326364987, now seen corresponding path program 1 times [2021-11-25 18:19:18,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:18,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573289674] [2021-11-25 18:19:18,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:18,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:18,555 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:18,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573289674] [2021-11-25 18:19:18,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573289674] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:18,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:18,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:19:18,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798321519] [2021-11-25 18:19:18,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:18,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-25 18:19:18,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:18,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-25 18:19:18,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-25 18:19:18,557 INFO L87 Difference]: Start difference. First operand 1040 states and 2011 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-11-25 18:19:19,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:19,497 INFO L93 Difference]: Finished difference Result 1066 states and 2030 transitions. [2021-11-25 18:19:19,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 18:19:19,497 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 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 [2021-11-25 18:19:19,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:19,499 INFO L225 Difference]: With dead ends: 1066 [2021-11-25 18:19:19,499 INFO L226 Difference]: Without dead ends: 1066 [2021-11-25 18:19:19,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:19:19,500 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 231 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:19,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [231 Valid, 46 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:19:19,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2021-11-25 18:19:19,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 992. [2021-11-25 18:19:19,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.9540816326530612) internal successors, (1915), 991 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:19,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1915 transitions. [2021-11-25 18:19:19,518 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1915 transitions. Word has length 18 [2021-11-25 18:19:19,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:19,518 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1915 transitions. [2021-11-25 18:19:19,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 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) [2021-11-25 18:19:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1915 transitions. [2021-11-25 18:19:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:19,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:19,520 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:19,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-25 18:19:19,520 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:19,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:19,521 INFO L85 PathProgramCache]: Analyzing trace with hash 332027454, now seen corresponding path program 11 times [2021-11-25 18:19:19,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:19,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916352972] [2021-11-25 18:19:19,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:19,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:19,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:19,895 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:19,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916352972] [2021-11-25 18:19:19,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916352972] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:19,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:19,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:19,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347381325] [2021-11-25 18:19:19,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:19,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:19,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:19,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:19,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:19,896 INFO L87 Difference]: Start difference. First operand 992 states and 1915 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:21,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:21,128 INFO L93 Difference]: Finished difference Result 1331 states and 2564 transitions. [2021-11-25 18:19:21,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:19:21,129 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:21,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:21,131 INFO L225 Difference]: With dead ends: 1331 [2021-11-25 18:19:21,131 INFO L226 Difference]: Without dead ends: 1331 [2021-11-25 18:19:21,132 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2021-11-25 18:19:21,132 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 194 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:21,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 103 Invalid, 1126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:19:21,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2021-11-25 18:19:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1027. [2021-11-25 18:19:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1015 states have (on average 1.9556650246305418) internal successors, (1985), 1026 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1985 transitions. [2021-11-25 18:19:21,154 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1985 transitions. Word has length 18 [2021-11-25 18:19:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:21,154 INFO L470 AbstractCegarLoop]: Abstraction has 1027 states and 1985 transitions. [2021-11-25 18:19:21,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1985 transitions. [2021-11-25 18:19:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:21,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:21,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:21,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-25 18:19:21,156 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:21,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:21,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1320255694, now seen corresponding path program 12 times [2021-11-25 18:19:21,157 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:21,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323013675] [2021-11-25 18:19:21,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:21,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:21,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:21,495 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:21,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323013675] [2021-11-25 18:19:21,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323013675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:21,496 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:21,496 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:21,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496181485] [2021-11-25 18:19:21,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:21,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:21,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:21,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:21,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:21,497 INFO L87 Difference]: Start difference. First operand 1027 states and 1985 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:22,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:22,895 INFO L93 Difference]: Finished difference Result 1357 states and 2614 transitions. [2021-11-25 18:19:22,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:19:22,896 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:22,898 INFO L225 Difference]: With dead ends: 1357 [2021-11-25 18:19:22,899 INFO L226 Difference]: Without dead ends: 1357 [2021-11-25 18:19:22,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2021-11-25 18:19:22,900 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 195 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:22,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [195 Valid, 103 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:19:22,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2021-11-25 18:19:22,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 1035. [2021-11-25 18:19:22,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 1023 states have (on average 1.9560117302052786) internal successors, (2001), 1034 states have internal predecessors, (2001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:22,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 2001 transitions. [2021-11-25 18:19:22,921 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 2001 transitions. Word has length 18 [2021-11-25 18:19:22,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:22,922 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 2001 transitions. [2021-11-25 18:19:22,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2001 transitions. [2021-11-25 18:19:22,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:22,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:22,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:22,924 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-25 18:19:22,924 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:22,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1694016766, now seen corresponding path program 13 times [2021-11-25 18:19:22,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:22,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042900574] [2021-11-25 18:19:22,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:22,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:23,232 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:23,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042900574] [2021-11-25 18:19:23,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042900574] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:23,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:23,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:23,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478731350] [2021-11-25 18:19:23,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:23,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:23,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:23,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:23,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:23,234 INFO L87 Difference]: Start difference. First operand 1035 states and 2001 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:24,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:24,497 INFO L93 Difference]: Finished difference Result 1383 states and 2664 transitions. [2021-11-25 18:19:24,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 18:19:24,497 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:24,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:24,499 INFO L225 Difference]: With dead ends: 1383 [2021-11-25 18:19:24,500 INFO L226 Difference]: Without dead ends: 1383 [2021-11-25 18:19:24,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2021-11-25 18:19:24,501 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 199 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 1141 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:24,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [199 Valid, 103 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1141 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:19:24,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2021-11-25 18:19:24,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1043. [2021-11-25 18:19:24,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 1031 states have (on average 1.95635305528613) internal successors, (2017), 1042 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:24,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 2017 transitions. [2021-11-25 18:19:24,523 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 2017 transitions. Word has length 18 [2021-11-25 18:19:24,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:24,523 INFO L470 AbstractCegarLoop]: Abstraction has 1043 states and 2017 transitions. [2021-11-25 18:19:24,524 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 2017 transitions. [2021-11-25 18:19:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:24,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:24,525 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:24,525 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-25 18:19:24,525 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:24,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:24,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1402166770, now seen corresponding path program 14 times [2021-11-25 18:19:24,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:24,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761551344] [2021-11-25 18:19:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:24,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:24,824 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:24,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761551344] [2021-11-25 18:19:24,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761551344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:24,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:24,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:24,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825264540] [2021-11-25 18:19:24,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:24,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:24,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:24,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:24,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:24,826 INFO L87 Difference]: Start difference. First operand 1043 states and 2017 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:25,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:25,989 INFO L93 Difference]: Finished difference Result 1409 states and 2714 transitions. [2021-11-25 18:19:25,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:19:25,990 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:25,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:25,991 INFO L225 Difference]: With dead ends: 1409 [2021-11-25 18:19:25,991 INFO L226 Difference]: Without dead ends: 1409 [2021-11-25 18:19:25,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=613, Unknown=0, NotChecked=0, Total=812 [2021-11-25 18:19:25,992 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 201 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 1024 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:25,992 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 103 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1024 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:19:25,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1409 states. [2021-11-25 18:19:26,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1409 to 1051. [2021-11-25 18:19:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1051 states, 1039 states have (on average 1.9566891241578441) internal successors, (2033), 1050 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:26,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 1051 states and 2033 transitions. [2021-11-25 18:19:26,011 INFO L78 Accepts]: Start accepts. Automaton has 1051 states and 2033 transitions. Word has length 18 [2021-11-25 18:19:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:26,012 INFO L470 AbstractCegarLoop]: Abstraction has 1051 states and 2033 transitions. [2021-11-25 18:19:26,012 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 2033 transitions. [2021-11-25 18:19:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:26,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:26,013 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:26,013 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-25 18:19:26,014 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:26,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:26,014 INFO L85 PathProgramCache]: Analyzing trace with hash -934576770, now seen corresponding path program 15 times [2021-11-25 18:19:26,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:26,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502068721] [2021-11-25 18:19:26,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:26,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:26,245 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:26,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502068721] [2021-11-25 18:19:26,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502068721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:26,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:26,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:26,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968556717] [2021-11-25 18:19:26,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:26,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:26,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:26,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:26,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:26,246 INFO L87 Difference]: Start difference. First operand 1051 states and 2033 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:27,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:27,476 INFO L93 Difference]: Finished difference Result 1903 states and 3646 transitions. [2021-11-25 18:19:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 18:19:27,477 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:27,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:27,479 INFO L225 Difference]: With dead ends: 1903 [2021-11-25 18:19:27,480 INFO L226 Difference]: Without dead ends: 1903 [2021-11-25 18:19:27,480 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=645, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:19:27,480 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 271 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:27,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [271 Valid, 177 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:19:27,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2021-11-25 18:19:27,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1058. [2021-11-25 18:19:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 1046 states have (on average 1.9569789674952198) internal successors, (2047), 1057 states have internal predecessors, (2047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 2047 transitions. [2021-11-25 18:19:27,499 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 2047 transitions. Word has length 18 [2021-11-25 18:19:27,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:27,499 INFO L470 AbstractCegarLoop]: Abstraction has 1058 states and 2047 transitions. [2021-11-25 18:19:27,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2047 transitions. [2021-11-25 18:19:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:27,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:27,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:27,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-25 18:19:27,501 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:27,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:27,502 INFO L85 PathProgramCache]: Analyzing trace with hash 267067892, now seen corresponding path program 7 times [2021-11-25 18:19:27,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:27,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649609820] [2021-11-25 18:19:27,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:27,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:27,678 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:27,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649609820] [2021-11-25 18:19:27,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649609820] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:27,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:27,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:27,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081043259] [2021-11-25 18:19:27,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:27,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:27,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:27,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:27,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:27,680 INFO L87 Difference]: Start difference. First operand 1058 states and 2047 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:30,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:30,038 INFO L93 Difference]: Finished difference Result 1996 states and 3797 transitions. [2021-11-25 18:19:30,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-25 18:19:30,039 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:30,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:30,041 INFO L225 Difference]: With dead ends: 1996 [2021-11-25 18:19:30,041 INFO L226 Difference]: Without dead ends: 1996 [2021-11-25 18:19:30,041 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=363, Invalid=1119, Unknown=0, NotChecked=0, Total=1482 [2021-11-25 18:19:30,042 INFO L933 BasicCegarLoop]: 49 mSDtfsCounter, 251 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 2864 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 3000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:30,042 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 175 Invalid, 3000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2864 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:19:30,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states. [2021-11-25 18:19:30,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1036. [2021-11-25 18:19:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1024 states have (on average 1.9599609375) internal successors, (2007), 1035 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:30,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 2007 transitions. [2021-11-25 18:19:30,059 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 2007 transitions. Word has length 18 [2021-11-25 18:19:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:30,060 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 2007 transitions. [2021-11-25 18:19:30,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:30,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2007 transitions. [2021-11-25 18:19:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:30,061 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:30,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:30,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2021-11-25 18:19:30,062 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:30,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:30,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1741530214, now seen corresponding path program 16 times [2021-11-25 18:19:30,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:30,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390424250] [2021-11-25 18:19:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:30,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:30,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:30,424 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:30,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390424250] [2021-11-25 18:19:30,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390424250] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:30,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:30,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:30,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711887717] [2021-11-25 18:19:30,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:30,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:30,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:30,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:30,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:30,426 INFO L87 Difference]: Start difference. First operand 1036 states and 2007 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:31,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:31,642 INFO L93 Difference]: Finished difference Result 1138 states and 2185 transitions. [2021-11-25 18:19:31,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:19:31,643 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:31,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:31,644 INFO L225 Difference]: With dead ends: 1138 [2021-11-25 18:19:31,644 INFO L226 Difference]: Without dead ends: 1138 [2021-11-25 18:19:31,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2021-11-25 18:19:31,645 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 166 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:31,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 64 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:19:31,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2021-11-25 18:19:31,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1048. [2021-11-25 18:19:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 1036 states have (on average 1.9604247104247103) internal successors, (2031), 1047 states have internal predecessors, (2031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:31,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 2031 transitions. [2021-11-25 18:19:31,658 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 2031 transitions. Word has length 18 [2021-11-25 18:19:31,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:31,659 INFO L470 AbstractCegarLoop]: Abstraction has 1048 states and 2031 transitions. [2021-11-25 