./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs --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 b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:36:36,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:36:36,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:36:36,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:36:36,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:36:36,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:36:36,400 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:36:36,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:36:36,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:36:36,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:36:36,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:36:36,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:36:36,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:36:36,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:36:36,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:36:36,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:36:36,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:36:36,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:36:36,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:36:36,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:36:36,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:36:36,444 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:36:36,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:36:36,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:36:36,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:36:36,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:36:36,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:36:36,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:36:36,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:36:36,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:36:36,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:36:36,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:36:36,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:36:36,467 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:36:36,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:36:36,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:36:36,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:36:36,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:36:36,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:36:36,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:36:36,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:36:36,473 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 14:36:36,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:36:36,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:36:36,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:36:36,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:36:36,524 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:36:36,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:36:36,524 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:36:36,525 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:36:36,531 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:36:36,531 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:36:36,533 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:36:36,533 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:36:36,533 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:36:36,533 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:36:36,534 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:36:36,534 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:36:36,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:36:36,535 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:36:36,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:36:36,537 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:36:36,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:36:36,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:36:36,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:36:36,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:36:36,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:36:36,543 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 14:36:36,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:36:36,544 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:36:36,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:36:36,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:36:36,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:36:36,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:36:36,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:36:36,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:36:36,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:36:36,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:36:36,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:36:36,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:36:36,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:36:36,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:36:36,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:36:36,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:36:36,547 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_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f [2021-11-19 14:36:36,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:36:36,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:36:36,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:36:36,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:36:36,845 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:36:36,846 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2021-11-19 14:36:36,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/data/08945bb07/6cfb6ecbe870441b8a44b3338d173187/FLAGd16ef36c8 [2021-11-19 14:36:37,658 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:36:37,659 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2021-11-19 14:36:37,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/data/08945bb07/6cfb6ecbe870441b8a44b3338d173187/FLAGd16ef36c8 [2021-11-19 14:36:37,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/data/08945bb07/6cfb6ecbe870441b8a44b3338d173187 [2021-11-19 14:36:37,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:36:37,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:36:37,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:36:37,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:36:37,887 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:36:37,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:37" (1/1) ... [2021-11-19 14:36:37,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b591119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:37, skipping insertion in model container [2021-11-19 14:36:37,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:37" (1/1) ... [2021-11-19 14:36:37,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:36:37,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:36:38,456 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:36:38,478 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:36:38,565 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:36:38,629 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:36:38,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38 WrapperNode [2021-11-19 14:36:38,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:36:38,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:36:38,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:36:38,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:36:38,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,695 INFO L137 Inliner]: procedures = 262, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2021-11-19 14:36:38,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:36:38,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:36:38,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:36:38,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:36:38,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:36:38,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:36:38,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:36:38,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:36:38,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (1/1) ... [2021-11-19 14:36:38,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:36:38,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:36:38,789 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:36:38,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:36:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:36:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:36:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:36:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:36:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 14:36:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-19 14:36:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-19 14:36:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:36:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:36:38,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:36:38,855 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 14:36:39,003 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