18:19:31,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 2031 transitions. [2021-11-25 18:19:31,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:31,660 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:31,660 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:31,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2021-11-25 18:19:31,660 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:31,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1565208842, now seen corresponding path program 17 times [2021-11-25 18:19:31,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:31,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094639466] [2021-11-25 18:19:31,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:31,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:31,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:31,979 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:31,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094639466] [2021-11-25 18:19:31,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094639466] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:31,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:31,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:31,980 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118516014] [2021-11-25 18:19:31,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:31,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:31,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:31,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:31,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:31,981 INFO L87 Difference]: Start difference. First operand 1048 states and 2031 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:33,376 INFO L93 Difference]: Finished difference Result 1154 states and 2215 transitions. [2021-11-25 18:19:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:19:33,377 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:33,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:33,378 INFO L225 Difference]: With dead ends: 1154 [2021-11-25 18:19:33,378 INFO L226 Difference]: Without dead ends: 1154 [2021-11-25 18:19:33,378 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2021-11-25 18:19:33,379 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 166 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:33,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 64 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:19:33,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2021-11-25 18:19:33,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1042. [2021-11-25 18:19:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 1030 states have (on average 1.9601941747572815) internal successors, (2019), 1041 states have internal predecessors, (2019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:33,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 2019 transitions. [2021-11-25 18:19:33,393 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 2019 transitions. Word has length 18 [2021-11-25 18:19:33,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:33,393 INFO L470 AbstractCegarLoop]: Abstraction has 1042 states and 2019 transitions. [2021-11-25 18:19:33,393 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:33,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 2019 transitions. [2021-11-25 18:19:33,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:33,394 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:33,395 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:33,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2021-11-25 18:19:33,395 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:33,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:33,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1191447770, now seen corresponding path program 18 times [2021-11-25 18:19:33,396 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:33,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593015434] [2021-11-25 18:19:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:33,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:33,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:33,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:33,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593015434] [2021-11-25 18:19:33,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593015434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:33,683 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:33,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:33,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923979823] [2021-11-25 18:19:33,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:33,683 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:33,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:33,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:33,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:33,685 INFO L87 Difference]: Start difference. First operand 1042 states and 2019 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:34,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:34,890 INFO L93 Difference]: Finished difference Result 1170 states and 2245 transitions. [2021-11-25 18:19:34,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 18:19:34,890 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:34,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:34,892 INFO L225 Difference]: With dead ends: 1170 [2021-11-25 18:19:34,892 INFO L226 Difference]: Without dead ends: 1170 [2021-11-25 18:19:34,892 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2021-11-25 18:19:34,893 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 172 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 1030 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:34,893 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [172 Valid, 64 Invalid, 1143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1030 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:19:34,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1170 states. [2021-11-25 18:19:34,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1170 to 1036. [2021-11-25 18:19:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1024 states have (on average 1.9599609375) internal successors, (2007), 1035 states have internal predecessors, (2007), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:34,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 2007 transitions. [2021-11-25 18:19:34,905 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 2007 transitions. Word has length 18 [2021-11-25 18:19:34,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:34,905 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 2007 transitions. [2021-11-25 18:19:34,906 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:34,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2007 transitions. [2021-11-25 18:19:34,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:34,907 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:34,907 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:34,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-11-25 18:19:34,907 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:34,908 INFO L85 PathProgramCache]: Analyzing trace with hash 7335990, now seen corresponding path program 19 times [2021-11-25 18:19:34,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:34,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636518715] [2021-11-25 18:19:34,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:34,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:35,172 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:35,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636518715] [2021-11-25 18:19:35,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636518715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:35,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:35,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:35,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928559724] [2021-11-25 18:19:35,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:35,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:35,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:35,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:35,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:35,174 INFO L87 Difference]: Start difference. First operand 1036 states and 2007 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:36,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:36,533 INFO L93 Difference]: Finished difference Result 1197 states and 2289 transitions. [2021-11-25 18:19:36,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:19:36,534 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:36,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:36,535 INFO L225 Difference]: With dead ends: 1197 [2021-11-25 18:19:36,535 INFO L226 Difference]: Without dead ends: 1197 [2021-11-25 18:19:36,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=233, Invalid=637, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:19:36,536 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 177 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:36,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 64 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:19:36,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1197 states. [2021-11-25 18:19:36,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1025. [2021-11-25 18:19:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1013 states have (on average 1.9595261599210267) internal successors, (1985), 1024 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1985 transitions. [2021-11-25 18:19:36,553 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1985 transitions. Word has length 18 [2021-11-25 18:19:36,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:36,553 INFO L470 AbstractCegarLoop]: Abstraction has 1025 states and 1985 transitions. [2021-11-25 18:19:36,553 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1985 transitions. [2021-11-25 18:19:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:36,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:36,554 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:36,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-11-25 18:19:36,554 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:36,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:36,555 INFO L85 PathProgramCache]: Analyzing trace with hash 331179138, now seen corresponding path program 20 times [2021-11-25 18:19:36,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:36,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316595528] [2021-11-25 18:19:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:36,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:36,943 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:36,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316595528] [2021-11-25 18:19:36,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316595528] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:36,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:36,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:36,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467115436] [2021-11-25 18:19:36,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:36,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:36,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:36,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:36,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:36,944 INFO L87 Difference]: Start difference. First operand 1025 states and 1985 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:37,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:37,833 INFO L93 Difference]: Finished difference Result 1121 states and 2151 transitions. [2021-11-25 18:19:37,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 18:19:37,834 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:37,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:37,835 INFO L225 Difference]: With dead ends: 1121 [2021-11-25 18:19:37,835 INFO L226 Difference]: Without dead ends: 1121 [2021-11-25 18:19:37,835 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=505, Unknown=0, NotChecked=0, Total=702 [2021-11-25 18:19:37,836 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 177 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:37,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 64 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-25 18:19:37,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2021-11-25 18:19:37,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1031. [2021-11-25 18:19:37,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 1019 states have (on average 1.9597644749754661) internal successors, (1997), 1030 states have internal predecessors, (1997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1997 transitions. [2021-11-25 18:19:37,853 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1997 transitions. Word has length 18 [2021-11-25 18:19:37,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:37,853 INFO L470 AbstractCegarLoop]: Abstraction has 1031 states and 1997 transitions. [2021-11-25 18:19:37,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1997 transitions. [2021-11-25 18:19:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:37,855 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:37,855 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:37,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2021-11-25 18:19:37,855 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:37,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:37,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1319407378, now seen corresponding path program 21 times [2021-11-25 18:19:37,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:37,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973060225] [2021-11-25 18:19:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:37,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:38,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:38,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:38,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973060225] [2021-11-25 18:19:38,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973060225] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:38,203 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:38,203 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:38,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061938121] [2021-11-25 18:19:38,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:38,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:38,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:38,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:38,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:38,204 INFO L87 Difference]: Start difference. First operand 1031 states and 1997 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:39,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:39,746 INFO L93 Difference]: Finished difference Result 1137 states and 2181 transitions. [2021-11-25 18:19:39,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 18:19:39,746 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:39,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:39,747 INFO L225 Difference]: With dead ends: 1137 [2021-11-25 18:19:39,748 INFO L226 Difference]: Without dead ends: 1137 [2021-11-25 18:19:39,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=587, Unknown=0, NotChecked=0, Total=812 [2021-11-25 18:19:39,748 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 170 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:39,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 64 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:19:39,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2021-11-25 18:19:39,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 1025. [2021-11-25 18:19:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 1013 states have (on average 1.9595261599210267) internal successors, (1985), 1024 states have internal predecessors, (1985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1985 transitions. [2021-11-25 18:19:39,761 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1985 transitions. Word has length 18 [2021-11-25 18:19:39,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:39,761 INFO L470 AbstractCegarLoop]: Abstraction has 1025 states and 1985 transitions. [2021-11-25 18:19:39,761 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1985 transitions. [2021-11-25 18:19:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:39,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:39,762 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:39,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-11-25 18:19:39,763 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:39,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1693168450, now seen corresponding path program 22 times [2021-11-25 18:19:39,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:39,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773259193] [2021-11-25 18:19:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:39,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:40,084 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:40,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773259193] [2021-11-25 18:19:40,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773259193] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:40,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:40,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:40,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630842082] [2021-11-25 18:19:40,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:40,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:40,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:40,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:40,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:40,086 INFO L87 Difference]: Start difference. First operand 1025 states and 1985 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:41,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:41,386 INFO L93 Difference]: Finished difference Result 1161 states and 2220 transitions. [2021-11-25 18:19:41,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:19:41,387 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:41,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:41,388 INFO L225 Difference]: With dead ends: 1161 [2021-11-25 18:19:41,388 INFO L226 Difference]: Without dead ends: 1161 [2021-11-25 18:19:41,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=243, Invalid=627, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:19:41,389 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 188 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:41,389 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [188 Valid, 64 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:19:41,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2021-11-25 18:19:41,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1014. [2021-11-25 18:19:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1002 states have (on average 1.9590818363273452) internal successors, (1963), 1013 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1963 transitions. [2021-11-25 18:19:41,407 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1963 transitions. Word has length 18 [2021-11-25 18:19:41,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:41,407 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1963 transitions. [2021-11-25 18:19:41,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1963 transitions. [2021-11-25 18:19:41,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:41,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:41,409 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:41,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2021-11-25 18:19:41,409 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:41,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1314753912, now seen corresponding path program 23 times [2021-11-25 18:19:41,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:41,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179080261] [2021-11-25 18:19:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:41,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:41,818 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:41,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179080261] [2021-11-25 18:19:41,818 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179080261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:41,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:41,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:41,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025533256] [2021-11-25 18:19:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:41,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:41,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:41,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:41,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:41,819 INFO L87 Difference]: Start difference. First operand 1014 states and 1963 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:42,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:42,941 INFO L93 Difference]: Finished difference Result 1098 states and 2105 transitions. [2021-11-25 18:19:42,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:19:42,942 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:42,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:42,943 INFO L225 Difference]: With dead ends: 1098 [2021-11-25 18:19:42,943 INFO L226 Difference]: Without dead ends: 1098 [2021-11-25 18:19:42,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=535, Unknown=0, NotChecked=0, Total=756 [2021-11-25 18:19:42,944 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 182 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:42,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 64 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:19:42,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1098 states. [2021-11-25 18:19:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1098 to 1008. [2021-11-25 18:19:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 996 states have (on average 1.9588353413654618) internal successors, (1951), 1007 states have internal predecessors, (1951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:42,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1951 transitions. [2021-11-25 18:19:42,958 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1951 transitions. Word has length 18 [2021-11-25 18:19:42,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:42,958 INFO L470 AbstractCegarLoop]: Abstraction has 1008 states and 1951 transitions. [2021-11-25 18:19:42,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1951 transitions. [2021-11-25 18:19:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:42,959 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:42,960 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:42,960 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-11-25 18:19:42,960 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:42,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:42,960 INFO L85 PathProgramCache]: Analyzing trace with hash -326525672, now seen corresponding path program 24 times [2021-11-25 18:19:42,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:42,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824737235] [2021-11-25 18:19:42,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:42,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:43,325 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:43,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824737235] [2021-11-25 18:19:43,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824737235] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:43,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:43,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:19:43,326 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463164303] [2021-11-25 18:19:43,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:43,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:19:43,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:43,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:19:43,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:19:43,327 INFO L87 Difference]: Start difference. First operand 1008 states and 1951 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:45,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:45,167 INFO L93 Difference]: Finished difference Result 1104 states and 2111 transitions. [2021-11-25 18:19:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:19:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:19:45,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:45,169 INFO L225 Difference]: With dead ends: 1104 [2021-11-25 18:19:45,169 INFO L226 Difference]: Without dead ends: 1104 [2021-11-25 18:19:45,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=255, Invalid=615, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:19:45,170 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 180 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:45,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 64 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:19:45,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1104 states. [2021-11-25 18:19:45,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1104 to 992. [2021-11-25 18:19:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.9540816326530612) internal successors, (1915), 991 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:45,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1915 transitions. [2021-11-25 18:19:45,183 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1915 transitions. Word has length 18 [2021-11-25 18:19:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:45,183 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1915 transitions. [2021-11-25 18:19:45,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:19:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1915 transitions. [2021-11-25 18:19:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:45,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:45,185 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:45,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-11-25 18:19:45,185 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:45,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:45,186 INFO L85 PathProgramCache]: Analyzing trace with hash -731919350, now seen corresponding path program 8 times [2021-11-25 18:19:45,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:45,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972038857] [2021-11-25 18:19:45,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:45,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:45,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:45,410 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:45,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972038857] [2021-11-25 18:19:45,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972038857] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:45,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:45,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:45,411 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582759752] [2021-11-25 18:19:45,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:45,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:45,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:45,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:45,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:45,412 INFO L87 Difference]: Start difference. First operand 992 states and 1915 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:46,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:46,957 INFO L93 Difference]: Finished difference Result 2292 states and 4343 transitions. [2021-11-25 18:19:46,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:19:46,957 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:46,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:46,960 INFO L225 Difference]: With dead ends: 2292 [2021-11-25 18:19:46,961 INFO L226 Difference]: Without dead ends: 2292 [2021-11-25 18:19:46,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-11-25 18:19:46,962 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 251 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 1778 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 1871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:46,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [251 Valid, 321 Invalid, 1871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1778 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:19:46,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2021-11-25 18:19:46,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 996. [2021-11-25 18:19:46,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 984 states have (on average 1.954268292682927) internal successors, (1923), 995 states have internal predecessors, (1923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1923 transitions. [2021-11-25 18:19:46,979 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1923 transitions. Word has length 18 [2021-11-25 18:19:46,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:46,979 INFO L470 AbstractCegarLoop]: Abstraction has 996 states and 1923 transitions. [2021-11-25 18:19:46,979 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:46,979 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1923 transitions. [2021-11-25 18:19:46,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:46,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:46,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:46,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2021-11-25 18:19:46,985 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:46,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:46,986 INFO L85 PathProgramCache]: Analyzing trace with hash -724783460, now seen corresponding path program 9 times [2021-11-25 18:19:46,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:46,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912481453] [2021-11-25 18:19:46,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:46,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:47,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:47,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912481453] [2021-11-25 18:19:47,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912481453] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:47,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:47,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:47,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304936764] [2021-11-25 18:19:47,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:47,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:47,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:47,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:47,186 INFO L87 Difference]: Start difference. First operand 996 states and 1923 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:48,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:48,438 INFO L93 Difference]: Finished difference Result 2370 states and 4489 transitions. [2021-11-25 18:19:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 18:19:48,438 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:48,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:48,440 INFO L225 Difference]: With dead ends: 2370 [2021-11-25 18:19:48,441 INFO L226 Difference]: Without dead ends: 2370 [2021-11-25 18:19:48,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2021-11-25 18:19:48,443 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 265 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:48,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [265 Valid, 321 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:19:48,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2021-11-25 18:19:48,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 1005. [2021-11-25 18:19:48,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 993 states have (on average 1.9556898288016114) internal successors, (1942), 1004 states have internal predecessors, (1942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1942 transitions. [2021-11-25 18:19:48,470 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1942 transitions. Word has length 18 [2021-11-25 18:19:48,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:48,470 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1942 transitions. [2021-11-25 18:19:48,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:48,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1942 transitions. [2021-11-25 18:19:48,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:48,471 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:48,472 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:48,472 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2021-11-25 18:19:48,472 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:48,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:48,473 INFO L85 PathProgramCache]: Analyzing trace with hash -574636820, now seen corresponding path program 10 times [2021-11-25 18:19:48,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:48,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435010033] [2021-11-25 18:19:48,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:48,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:48,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:48,664 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:48,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435010033] [2021-11-25 18:19:48,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435010033] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:48,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:48,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:48,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790596592] [2021-11-25 18:19:48,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:48,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:48,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:48,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:48,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:48,665 INFO L87 Difference]: Start difference. First operand 1005 states and 1942 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:50,485 INFO L93 Difference]: Finished difference Result 2428 states and 4605 transitions. [2021-11-25 18:19:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-25 18:19:50,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:50,489 INFO L225 Difference]: With dead ends: 2428 [2021-11-25 18:19:50,489 INFO L226 Difference]: Without dead ends: 2428 [2021-11-25 18:19:50,489 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=516, Unknown=0, NotChecked=0, Total=650 [2021-11-25 18:19:50,490 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 261 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 2219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:50,490 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [261 Valid, 321 Invalid, 2219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:19:50,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2428 states. [2021-11-25 18:19:50,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2428 to 1014. [2021-11-25 18:19:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 1002 states have (on average 1.9570858283433135) internal successors, (1961), 1013 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:50,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1961 transitions. [2021-11-25 18:19:50,514 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1961 transitions. Word has length 18 [2021-11-25 18:19:50,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:50,515 INFO L470 AbstractCegarLoop]: Abstraction has 1014 states and 1961 transitions. [2021-11-25 18:19:50,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1961 transitions. [2021-11-25 18:19:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:50,516 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:50,516 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:50,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-11-25 18:19:50,516 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:50,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:50,517 INFO L85 PathProgramCache]: Analyzing trace with hash -502424932, now seen corresponding path program 11 times [2021-11-25 18:19:50,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:50,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088488761] [2021-11-25 18:19:50,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:50,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:50,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:50,689 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:50,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088488761] [2021-11-25 18:19:50,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088488761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:50,689 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:50,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:50,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107077610] [2021-11-25 18:19:50,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:50,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:50,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:50,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:50,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:50,691 INFO L87 Difference]: Start difference. First operand 1014 states and 1961 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:53,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:53,205 INFO L93 Difference]: Finished difference Result 2561 states and 4871 transitions. [2021-11-25 18:19:53,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-11-25 18:19:53,206 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:53,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:53,208 INFO L225 Difference]: With dead ends: 2561 [2021-11-25 18:19:53,208 INFO L226 Difference]: Without dead ends: 2561 [2021-11-25 18:19:53,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=731, Unknown=0, NotChecked=0, Total=930 [2021-11-25 18:19:53,209 INFO L933 BasicCegarLoop]: 84 mSDtfsCounter, 226 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 3432 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 3544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 3432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:53,210 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [226 Valid, 308 Invalid, 3544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 3432 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2021-11-25 18:19:53,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2021-11-25 18:19:53,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 1023. [2021-11-25 18:19:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1023 states, 1011 states have (on average 1.9584569732937684) internal successors, (1980), 1022 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 1023 states and 1980 transitions. [2021-11-25 18:19:53,234 INFO L78 Accepts]: Start accepts. Automaton has 1023 states and 1980 transitions. Word has length 18 [2021-11-25 18:19:53,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:53,235 INFO L470 AbstractCegarLoop]: Abstraction has 1023 states and 1980 transitions. [2021-11-25 18:19:53,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 1980 transitions. [2021-11-25 18:19:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:53,236 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:53,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:53,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-11-25 18:19:53,236 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:53,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:53,237 INFO L85 PathProgramCache]: Analyzing trace with hash -866602320, now seen corresponding path program 25 times [2021-11-25 18:19:53,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:53,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949978630] [2021-11-25 18:19:53,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:53,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:53,422 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:53,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949978630] [2021-11-25 18:19:53,422 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949978630] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:53,422 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:53,422 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:53,422 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816211541] [2021-11-25 18:19:53,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:53,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:53,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:53,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:53,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:53,423 INFO L87 Difference]: Start difference. First operand 1023 states and 1980 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:54,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:54,626 INFO L93 Difference]: Finished difference Result 2578 states and 4959 transitions. [2021-11-25 18:19:54,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-25 18:19:54,627 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:54,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:54,629 INFO L225 Difference]: With dead ends: 2578 [2021-11-25 18:19:54,629 INFO L226 Difference]: Without dead ends: 2578 [2021-11-25 18:19:54,630 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=444, Unknown=0, NotChecked=0, Total=552 [2021-11-25 18:19:54,630 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 238 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 1638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:54,630 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [238 Valid, 346 Invalid, 1638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:19:54,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2578 states. [2021-11-25 18:19:54,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2578 to 1029. [2021-11-25 18:19:54,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 1017 states have (on average 1.9557522123893805) internal successors, (1989), 1028 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:54,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1989 transitions. [2021-11-25 18:19:54,652 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1989 transitions. Word has length 18 [2021-11-25 18:19:54,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:54,652 INFO L470 AbstractCegarLoop]: Abstraction has 1029 states and 1989 transitions. [2021-11-25 18:19:54,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:54,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1989 transitions. [2021-11-25 18:19:54,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:54,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:54,653 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:54,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-11-25 18:19:54,653 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:54,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:54,653 INFO L85 PathProgramCache]: Analyzing trace with hash 335042342, now seen corresponding path program 12 times [2021-11-25 18:19:54,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:54,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689038867] [2021-11-25 18:19:54,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:54,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:54,820 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:54,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689038867] [2021-11-25 18:19:54,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689038867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:54,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:54,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:54,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286908028] [2021-11-25 18:19:54,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:54,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:54,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:54,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:54,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:54,822 INFO L87 Difference]: Start difference. First operand 1029 states and 1989 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:56,949 INFO L93 Difference]: Finished difference Result 2808 states and 5328 transitions. [2021-11-25 18:19:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-25 18:19:56,949 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:56,952 INFO L225 Difference]: With dead ends: 2808 [2021-11-25 18:19:56,953 INFO L226 Difference]: Without dead ends: 2808 [2021-11-25 18:19:56,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=842, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:19:56,953 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 296 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 2914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:56,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [296 Valid, 329 Invalid, 2914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:19:56,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2808 states. [2021-11-25 18:19:56,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2808 to 992. [2021-11-25 18:19:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 992 states, 980 states have (on average 1.9540816326530612) internal successors, (1915), 991 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1915 transitions. [2021-11-25 18:19:56,973 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1915 transitions. Word has length 18 [2021-11-25 18:19:56,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:56,973 INFO L470 AbstractCegarLoop]: Abstraction has 992 states and 1915 transitions. [2021-11-25 18:19:56,973 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:56,973 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1915 transitions. [2021-11-25 18:19:56,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:56,974 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:56,974 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:56,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-11-25 18:19:56,974 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:56,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash -409834324, now seen corresponding path program 26 times [2021-11-25 18:19:56,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:56,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54684331] [2021-11-25 18:19:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:56,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:57,253 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:57,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54684331] [2021-11-25 18:19:57,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54684331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:57,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:57,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:57,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593852663] [2021-11-25 18:19:57,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:57,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:57,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:57,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:57,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:57,255 INFO L87 Difference]: Start difference. First operand 992 states and 1915 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:58,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:58,299 INFO L93 Difference]: Finished difference Result 1554 states and 3022 transitions. [2021-11-25 18:19:58,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:19:58,299 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:58,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:58,301 INFO L225 Difference]: With dead ends: 1554 [2021-11-25 18:19:58,301 INFO L226 Difference]: Without dead ends: 1554 [2021-11-25 18:19:58,302 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:19:58,302 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 144 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:58,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [144 Valid, 212 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:19:58,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2021-11-25 18:19:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 1005. [2021-11-25 18:19:58,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 993 states have (on average 1.9546827794561934) internal successors, (1941), 1004 states have internal predecessors, (1941), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:58,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1941 transitions. [2021-11-25 18:19:58,323 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1941 transitions. Word has length 18 [2021-11-25 18:19:58,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:58,324 INFO L470 AbstractCegarLoop]: Abstraction has 1005 states and 1941 transitions. [2021-11-25 18:19:58,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1941 transitions. [2021-11-25 18:19:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:58,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:58,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:58,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2021-11-25 18:19:58,325 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:58,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:58,326 INFO L85 PathProgramCache]: Analyzing trace with hash -406028764, now seen corresponding path program 27 times [2021-11-25 18:19:58,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:58,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965714101] [2021-11-25 18:19:58,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:58,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:19:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:19:58,616 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:19:58,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965714101] [2021-11-25 18:19:58,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965714101] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:19:58,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:19:58,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:19:58,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211459159] [2021-11-25 18:19:58,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:19:58,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:19:58,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:19:58,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:19:58,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:19:58,618 INFO L87 Difference]: Start difference. First operand 1005 states and 1941 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:59,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:19:59,800 INFO L93 Difference]: Finished difference Result 1580 states and 3072 transitions. [2021-11-25 18:19:59,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 18:19:59,800 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:19:59,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:19:59,802 INFO L225 Difference]: With dead ends: 1580 [2021-11-25 18:19:59,802 INFO L226 Difference]: Without dead ends: 1580 [2021-11-25 18:19:59,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:19:59,803 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 151 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:19:59,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 212 Invalid, 1177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1146 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:19:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2021-11-25 18:19:59,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1013. [2021-11-25 18:19:59,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 1001 states have (on average 1.9550449550449551) internal successors, (1957), 1012 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:19:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1957 transitions. [2021-11-25 18:19:59,817 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1957 transitions. Word has length 18 [2021-11-25 18:19:59,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:19:59,818 INFO L470 AbstractCegarLoop]: Abstraction has 1013 states and 1957 transitions. [2021-11-25 18:19:59,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:19:59,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1957 transitions. [2021-11-25 18:19:59,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:19:59,819 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:19:59,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:19:59,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-11-25 18:19:59,819 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:19:59,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:19:59,820 INFO L85 PathProgramCache]: Analyzing trace with hash -287162674, now seen corresponding path program 28 times [2021-11-25 18:19:59,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:19:59,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582552687] [2021-11-25 18:19:59,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:19:59,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:19:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:00,020 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:00,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582552687] [2021-11-25 18:20:00,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582552687] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:00,020 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:00,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:00,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894233411] [2021-11-25 18:20:00,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:00,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:00,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:00,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:00,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:00,021 INFO L87 Difference]: Start difference. First operand 1013 states and 1957 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:00,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:00,876 INFO L93 Difference]: Finished difference Result 1606 states and 3122 transitions. [2021-11-25 18:20:00,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 18:20:00,877 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:00,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:00,878 INFO L225 Difference]: With dead ends: 1606 [2021-11-25 18:20:00,878 INFO L226 Difference]: Without dead ends: 1606 [2021-11-25 18:20:00,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2021-11-25 18:20:00,879 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 158 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:00,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 212 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:20:00,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-11-25 18:20:00,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1021. [2021-11-25 18:20:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1021 states, 1009 states have (on average 1.9554013875123886) internal successors, (1973), 1020 states have internal predecessors, (1973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1973 transitions. [2021-11-25 18:20:00,894 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1973 transitions. Word has length 18 [2021-11-25 18:20:00,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:00,895 INFO L470 AbstractCegarLoop]: Abstraction has 1021 states and 1973 transitions. [2021-11-25 18:20:00,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1973 transitions. [2021-11-25 18:20:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:00,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:00,895 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:00,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2021-11-25 18:20:00,896 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:00,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:00,896 INFO L85 PathProgramCache]: Analyzing trace with hash -869575550, now seen corresponding path program 29 times [2021-11-25 18:20:00,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:00,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837062264] [2021-11-25 18:20:00,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:00,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:01,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:01,180 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:01,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837062264] [2021-11-25 18:20:01,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837062264] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:01,180 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:01,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:01,181 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446424888] [2021-11-25 18:20:01,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:01,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:01,181 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:01,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:01,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:01,182 INFO L87 Difference]: Start difference. First operand 1021 states and 1973 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:02,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:02,202 INFO L93 Difference]: Finished difference Result 1632 states and 3172 transitions. [2021-11-25 18:20:02,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 18:20:02,203 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:02,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:02,204 INFO L225 Difference]: With dead ends: 1632 [2021-11-25 18:20:02,204 INFO L226 Difference]: Without dead ends: 1632 [2021-11-25 18:20:02,205 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2021-11-25 18:20:02,205 INFO L933 BasicCegarLoop]: 66 mSDtfsCounter, 158 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 1115 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:02,205 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 212 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1115 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:20:02,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2021-11-25 18:20:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1029. [2021-11-25 18:20:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 1017 states have (on average 1.9557522123893805) internal successors, (1989), 1028 states have internal predecessors, (1989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1989 transitions. [2021-11-25 18:20:02,217 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1989 transitions. Word has length 18 [2021-11-25 18:20:02,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:02,217 INFO L470 AbstractCegarLoop]: Abstraction has 1029 states and 1989 transitions. [2021-11-25 18:20:02,218 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:02,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1989 transitions. [2021-11-25 18:20:02,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:02,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:02,218 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:02,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-11-25 18:20:02,219 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:02,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:02,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1699317642, now seen corresponding path program 30 times [2021-11-25 18:20:02,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:02,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137212528] [2021-11-25 18:20:02,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:02,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:02,485 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:02,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137212528] [2021-11-25 18:20:02,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137212528] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:02,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:02,486 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:02,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626713608] [2021-11-25 18:20:02,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:02,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:02,486 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:02,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:02,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:02,487 INFO L87 Difference]: Start difference. First operand 1029 states and 1989 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:03,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:03,492 INFO L93 Difference]: Finished difference Result 2121 states and 4093 transitions. [2021-11-25 18:20:03,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 18:20:03,492 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:03,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:03,494 INFO L225 Difference]: With dead ends: 2121 [2021-11-25 18:20:03,495 INFO L226 Difference]: Without dead ends: 2121 [2021-11-25 18:20:03,496 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:20:03,496 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 192 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:03,497 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [192 Valid, 305 Invalid, 1249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:20:03,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2121 states. [2021-11-25 18:20:03,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2121 to 1036. [2021-11-25 18:20:03,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 1024 states have (on average 1.9560546875) internal successors, (2003), 1035 states have internal predecessors, (2003), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:03,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 2003 transitions. [2021-11-25 18:20:03,515 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 2003 transitions. Word has length 18 [2021-11-25 18:20:03,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:03,516 INFO L470 AbstractCegarLoop]: Abstraction has 1036 states and 2003 transitions. [2021-11-25 18:20:03,516 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:03,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2003 transitions. [2021-11-25 18:20:03,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:03,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:03,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:03,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2021-11-25 18:20:03,517 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:03,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:03,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1394004992, now seen corresponding path program 13 times [2021-11-25 18:20:03,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:03,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181044504] [2021-11-25 18:20:03,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:03,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:03,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:03,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181044504] [2021-11-25 18:20:03,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181044504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:03,675 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:03,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:03,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325403519] [2021-11-25 18:20:03,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:03,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:03,676 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:03,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:03,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:03,677 INFO L87 Difference]: Start difference. First operand 1036 states and 2003 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:05,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:05,604 INFO L93 Difference]: Finished difference Result 2202 states and 4209 transitions. [2021-11-25 18:20:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:20:05,604 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:05,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:05,607 INFO L225 Difference]: With dead ends: 2202 [2021-11-25 18:20:05,607 INFO L226 Difference]: Without dead ends: 2202 [2021-11-25 18:20:05,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2021-11-25 18:20:05,608 INFO L933 BasicCegarLoop]: 75 mSDtfsCounter, 248 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 2993 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:05,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [248 Valid, 295 Invalid, 3080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2993 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:20:05,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2202 states. [2021-11-25 18:20:05,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2202 to 1002. [2021-11-25 18:20:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1002 states, 990 states have (on average 1.9585858585858587) internal successors, (1939), 1001 states have internal predecessors, (1939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 1002 states and 1939 transitions. [2021-11-25 18:20:05,621 INFO L78 Accepts]: Start accepts. Automaton has 1002 states and 1939 transitions. Word has length 18 [2021-11-25 18:20:05,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:05,621 INFO L470 AbstractCegarLoop]: Abstraction has 1002 states and 1939 transitions. [2021-11-25 18:20:05,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1939 transitions. [2021-11-25 18:20:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:05,622 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:05,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:05,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2021-11-25 18:20:05,623 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:05,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:05,623 INFO L85 PathProgramCache]: Analyzing trace with hash -438213314, now seen corresponding path program 31 times [2021-11-25 18:20:05,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:05,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552804783] [2021-11-25 18:20:05,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:05,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:05,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:05,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552804783] [2021-11-25 18:20:05,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552804783] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:05,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:05,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:05,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045508427] [2021-11-25 18:20:05,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:05,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:05,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:05,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:05,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:05,916 INFO L87 Difference]: Start difference. First operand 1002 states and 1939 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:06,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:06,994 INFO L93 Difference]: Finished difference Result 1740 states and 3393 transitions. [2021-11-25 18:20:06,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 18:20:06,995 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:20:06,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:06,997 INFO L225 Difference]: With dead ends: 1740 [2021-11-25 18:20:06,997 INFO L226 Difference]: Without dead ends: 1740 [2021-11-25 18:20:06,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2021-11-25 18:20:06,997 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 181 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 991 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 991 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:06,997 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 156 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 991 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:20:06,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2021-11-25 18:20:07,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 996. [2021-11-25 18:20:07,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 996 states, 984 states have (on average 1.9583333333333333) internal successors, (1927), 995 states have internal predecessors, (1927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:07,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1927 transitions. [2021-11-25 18:20:07,010 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1927 transitions. Word has length 18 [2021-11-25 18:20:07,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:07,010 INFO L470 AbstractCegarLoop]: Abstraction has 996 states and 1927 transitions. [2021-11-25 18:20:07,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:07,010 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1927 transitions. [2021-11-25 18:20:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:07,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:07,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:07,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2021-11-25 18:20:07,011 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:07,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:07,011 INFO L85 PathProgramCache]: Analyzing trace with hash -600641534, now seen corresponding path program 32 times [2021-11-25 18:20:07,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:07,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044831536] [2021-11-25 18:20:07,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:07,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:07,296 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:07,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044831536] [2021-11-25 18:20:07,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044831536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:07,297 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:07,297 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:07,297 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138712080] [2021-11-25 18:20:07,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:07,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:07,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:07,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:07,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:07,298 INFO L87 Difference]: Start difference. First operand 996 states and 1927 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:08,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:08,808 INFO L93 Difference]: Finished difference Result 1754 states and 3419 transitions. [2021-11-25 18:20:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-11-25 18:20:08,809 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:20:08,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:08,811 INFO L225 Difference]: With dead ends: 1754 [2021-11-25 18:20:08,811 INFO L226 Difference]: Without dead ends: 1754 [2021-11-25 18:20:08,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2021-11-25 18:20:08,811 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 176 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:08,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [176 Valid, 154 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1593 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:20:08,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1754 states. [2021-11-25 18:20:08,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1754 to 990. [2021-11-25 18:20:08,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 978 states have (on average 1.9580777096114519) internal successors, (1915), 989 states have internal predecessors, (1915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1915 transitions. [2021-11-25 18:20:08,823 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1915 transitions. Word has length 18 [2021-11-25 18:20:08,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:08,824 INFO L470 AbstractCegarLoop]: Abstraction has 990 states and 1915 transitions. [2021-11-25 18:20:08,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1915 transitions. [2021-11-25 18:20:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:08,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:08,824 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:08,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2021-11-25 18:20:08,825 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:08,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:08,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1312349698, now seen corresponding path program 33 times [2021-11-25 18:20:08,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:08,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199002252] [2021-11-25 18:20:08,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:08,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:08,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:09,078 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:09,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199002252] [2021-11-25 18:20:09,078 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199002252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:09,078 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:09,078 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:09,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622426207] [2021-11-25 18:20:09,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:09,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:09,078 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:09,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:09,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:09,079 INFO L87 Difference]: Start difference. First operand 990 states and 1915 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:10,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:10,501 INFO L93 Difference]: Finished difference Result 1784 states and 3475 transitions. [2021-11-25 18:20:10,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:20:10,502 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:20:10,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:10,503 INFO L225 Difference]: With dead ends: 1784 [2021-11-25 18:20:10,503 INFO L226 Difference]: Without dead ends: 1784 [2021-11-25 18:20:10,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2021-11-25 18:20:10,504 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 175 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:10,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 152 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 1638 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:20:10,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1784 states. [2021-11-25 18:20:10,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1784 to 984. [2021-11-25 18:20:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 984 states, 972 states have (on average 1.9578189300411524) internal successors, (1903), 983 states have internal predecessors, (1903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:10,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 984 states and 1903 transitions. [2021-11-25 18:20:10,516 INFO L78 Accepts]: Start accepts. Automaton has 984 states and 1903 transitions. Word has length 18 [2021-11-25 18:20:10,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:10,517 INFO L470 AbstractCegarLoop]: Abstraction has 984 states and 1903 transitions. [2021-11-25 18:20:10,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:10,517 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1903 transitions. [2021-11-25 18:20:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:10,517 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:10,517 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:10,517 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-11-25 18:20:10,518 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:10,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1176011842, now seen corresponding path program 34 times [2021-11-25 18:20:10,518 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:10,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329566143] [2021-11-25 18:20:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:10,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:10,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:10,771 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:10,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329566143] [2021-11-25 18:20:10,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329566143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:10,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:10,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:10,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991187950] [2021-11-25 18:20:10,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:10,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:10,772 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:10,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:10,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:10,772 INFO L87 Difference]: Start difference. First operand 984 states and 1903 transitions. Second operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:12,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:12,446 INFO L93 Difference]: Finished difference Result 1772 states and 3448 transitions. [2021-11-25 18:20:12,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-11-25 18:20:12,446 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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 [2021-11-25 18:20:12,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:12,448 INFO L225 Difference]: With dead ends: 1772 [2021-11-25 18:20:12,448 INFO L226 Difference]: Without dead ends: 1772 [2021-11-25 18:20:12,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=122, Invalid=478, Unknown=0, NotChecked=0, Total=600 [2021-11-25 18:20:12,449 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 175 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 1708 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 1781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:12,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [175 Valid, 150 Invalid, 1781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1708 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:20:12,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2021-11-25 18:20:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 950. [2021-11-25 18:20:12,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 938 states have (on average 1.9520255863539446) internal successors, (1831), 949 states have internal predecessors, (1831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:12,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1831 transitions. [2021-11-25 18:20:12,460 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1831 transitions. Word has length 18 [2021-11-25 18:20:12,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:12,460 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1831 transitions. [2021-11-25 18:20:12,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-11-25 18:20:12,460 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1831 transitions. [2021-11-25 18:20:12,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:12,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:12,461 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:12,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2021-11-25 18:20:12,461 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:12,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:12,462 INFO L85 PathProgramCache]: Analyzing trace with hash -43816326, now seen corresponding path program 14 times [2021-11-25 18:20:12,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:12,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40335876] [2021-11-25 18:20:12,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:12,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:12,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:12,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:12,659 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:12,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40335876] [2021-11-25 18:20:12,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40335876] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:12,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:12,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:12,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61309318] [2021-11-25 18:20:12,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:12,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:12,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:12,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:12,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:12,661 INFO L87 Difference]: Start difference. First operand 950 states and 1831 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:13,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:13,896 INFO L93 Difference]: Finished difference Result 2294 states and 4347 transitions. [2021-11-25 18:20:13,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 18:20:13,897 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:13,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:13,899 INFO L225 Difference]: With dead ends: 2294 [2021-11-25 18:20:13,899 INFO L226 Difference]: Without dead ends: 2294 [2021-11-25 18:20:13,900 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:20:13,900 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 464 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:13,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [464 Valid, 147 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:20:13,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2294 states. [2021-11-25 18:20:13,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2294 to 953. [2021-11-25 18:20:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 953 states, 941 states have (on average 1.9521785334750266) internal successors, (1837), 952 states have internal predecessors, (1837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 953 states and 1837 transitions. [2021-11-25 18:20:13,913 INFO L78 Accepts]: Start accepts. Automaton has 953 states and 1837 transitions. Word has length 18 [2021-11-25 18:20:13,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:13,914 INFO L470 AbstractCegarLoop]: Abstraction has 953 states and 1837 transitions. [2021-11-25 18:20:13,914 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1837 transitions. [2021-11-25 18:20:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:13,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:13,914 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:13,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2021-11-25 18:20:13,915 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:13,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:13,915 INFO L85 PathProgramCache]: Analyzing trace with hash -36680436, now seen corresponding path program 15 times [2021-11-25 18:20:13,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:13,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864769664] [2021-11-25 18:20:13,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:13,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:14,119 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:14,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864769664] [2021-11-25 18:20:14,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864769664] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:14,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:14,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:14,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105492504] [2021-11-25 18:20:14,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:14,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:14,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:14,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:14,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:14,121 INFO L87 Difference]: Start difference. First operand 953 states and 1837 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:15,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:15,531 INFO L93 Difference]: Finished difference Result 2372 states and 4493 transitions. [2021-11-25 18:20:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 18:20:15,532 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:15,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:15,534 INFO L225 Difference]: With dead ends: 2372 [2021-11-25 18:20:15,534 INFO L226 Difference]: Without dead ends: 2372 [2021-11-25 18:20:15,535 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=234, Invalid=758, Unknown=0, NotChecked=0, Total=992 [2021-11-25 18:20:15,535 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 461 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 461 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:15,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [461 Valid, 146 Invalid, 1587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:20:15,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2021-11-25 18:20:15,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 962. [2021-11-25 18:20:15,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 950 states have (on average 1.9536842105263157) internal successors, (1856), 961 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:15,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1856 transitions. [2021-11-25 18:20:15,551 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1856 transitions. Word has length 18 [2021-11-25 18:20:15,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:15,551 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1856 transitions. [2021-11-25 18:20:15,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:15,552 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1856 transitions. [2021-11-25 18:20:15,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:15,552 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:15,552 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:15,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2021-11-25 18:20:15,552 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:15,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:15,553 INFO L85 PathProgramCache]: Analyzing trace with hash 113466204, now seen corresponding path program 16 times [2021-11-25 18:20:15,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:15,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136453631] [2021-11-25 18:20:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:15,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:15,721 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:15,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136453631] [2021-11-25 18:20:15,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136453631] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:15,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:15,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:15,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055373197] [2021-11-25 18:20:15,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:15,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:15,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:15,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:15,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:15,722 INFO L87 Difference]: Start difference. First operand 962 states and 1856 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:17,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:17,453 INFO L93 Difference]: Finished difference Result 2430 states and 4609 transitions. [2021-11-25 18:20:17,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-25 18:20:17,454 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:17,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:17,457 INFO L225 Difference]: With dead ends: 2430 [2021-11-25 18:20:17,457 INFO L226 Difference]: Without dead ends: 2430 [2021-11-25 18:20:17,457 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=818, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:20:17,457 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 392 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 1990 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:17,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [392 Valid, 146 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1990 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:20:17,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2021-11-25 18:20:17,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 971. [2021-11-25 18:20:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 959 states have (on average 1.9551616266944734) internal successors, (1875), 970 states have internal predecessors, (1875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:17,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 1875 transitions. [2021-11-25 18:20:17,473 INFO L78 Accepts]: Start accepts. Automaton has 971 states and 1875 transitions. Word has length 18 [2021-11-25 18:20:17,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:17,473 INFO L470 AbstractCegarLoop]: Abstraction has 971 states and 1875 transitions. [2021-11-25 18:20:17,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:17,473 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1875 transitions. [2021-11-25 18:20:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:17,474 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:17,474 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:17,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2021-11-25 18:20:17,474 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:17,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:17,475 INFO L85 PathProgramCache]: Analyzing trace with hash 185678092, now seen corresponding path program 17 times [2021-11-25 18:20:17,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:17,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330520861] [2021-11-25 18:20:17,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:17,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:17,634 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:17,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330520861] [2021-11-25 18:20:17,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330520861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:17,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:17,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:17,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862567904] [2021-11-25 18:20:17,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:17,635 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:17,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:17,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:17,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:17,636 INFO L87 Difference]: Start difference. First operand 971 states and 1875 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:19,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:19,631 INFO L93 Difference]: Finished difference Result 2634 states and 5017 transitions. [2021-11-25 18:20:19,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-25 18:20:19,632 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:19,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:19,635 INFO L225 Difference]: With dead ends: 2634 [2021-11-25 18:20:19,635 INFO L226 Difference]: Without dead ends: 2634 [2021-11-25 18:20:19,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=360, Invalid=1200, Unknown=0, NotChecked=0, Total=1560 [2021-11-25 18:20:19,635 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 421 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 2140 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 2350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 2140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:19,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [421 Valid, 146 Invalid, 2350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 2140 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:20:19,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2634 states. [2021-11-25 18:20:19,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2634 to 976. [2021-11-25 18:20:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 964 states have (on average 1.9564315352697095) internal successors, (1886), 975 states have internal predecessors, (1886), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:19,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1886 transitions. [2021-11-25 18:20:19,653 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1886 transitions. Word has length 18 [2021-11-25 18:20:19,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:19,653 INFO L470 AbstractCegarLoop]: Abstraction has 976 states and 1886 transitions. [2021-11-25 18:20:19,653 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1886 transitions. [2021-11-25 18:20:19,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:19,654 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:19,654 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:19,654 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-11-25 18:20:19,654 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:19,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:19,654 INFO L85 PathProgramCache]: Analyzing trace with hash -178499296, now seen corresponding path program 35 times [2021-11-25 18:20:19,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:19,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077067787] [2021-11-25 18:20:19,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:19,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:19,827 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:19,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077067787] [2021-11-25 18:20:19,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077067787] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:19,828 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:19,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:19,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816211265] [2021-11-25 18:20:19,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:19,828 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:19,828 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:19,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:19,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:19,829 INFO L87 Difference]: Start difference. First operand 976 states and 1886 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:20,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:20,968 INFO L93 Difference]: Finished difference Result 2046 states and 3950 transitions. [2021-11-25 18:20:20,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 18:20:20,968 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:20,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:20,970 INFO L225 Difference]: With dead ends: 2046 [2021-11-25 18:20:20,970 INFO L226 Difference]: Without dead ends: 2046 [2021-11-25 18:20:20,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=246, Invalid=746, Unknown=0, NotChecked=0, Total=992 [2021-11-25 18:20:20,971 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 383 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 964 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 1037 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:20,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [383 Valid, 129 Invalid, 1037 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 964 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:20:20,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2021-11-25 18:20:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 903. [2021-11-25 18:20:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 893 states have (on average 1.950727883538634) internal successors, (1742), 902 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:20,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1742 transitions. [2021-11-25 18:20:20,988 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1742 transitions. Word has length 18 [2021-11-25 18:20:20,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:20,988 INFO L470 AbstractCegarLoop]: Abstraction has 903 states and 1742 transitions. [2021-11-25 18:20:20,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:20,989 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1742 transitions. [2021-11-25 18:20:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:20:20,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:20,989 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:20,990 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2021-11-25 18:20:20,990 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:20,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:20,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1023145366, now seen corresponding path program 18 times [2021-11-25 18:20:20,990 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:20,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797658096] [2021-11-25 18:20:20,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:20,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:21,133 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:21,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797658096] [2021-11-25 18:20:21,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797658096] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:21,134 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:21,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:21,134 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220816555] [2021-11-25 18:20:21,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:21,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:21,135 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:21,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:21,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:21,135 INFO L87 Difference]: Start difference. First operand 903 states and 1742 transitions. Second operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:22,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:22,829 INFO L93 Difference]: Finished difference Result 2269 states and 4347 transitions. [2021-11-25 18:20:22,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-25 18:20:22,830 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 [2021-11-25 18:20:22,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:22,832 INFO L225 Difference]: With dead ends: 2269 [2021-11-25 18:20:22,832 INFO L226 Difference]: Without dead ends: 2269 [2021-11-25 18:20:22,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=289, Invalid=1043, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 18:20:22,833 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 436 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 2112 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 2112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:22,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [436 Valid, 129 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 2112 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:20:22,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2021-11-25 18:20:22,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 842. [2021-11-25 18:20:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 832 states have (on average 1.9471153846153846) internal successors, (1620), 841 states have internal predecessors, (1620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1620 transitions. [2021-11-25 18:20:22,846 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1620 transitions. Word has length 18 [2021-11-25 18:20:22,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:22,846 INFO L470 AbstractCegarLoop]: Abstraction has 842 states and 1620 transitions. [2021-11-25 18:20:22,847 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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) [2021-11-25 18:20:22,847 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1620 transitions. [2021-11-25 18:20:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:22,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:22,847 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:22,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2021-11-25 18:20:22,847 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:22,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:22,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1698146142, now seen corresponding path program 1 times [2021-11-25 18:20:22,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:22,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077224781] [2021-11-25 18:20:22,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:22,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:22,986 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:22,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077224781] [2021-11-25 18:20:22,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077224781] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:22,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:22,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:22,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381342830] [2021-11-25 18:20:22,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:22,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:22,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:22,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:22,987 INFO L87 Difference]: Start difference. First operand 842 states and 1620 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:23,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:23,923 INFO L93 Difference]: Finished difference Result 1887 states and 3600 transitions. [2021-11-25 18:20:23,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 18:20:23,923 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:23,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:23,925 INFO L225 Difference]: With dead ends: 1887 [2021-11-25 18:20:23,925 INFO L226 Difference]: Without dead ends: 1887 [2021-11-25 18:20:23,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-11-25 18:20:23,926 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 247 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 1226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:23,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 216 Invalid, 1226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:20:23,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1887 states. [2021-11-25 18:20:23,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1887 to 896. [2021-11-25 18:20:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 886 states have (on average 1.9503386004514673) internal successors, (1728), 895 states have internal predecessors, (1728), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:23,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 1728 transitions. [2021-11-25 18:20:23,944 INFO L78 Accepts]: Start accepts. Automaton has 896 states and 1728 transitions. Word has length 24 [2021-11-25 18:20:23,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:23,945 INFO L470 AbstractCegarLoop]: Abstraction has 896 states and 1728 transitions. [2021-11-25 18:20:23,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1728 transitions. [2021-11-25 18:20:23,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:23,946 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:23,946 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:23,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2021-11-25 18:20:23,946 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:23,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:23,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1522360086, now seen corresponding path program 2 times [2021-11-25 18:20:23,947 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:23,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798304109] [2021-11-25 18:20:23,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:23,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:24,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:24,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798304109] [2021-11-25 18:20:24,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798304109] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:24,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:24,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:24,088 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597979271] [2021-11-25 18:20:24,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:24,089 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:24,089 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:24,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:24,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:24,089 INFO L87 Difference]: Start difference. First operand 896 states and 1728 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:25,389 INFO L93 Difference]: Finished difference Result 1637 states and 3143 transitions. [2021-11-25 18:20:25,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:20:25,389 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:25,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:25,391 INFO L225 Difference]: With dead ends: 1637 [2021-11-25 18:20:25,391 INFO L226 Difference]: Without dead ends: 1637 [2021-11-25 18:20:25,391 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2021-11-25 18:20:25,392 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 177 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 1726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:25,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 210 Invalid, 1726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:20:25,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2021-11-25 18:20:25,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 946. [2021-11-25 18:20:25,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 936 states have (on average 1.952991452991453) internal successors, (1828), 945 states have internal predecessors, (1828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:25,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1828 transitions. [2021-11-25 18:20:25,402 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1828 transitions. Word has length 24 [2021-11-25 18:20:25,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:25,403 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1828 transitions. [2021-11-25 18:20:25,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1828 transitions. [2021-11-25 18:20:25,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:25,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:25,404 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:25,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2021-11-25 18:20:25,404 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:25,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:25,405 INFO L85 PathProgramCache]: Analyzing trace with hash -2081061240, now seen corresponding path program 3 times [2021-11-25 18:20:25,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:25,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529197678] [2021-11-25 18:20:25,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:25,405 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:25,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:25,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:25,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529197678] [2021-11-25 18:20:25,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529197678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:25,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:25,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:25,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754255124] [2021-11-25 18:20:25,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:25,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:25,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:25,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:25,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:25,623 INFO L87 Difference]: Start difference. First operand 946 states and 1828 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:26,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:26,975 INFO L93 Difference]: Finished difference Result 1719 states and 3325 transitions. [2021-11-25 18:20:26,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-25 18:20:26,976 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-25 18:20:26,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:26,977 INFO L225 Difference]: With dead ends: 1719 [2021-11-25 18:20:26,977 INFO L226 Difference]: Without dead ends: 1719 [2021-11-25 18:20:26,978 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=365, Invalid=1275, Unknown=0, NotChecked=0, Total=1640 [2021-11-25 18:20:26,978 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 232 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 1421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:26,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [232 Valid, 106 Invalid, 1421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:20:26,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1719 states. [2021-11-25 18:20:26,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 962. [2021-11-25 18:20:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 952 states have (on average 1.953781512605042) internal successors, (1860), 961 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1860 transitions. [2021-11-25 18:20:26,990 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1860 transitions. Word has length 24 [2021-11-25 18:20:26,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:26,990 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1860 transitions. [2021-11-25 18:20:26,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:26,990 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1860 transitions. [2021-11-25 18:20:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:26,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:26,991 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:26,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-11-25 18:20:26,991 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:26,992 INFO L85 PathProgramCache]: Analyzing trace with hash -660553686, now seen corresponding path program 4 times [2021-11-25 18:20:26,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:26,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964699452] [2021-11-25 18:20:26,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:26,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:27,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:27,152 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:27,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964699452] [2021-11-25 18:20:27,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964699452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:27,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:27,152 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:27,152 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807109448] [2021-11-25 18:20:27,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:27,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:27,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:27,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:27,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:27,153 INFO L87 Difference]: Start difference. First operand 962 states and 1860 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:28,318 INFO L93 Difference]: Finished difference Result 1733 states and 3329 transitions. [2021-11-25 18:20:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 18:20:28,318 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:28,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:28,320 INFO L225 Difference]: With dead ends: 1733 [2021-11-25 18:20:28,320 INFO L226 Difference]: Without dead ends: 1733 [2021-11-25 18:20:28,320 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=479, Unknown=0, NotChecked=0, Total=600 [2021-11-25 18:20:28,321 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 179 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 179 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 1566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:28,321 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [179 Valid, 190 Invalid, 1566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:20:28,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2021-11-25 18:20:28,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 990. [2021-11-25 18:20:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 990 states, 980 states have (on average 1.9551020408163264) internal successors, (1916), 989 states have internal predecessors, (1916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:28,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 990 states and 1916 transitions. [2021-11-25 18:20:28,340 INFO L78 Accepts]: Start accepts. Automaton has 990 states and 1916 transitions. Word has length 24 [2021-11-25 18:20:28,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:28,340 INFO L470 AbstractCegarLoop]: Abstraction has 990 states and 1916 transitions. [2021-11-25 18:20:28,340 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:28,340 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1916 transitions. [2021-11-25 18:20:28,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:28,341 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:28,341 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:28,342 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2021-11-25 18:20:28,342 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:28,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:28,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1376098460, now seen corresponding path program 5 times [2021-11-25 18:20:28,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:28,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489780128] [2021-11-25 18:20:28,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:28,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:28,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:28,544 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:28,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489780128] [2021-11-25 18:20:28,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489780128] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:28,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:28,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:28,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342088649] [2021-11-25 18:20:28,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:28,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:28,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:28,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:28,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:28,545 INFO L87 Difference]: Start difference. First operand 990 states and 1916 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:30,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:30,119 INFO L93 Difference]: Finished difference Result 1376 states and 2650 transitions. [2021-11-25 18:20:30,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-11-25 18:20:30,119 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-25 18:20:30,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:30,121 INFO L225 Difference]: With dead ends: 1376 [2021-11-25 18:20:30,121 INFO L226 Difference]: Without dead ends: 1376 [2021-11-25 18:20:30,121 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=368, Invalid=964, Unknown=0, NotChecked=0, Total=1332 [2021-11-25 18:20:30,122 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 189 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:30,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [189 Valid, 100 Invalid, 1650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:20:30,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2021-11-25 18:20:30,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 986. [2021-11-25 18:20:30,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 986 states, 976 states have (on average 1.9549180327868851) internal successors, (1908), 985 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1908 transitions. [2021-11-25 18:20:30,140 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1908 transitions. Word has length 24 [2021-11-25 18:20:30,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:30,141 INFO L470 AbstractCegarLoop]: Abstraction has 986 states and 1908 transitions. [2021-11-25 18:20:30,141 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:30,141 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1908 transitions. [2021-11-25 18:20:30,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:30,142 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:30,142 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:30,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2021-11-25 18:20:30,143 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:30,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:30,143 INFO L85 PathProgramCache]: Analyzing trace with hash -2075366674, now seen corresponding path program 6 times [2021-11-25 18:20:30,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:30,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989519882] [2021-11-25 18:20:30,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:30,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:30,361 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:30,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989519882] [2021-11-25 18:20:30,361 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989519882] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:30,361 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:30,361 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:30,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108445081] [2021-11-25 18:20:30,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:30,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:30,361 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:30,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:30,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:30,362 INFO L87 Difference]: Start difference. First operand 986 states and 1908 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:32,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:32,020 INFO L93 Difference]: Finished difference Result 1677 states and 3205 transitions. [2021-11-25 18:20:32,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-11-25 18:20:32,020 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-25 18:20:32,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:32,022 INFO L225 Difference]: With dead ends: 1677 [2021-11-25 18:20:32,022 INFO L226 Difference]: Without dead ends: 1677 [2021-11-25 18:20:32,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 320 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=399, Invalid=1083, Unknown=0, NotChecked=0, Total=1482 [2021-11-25 18:20:32,022 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 258 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 1513 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:32,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 174 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1513 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:20:32,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1677 states. [2021-11-25 18:20:32,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1677 to 985. [2021-11-25 18:20:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 975 states have (on average 1.9548717948717949) internal successors, (1906), 984 states have internal predecessors, (1906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:32,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1906 transitions. [2021-11-25 18:20:32,035 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1906 transitions. Word has length 24 [2021-11-25 18:20:32,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:32,035 INFO L470 AbstractCegarLoop]: Abstraction has 985 states and 1906 transitions. [2021-11-25 18:20:32,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:32,035 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1906 transitions. [2021-11-25 18:20:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:32,036 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:32,036 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:32,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2021-11-25 18:20:32,036 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:32,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:32,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2027998984, now seen corresponding path program 7 times [2021-11-25 18:20:32,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:32,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214852567] [2021-11-25 18:20:32,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:32,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:32,262 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:32,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214852567] [2021-11-25 18:20:32,263 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214852567] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:32,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:32,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:32,263 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270499851] [2021-11-25 18:20:32,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:32,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:32,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:32,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:32,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:32,264 INFO L87 Difference]: Start difference. First operand 985 states and 1906 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:33,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:33,518 INFO L93 Difference]: Finished difference Result 1637 states and 3130 transitions. [2021-11-25 18:20:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-11-25 18:20:33,518 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-25 18:20:33,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:33,520 INFO L225 Difference]: With dead ends: 1637 [2021-11-25 18:20:33,520 INFO L226 Difference]: Without dead ends: 1637 [2021-11-25 18:20:33,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2021-11-25 18:20:33,520 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 270 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 1158 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 1158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:33,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [270 Valid, 155 Invalid, 1219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 1158 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:20:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2021-11-25 18:20:33,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 938. [2021-11-25 18:20:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 929 states have (on average 1.9504843918191603) internal successors, (1812), 937 states have internal predecessors, (1812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:33,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1812 transitions. [2021-11-25 18:20:33,531 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1812 transitions. Word has length 24 [2021-11-25 18:20:33,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:33,531 INFO L470 AbstractCegarLoop]: Abstraction has 938 states and 1812 transitions. [2021-11-25 18:20:33,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:33,532 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1812 transitions. [2021-11-25 18:20:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:33,532 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:33,533 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:33,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2021-11-25 18:20:33,533 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:33,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:33,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1660766528, now seen corresponding path program 1 times [2021-11-25 18:20:33,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:33,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194057440] [2021-11-25 18:20:33,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:33,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:33,711 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:33,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194057440] [2021-11-25 18:20:33,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194057440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:33,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:33,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:33,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021439210] [2021-11-25 18:20:33,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:33,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:33,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:33,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:33,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:33,712 INFO L87 Difference]: Start difference. First operand 938 states and 1812 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:35,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:35,750 INFO L93 Difference]: Finished difference Result 1775 states and 3362 transitions. [2021-11-25 18:20:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-11-25 18:20:35,751 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-25 18:20:35,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:35,752 INFO L225 Difference]: With dead ends: 1775 [2021-11-25 18:20:35,753 INFO L226 Difference]: Without dead ends: 1775 [2021-11-25 18:20:35,753 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=380, Invalid=1180, Unknown=0, NotChecked=0, Total=1560 [2021-11-25 18:20:35,753 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 325 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 2501 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 2692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:35,753 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [325 Valid, 145 Invalid, 2692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2501 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:20:35,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1775 states. [2021-11-25 18:20:35,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1775 to 834. [2021-11-25 18:20:35,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 825 states have (on average 1.9442424242424243) internal successors, (1604), 833 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:35,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1604 transitions. [2021-11-25 18:20:35,767 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1604 transitions. Word has length 24 [2021-11-25 18:20:35,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:35,768 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 1604 transitions. [2021-11-25 18:20:35,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:35,768 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1604 transitions. [2021-11-25 18:20:35,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:35,769 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:35,769 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:35,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-11-25 18:20:35,769 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:35,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:35,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1988369430, now seen corresponding path program 8 times [2021-11-25 18:20:35,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:35,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517575139] [2021-11-25 18:20:35,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:35,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:35,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:35,943 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:35,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517575139] [2021-11-25 18:20:35,943 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517575139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:35,943 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:35,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:35,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135120748] [2021-11-25 18:20:35,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:35,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:35,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:35,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:35,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:35,944 INFO L87 Difference]: Start difference. First operand 834 states and 1604 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:37,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:37,478 INFO L93 Difference]: Finished difference Result 2111 states and 4037 transitions. [2021-11-25 18:20:37,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-11-25 18:20:37,478 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:37,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:37,481 INFO L225 Difference]: With dead ends: 2111 [2021-11-25 18:20:37,481 INFO L226 Difference]: Without dead ends: 2111 [2021-11-25 18:20:37,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2021-11-25 18:20:37,481 INFO L933 BasicCegarLoop]: 70 mSDtfsCounter, 249 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 1923 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 1966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:37,481 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 305 Invalid, 1966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1923 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:20:37,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2111 states. [2021-11-25 18:20:37,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2111 to 843. [2021-11-25 18:20:37,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 834 states have (on average 1.9448441247002397) internal successors, (1622), 842 states have internal predecessors, (1622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:37,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1622 transitions. [2021-11-25 18:20:37,496 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1622 transitions. Word has length 24 [2021-11-25 18:20:37,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:37,496 INFO L470 AbstractCegarLoop]: Abstraction has 843 states and 1622 transitions. [2021-11-25 18:20:37,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:37,496 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1622 transitions. [2021-11-25 18:20:37,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:37,497 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:37,497 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:37,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2021-11-25 18:20:37,497 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:37,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:37,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1941001740, now seen corresponding path program 9 times [2021-11-25 18:20:37,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:37,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087758058] [2021-11-25 18:20:37,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:37,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:37,748 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:37,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087758058] [2021-11-25 18:20:37,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087758058] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:37,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:37,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:37,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494223705] [2021-11-25 18:20:37,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:37,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:37,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:37,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:37,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:37,750 INFO L87 Difference]: Start difference. First operand 843 states and 1622 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:38,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:38,925 INFO L93 Difference]: Finished difference Result 2013 states and 3845 transitions. [2021-11-25 18:20:38,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:20:38,926 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:38,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:38,927 INFO L225 Difference]: With dead ends: 2013 [2021-11-25 18:20:38,928 INFO L226 Difference]: Without dead ends: 2013 [2021-11-25 18:20:38,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2021-11-25 18:20:38,928 INFO L933 BasicCegarLoop]: 79 mSDtfsCounter, 225 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:38,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [225 Valid, 341 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:20:38,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2021-11-25 18:20:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 844. [2021-11-25 18:20:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 835 states have (on average 1.9449101796407187) internal successors, (1624), 843 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1624 transitions. [2021-11-25 18:20:38,939 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1624 transitions. Word has length 24 [2021-11-25 18:20:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:38,939 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1624 transitions. [2021-11-25 18:20:38,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1624 transitions. [2021-11-25 18:20:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:38,940 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:38,940 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:38,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2021-11-25 18:20:38,940 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:38,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1939444920, now seen corresponding path program 10 times [2021-11-25 18:20:38,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:38,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204506320] [2021-11-25 18:20:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:38,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:39,107 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:39,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204506320] [2021-11-25 18:20:39,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204506320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:39,107 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:39,107 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:39,107 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454800530] [2021-11-25 18:20:39,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:39,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:39,107 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:39,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:39,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:39,108 INFO L87 Difference]: Start difference. First operand 844 states and 1624 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:39,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:39,941 INFO L93 Difference]: Finished difference Result 2003 states and 3826 transitions. [2021-11-25 18:20:39,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-25 18:20:39,941 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:39,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:39,943 INFO L225 Difference]: With dead ends: 2003 [2021-11-25 18:20:39,944 INFO L226 Difference]: Without dead ends: 2003 [2021-11-25 18:20:39,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:20:39,944 INFO L933 BasicCegarLoop]: 80 mSDtfsCounter, 217 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 1086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:39,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 345 Invalid, 1086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1048 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-25 18:20:39,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2021-11-25 18:20:39,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 834. [2021-11-25 18:20:39,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 825 states have (on average 1.9442424242424243) internal successors, (1604), 833 states have internal predecessors, (1604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1604 transitions. [2021-11-25 18:20:39,955 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1604 transitions. Word has length 24 [2021-11-25 18:20:39,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:39,955 INFO L470 AbstractCegarLoop]: Abstraction has 834 states and 1604 transitions. [2021-11-25 18:20:39,956 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1604 transitions. [2021-11-25 18:20:39,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:39,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:39,956 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:39,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2021-11-25 18:20:39,956 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:39,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:39,957 INFO L85 PathProgramCache]: Analyzing trace with hash 2130811810, now seen corresponding path program 11 times [2021-11-25 18:20:39,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:39,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111918473] [2021-11-25 18:20:39,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:39,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:40,135 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:40,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111918473] [2021-11-25 18:20:40,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111918473] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:40,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:40,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:40,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668960571] [2021-11-25 18:20:40,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:40,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:40,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:40,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:40,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:40,137 INFO L87 Difference]: Start difference. First operand 834 states and 1604 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:41,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:41,545 INFO L93 Difference]: Finished difference Result 1755 states and 3377 transitions. [2021-11-25 18:20:41,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-11-25 18:20:41,550 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:41,552 INFO L225 Difference]: With dead ends: 1755 [2021-11-25 18:20:41,552 INFO L226 Difference]: Without dead ends: 1755 [2021-11-25 18:20:41,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2021-11-25 18:20:41,553 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 200 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1883 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:41,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 285 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1883 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:20:41,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2021-11-25 18:20:41,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 844. [2021-11-25 18:20:41,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 835 states have (on average 1.9449101796407187) internal successors, (1624), 843 states have internal predecessors, (1624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:41,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1624 transitions. [2021-11-25 18:20:41,564 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1624 transitions. Word has length 24 [2021-11-25 18:20:41,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:41,565 INFO L470 AbstractCegarLoop]: Abstraction has 844 states and 1624 transitions. [2021-11-25 18:20:41,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:41,565 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1624 transitions. [2021-11-25 18:20:41,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:41,565 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:41,566 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:41,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2021-11-25 18:20:41,566 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:41,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:41,566 INFO L85 PathProgramCache]: Analyzing trace with hash -2116787796, now seen corresponding path program 12 times [2021-11-25 18:20:41,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:41,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268944423] [2021-11-25 18:20:41,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:41,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:41,796 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:41,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268944423] [2021-11-25 18:20:41,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268944423] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:41,796 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:41,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:41,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999914506] [2021-11-25 18:20:41,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:41,797 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:41,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:41,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:41,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:41,797 INFO L87 Difference]: Start difference. First operand 844 states and 1624 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:42,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:42,942 INFO L93 Difference]: Finished difference Result 1689 states and 3245 transitions. [2021-11-25 18:20:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-25 18:20:42,943 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:42,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:42,944 INFO L225 Difference]: With dead ends: 1689 [2021-11-25 18:20:42,945 INFO L226 Difference]: Without dead ends: 1689 [2021-11-25 18:20:42,945 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:20:42,945 INFO L933 BasicCegarLoop]: 77 mSDtfsCounter, 173 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:42,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 306 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:20:42,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2021-11-25 18:20:42,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 837. [2021-11-25 18:20:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 837 states, 828 states have (on average 1.9444444444444444) internal successors, (1610), 836 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 1610 transitions. [2021-11-25 18:20:42,970 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 1610 transitions. Word has length 24 [2021-11-25 18:20:42,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:42,970 INFO L470 AbstractCegarLoop]: Abstraction has 837 states and 1610 transitions. [2021-11-25 18:20:42,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1610 transitions. [2021-11-25 18:20:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:42,971 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:42,971 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:42,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-11-25 18:20:42,971 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:42,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:42,971 INFO L85 PathProgramCache]: Analyzing trace with hash -2072189346, now seen corresponding path program 13 times [2021-11-25 18:20:42,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:42,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911659472] [2021-11-25 18:20:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:42,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:43,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:43,159 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:43,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911659472] [2021-11-25 18:20:43,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911659472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:43,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:43,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:43,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605112408] [2021-11-25 18:20:43,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:43,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:43,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:43,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:43,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:43,160 INFO L87 Difference]: Start difference. First operand 837 states and 1610 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:44,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:44,240 INFO L93 Difference]: Finished difference Result 1353 states and 2624 transitions. [2021-11-25 18:20:44,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 18:20:44,241 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:44,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:44,242 INFO L225 Difference]: With dead ends: 1353 [2021-11-25 18:20:44,242 INFO L226 Difference]: Without dead ends: 1353 [2021-11-25 18:20:44,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2021-11-25 18:20:44,243 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 139 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:44,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 208 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2021-11-25 18:20:44,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2021-11-25 18:20:44,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 818. [2021-11-25 18:20:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 809 states have (on average 1.9431396786155748) internal successors, (1572), 817 states have internal predecessors, (1572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1572 transitions. [2021-11-25 18:20:44,252 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1572 transitions. Word has length 24 [2021-11-25 18:20:44,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:44,252 INFO L470 AbstractCegarLoop]: Abstraction has 818 states and 1572 transitions. [2021-11-25 18:20:44,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1572 transitions. [2021-11-25 18:20:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:44,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:44,253 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:44,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2021-11-25 18:20:44,253 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:44,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:44,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1472609516, now seen corresponding path program 14 times [2021-11-25 18:20:44,253 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:44,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991100327] [2021-11-25 18:20:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:44,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:44,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:44,466 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:44,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991100327] [2021-11-25 18:20:44,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991100327] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:44,466 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:44,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 18:20:44,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797717677] [2021-11-25 18:20:44,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:44,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:20:44,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:44,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:20:44,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-11-25 18:20:44,467 INFO L87 Difference]: Start difference. First operand 818 states and 1572 transitions. Second operand has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:46,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:46,173 INFO L93 Difference]: Finished difference Result 1592 states and 3094 transitions. [2021-11-25 18:20:46,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-11-25 18:20:46,173 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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 [2021-11-25 18:20:46,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:46,175 INFO L225 Difference]: With dead ends: 1592 [2021-11-25 18:20:46,175 INFO L226 Difference]: Without dead ends: 1592 [2021-11-25 18:20:46,175 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=267, Invalid=993, Unknown=0, NotChecked=0, Total=1260 [2021-11-25 18:20:46,175 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 181 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 1799 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1799 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:46,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [181 Valid, 124 Invalid, 1885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1799 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:20:46,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2021-11-25 18:20:46,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 762. [2021-11-25 18:20:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 753 states have (on average 1.9389110225763613) internal successors, (1460), 761 states have internal predecessors, (1460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1460 transitions. [2021-11-25 18:20:46,185 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1460 transitions. Word has length 24 [2021-11-25 18:20:46,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:46,185 INFO L470 AbstractCegarLoop]: Abstraction has 762 states and 1460 transitions. [2021-11-25 18:20:46,185 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.0) internal successors, (24), 12 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) [2021-11-25 18:20:46,185 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1460 transitions. [2021-11-25 18:20:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:46,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:46,186 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:46,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2021-11-25 18:20:46,186 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:46,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:46,186 INFO L85 PathProgramCache]: Analyzing trace with hash -510988710, now seen corresponding path program 15 times [2021-11-25 18:20:46,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:46,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63197016] [2021-11-25 18:20:46,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:46,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:46,394 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:46,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63197016] [2021-11-25 18:20:46,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63197016] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:46,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:46,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:46,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822019906] [2021-11-25 18:20:46,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:46,395 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:46,395 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:46,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:46,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:46,396 INFO L87 Difference]: Start difference. First operand 762 states and 1460 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:47,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:47,646 INFO L93 Difference]: Finished difference Result 1730 states and 3288 transitions. [2021-11-25 18:20:47,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-11-25 18:20:47,646 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:47,648 INFO L225 Difference]: With dead ends: 1730 [2021-11-25 18:20:47,648 INFO L226 Difference]: Without dead ends: 1730 [2021-11-25 18:20:47,648 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=220, Invalid=650, Unknown=0, NotChecked=0, Total=870 [2021-11-25 18:20:47,648 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 343 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:47,648 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [343 Valid, 106 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-11-25 18:20:47,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2021-11-25 18:20:47,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 761. [2021-11-25 18:20:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 752 states have (on average 1.9388297872340425) internal successors, (1458), 760 states have internal predecessors, (1458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 1458 transitions. [2021-11-25 18:20:47,658 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 1458 transitions. Word has length 24 [2021-11-25 18:20:47,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:47,658 INFO L470 AbstractCegarLoop]: Abstraction has 761 states and 1458 transitions. [2021-11-25 18:20:47,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:47,659 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1458 transitions. [2021-11-25 18:20:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:47,659 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:47,659 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:47,659 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2021-11-25 18:20:47,659 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:47,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash -463621020, now seen corresponding path program 16 times [2021-11-25 18:20:47,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:47,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934843136] [2021-11-25 18:20:47,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:47,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:47,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:47,921 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:47,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934843136] [2021-11-25 18:20:47,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934843136] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:47,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:47,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:47,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885042769] [2021-11-25 18:20:47,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:47,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:47,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:47,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:47,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:47,923 INFO L87 Difference]: Start difference. First operand 761 states and 1458 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:49,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:49,245 INFO L93 Difference]: Finished difference Result 1736 states and 3305 transitions. [2021-11-25 18:20:49,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-11-25 18:20:49,245 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:49,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:49,247 INFO L225 Difference]: With dead ends: 1736 [2021-11-25 18:20:49,247 INFO L226 Difference]: Without dead ends: 1736 [2021-11-25 18:20:49,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2021-11-25 18:20:49,247 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 369 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 1292 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:49,247 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [369 Valid, 92 Invalid, 1327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1292 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:20:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states. [2021-11-25 18:20:49,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 760. [2021-11-25 18:20:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 751 states have (on average 1.9387483355525965) internal successors, (1456), 759 states have internal predecessors, (1456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 1456 transitions. [2021-11-25 18:20:49,258 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 1456 transitions. Word has length 24 [2021-11-25 18:20:49,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:49,259 INFO L470 AbstractCegarLoop]: Abstraction has 760 states and 1456 transitions. [2021-11-25 18:20:49,259 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1456 transitions. [2021-11-25 18:20:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 18:20:49,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:49,259 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:20:49,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2021-11-25 18:20:49,260 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:49,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:49,260 INFO L85 PathProgramCache]: Analyzing trace with hash -462064200, now seen corresponding path program 17 times [2021-11-25 18:20:49,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:49,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294443295] [2021-11-25 18:20:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:49,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:49,444 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:49,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294443295] [2021-11-25 18:20:49,444 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294443295] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:49,444 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:49,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-25 18:20:49,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158141178] [2021-11-25 18:20:49,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:49,445 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-11-25 18:20:49,445 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:49,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-25 18:20:49,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-11-25 18:20:49,445 INFO L87 Difference]: Start difference. First operand 760 states and 1456 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:50,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:50,507 INFO L93 Difference]: Finished difference Result 1627 states and 3123 transitions. [2021-11-25 18:20:50,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-11-25 18:20:50,508 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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 [2021-11-25 18:20:50,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:50,509 INFO L225 Difference]: With dead ends: 1627 [2021-11-25 18:20:50,510 INFO L226 Difference]: Without dead ends: 1627 [2021-11-25 18:20:50,510 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=256, Invalid=800, Unknown=0, NotChecked=0, Total=1056 [2021-11-25 18:20:50,510 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 354 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 1016 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 1085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1016 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:50,510 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [354 Valid, 124 Invalid, 1085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1016 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-25 18:20:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2021-11-25 18:20:50,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 679. [2021-11-25 18:20:50,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 671 states have (on average 1.9359165424739195) internal successors, (1299), 678 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1299 transitions. [2021-11-25 18:20:50,522 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1299 transitions. Word has length 24 [2021-11-25 18:20:50,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:50,522 INFO L470 AbstractCegarLoop]: Abstraction has 679 states and 1299 transitions. [2021-11-25 18:20:50,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 11 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) [2021-11-25 18:20:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1299 transitions. [2021-11-25 18:20:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 18:20:50,523 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:50,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:50,524 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-11-25 18:20:50,524 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:50,524 INFO L85 PathProgramCache]: Analyzing trace with hash -19432784, now seen corresponding path program 1 times [2021-11-25 18:20:50,524 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:50,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264964514] [2021-11-25 18:20:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:50,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:50,624 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:50,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264964514] [2021-11-25 18:20:50,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264964514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:50,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:50,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:20:50,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50143046] [2021-11-25 18:20:50,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:50,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:20:50,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:50,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:20:50,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:20:50,626 INFO L87 Difference]: Start difference. First operand 679 states and 1299 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:50,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:50,960 INFO L93 Difference]: Finished difference Result 786 states and 1500 transitions. [2021-11-25 18:20:50,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:20:50,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2021-11-25 18:20:50,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:50,961 INFO L225 Difference]: With dead ends: 786 [2021-11-25 18:20:50,961 INFO L226 Difference]: Without dead ends: 786 [2021-11-25 18:20:50,961 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:20:50,961 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 40 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:50,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 25 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:20:50,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2021-11-25 18:20:50,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 726. [2021-11-25 18:20:50,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 726 states, 718 states have (on average 1.934540389972145) internal successors, (1389), 725 states have internal predecessors, (1389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 1389 transitions. [2021-11-25 18:20:50,972 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 1389 transitions. Word has length 27 [2021-11-25 18:20:50,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:50,972 INFO L470 AbstractCegarLoop]: Abstraction has 726 states and 1389 transitions. [2021-11-25 18:20:50,972 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1389 transitions. [2021-11-25 18:20:50,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 18:20:50,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:50,973 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:50,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2021-11-25 18:20:50,974 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:50,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:50,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1292673579, now seen corresponding path program 1 times [2021-11-25 18:20:50,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:50,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022608339] [2021-11-25 18:20:50,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:50,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:51,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:51,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:51,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022608339] [2021-11-25 18:20:51,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022608339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:51,058 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:51,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:20:51,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545913395] [2021-11-25 18:20:51,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:51,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:20:51,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:51,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:20:51,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:20:51,059 INFO L87 Difference]: Start difference. First operand 726 states and 1389 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:51,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:51,165 INFO L93 Difference]: Finished difference Result 280 states and 492 transitions. [2021-11-25 18:20:51,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:20:51,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 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 30 [2021-11-25 18:20:51,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:51,166 INFO L225 Difference]: With dead ends: 280 [2021-11-25 18:20:51,166 INFO L226 Difference]: Without dead ends: 280 [2021-11-25 18:20:51,166 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:20:51,166 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 26 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:51,167 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 41 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-25 18:20:51,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-11-25 18:20:51,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2021-11-25 18:20:51,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 1.7697841726618706) internal successors, (492), 279 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:51,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 492 transitions. [2021-11-25 18:20:51,171 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 492 transitions. Word has length 30 [2021-11-25 18:20:51,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:51,171 INFO L470 AbstractCegarLoop]: Abstraction has 280 states and 492 transitions. [2021-11-25 18:20:51,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 492 transitions. [2021-11-25 18:20:51,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 18:20:51,172 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:20:51,173 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:51,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2021-11-25 18:20:51,173 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2021-11-25 18:20:51,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:20:51,173 INFO L85 PathProgramCache]: Analyzing trace with hash 330702386, now seen corresponding path program 1 times [2021-11-25 18:20:51,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:20:51,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353297844] [2021-11-25 18:20:51,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:20:51,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:20:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:20:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:20:51,276 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:20:51,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353297844] [2021-11-25 18:20:51,276 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353297844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:20:51,276 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:20:51,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:20:51,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619407022] [2021-11-25 18:20:51,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:20:51,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:20:51,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:20:51,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:20:51,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:20:51,277 INFO L87 Difference]: Start difference. First operand 280 states and 492 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:51,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:20:51,472 INFO L93 Difference]: Finished difference Result 277 states and 488 transitions. [2021-11-25 18:20:51,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:20:51,473 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 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 33 [2021-11-25 18:20:51,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:20:51,473 INFO L225 Difference]: With dead ends: 277 [2021-11-25 18:20:51,473 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:20:51,473 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:20:51,474 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:20:51,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:20:51,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:20:51,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:20:51,475 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) [2021-11-25 18:20:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:20:51,475 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-11-25 18:20:51,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:20:51,475 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:20:51,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:20:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:20:51,476 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:20:51,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2021-11-25 18:20:51,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2021-11-25 18:20:51,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2021-11-25 18:20:51,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2021-11-25 18:20:51,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2021-11-25 18:20:51,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2021-11-25 18:20:51,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2021-11-25 18:20:51,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2021-11-25 18:20:51,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2021-11-25 18:20:51,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2021-11-25 18:20:51,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2021-11-25 18:20:51,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 26 remaining) [2021-11-25 18:20:51,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2021-11-25 18:20:51,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2021-11-25 18:20:51,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2021-11-25 18:20:51,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2021-11-25 18:20:51,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2021-11-25 18:20:51,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2021-11-25 18:20:51,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2021-11-25 18:20:51,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2021-11-25 18:20:51,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2021-11-25 18:20:51,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2021-11-25 18:20:51,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2021-11-25 18:20:51,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2021-11-25 18:20:51,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2021-11-25 18:20:51,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2021-11-25 18:20:51,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2021-11-25 18:20:51,485 INFO L732 BasicCegarLoop]: Path program histogram: [35, 18, 17, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:20:51,488 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 18:20:51,488 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:20:51,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:20:51 BasicIcfg [2021-11-25 18:20:51,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:20:51,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:20:51,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:20:51,492 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:20:51,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:16:15" (3/4) ... [2021-11-25 18:20:51,495 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:20:51,502 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-25 18:20:51,507 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-25 18:20:51,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-25 18:20:51,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 18:20:51,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 18:20:51,543 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:20:51,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:20:51,543 INFO L158 Benchmark]: Toolchain (without parser) took 277543.53ms. Allocated memory was 96.5MB in the beginning and 314.6MB in the end (delta: 218.1MB). Free memory was 52.1MB in the beginning and 206.9MB in the end (delta: -154.8MB). Peak memory consumption was 64.2MB. Max. memory is 16.1GB. [2021-11-25 18:20:51,544 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:20:51,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 923.75ms. Allocated memory is still 96.5MB. Free memory was 74.1MB in the beginning and 43.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-25 18:20:51,544 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.29ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 43.8MB in the beginning and 96.4MB in the end (delta: -52.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-25 18:20:51,544 INFO L158 Benchmark]: Boogie Preprocessor took 58.00ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 95.9MB in the end (delta: 405.4kB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-25 18:20:51,544 INFO L158 Benchmark]: RCFGBuilder took 799.71ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 75.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-25 18:20:51,544 INFO L158 Benchmark]: TraceAbstraction took 275585.57ms. Allocated memory was 121.6MB in the beginning and 314.6MB in the end (delta: 192.9MB). Free memory was 74.4MB in the beginning and 211.1MB in the end (delta: -136.7MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2021-11-25 18:20:51,545 INFO L158 Benchmark]: Witness Printer took 51.03ms. Allocated memory is still 314.6MB. Free memory was 211.1MB in the beginning and 206.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 18:20:51,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 71.2MB in the beginning and 71.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 923.75ms. Allocated memory is still 96.5MB. Free memory was 74.1MB in the beginning and 43.8MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.29ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 43.8MB in the beginning and 96.4MB in the end (delta: -52.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.00ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 95.9MB in the end (delta: 405.4kB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 799.71ms. Allocated memory is still 121.6MB. Free memory was 95.9MB in the beginning and 75.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 275585.57ms. Allocated memory was 121.6MB in the beginning and 314.6MB in the end (delta: 192.9MB). Free memory was 74.4MB in the beginning and 211.1MB in the end (delta: -136.7MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. * Witness Printer took 51.03ms. Allocated memory is still 314.6MB. Free memory was 211.1MB in the beginning and 206.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 142.1s, 213 PlacesBefore, 72 PlacesAfterwards, 209 TransitionsBefore, 68 TransitionsAfterwards, 4288 CoEnabledTransitionPairs, 21 FixpointIterations, 140 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 220 TotalNumberOfCompositions, 59593 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11158, positive: 8912, positive conditional: 0, positive unconditional: 8912, negative: 2246, negative conditional: 0, negative unconditional: 2246, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3076, positive: 2919, positive conditional: 0, positive unconditional: 2919, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3076, positive: 2410, positive conditional: 0, positive unconditional: 2410, negative: 666, negative conditional: 0, negative unconditional: 666, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 666, positive: 509, positive conditional: 0, positive unconditional: 509, negative: 157, negative conditional: 0, negative unconditional: 157, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 794, positive: 422, positive conditional: 0, positive unconditional: 422, negative: 372, negative conditional: 0, negative unconditional: 372, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11158, positive: 5993, positive conditional: 0, positive unconditional: 5993, negative: 2089, negative conditional: 0, negative unconditional: 2089, unknown: 3076, unknown conditional: 0, unknown unconditional: 3076] , Statistics on independence cache: Total cache size (in pairs): 542, Positive cache size: 430, Positive conditional cache size: 0, Positive unconditional cache size: 430, Negative cache size: 112, Negative conditional cache size: 0, Negative unconditional cache size: 112 - 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: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1248]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1249]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1250]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1253]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1254]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1228]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1229]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1238]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1239]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1240]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 279 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 275.3s, OverallIterations: 86, TraceHistogramMax: 1, PathProgramHistogramMax: 35, EmptinessCheckTime: 0.1s, AutomataDifference: 111.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 142.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19039 SdHoareTripleChecker+Valid, 93.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19039 mSDsluCounter, 13138 SdHoareTripleChecker+Invalid, 80.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23623 mSDsCounter, 7485 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112625 IncrementalHoareTripleChecker+Invalid, 120110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7485 mSolverCounterUnsat, 3779 mSDtfsCounter, 112625 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2047 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1971 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10496 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1068occurred in iteration=23, InterpolantAutomatonStates: 1773, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 86 MinimizatonAttempts, 62628 StatesRemovedByMinimization, 82 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 1615 NumberOfCodeBlocks, 1615 NumberOfCodeBlocksAsserted, 86 NumberOfCheckSat, 1529 ConstructedInterpolants, 0 QuantifiedInterpolants, 23086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 86 InterpolantComputations, 86 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-25 18:20:51,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ee6c28f-09c3-41a6-89c1-b90eb0312367/bin/utaipan-eEHZpOm5b7/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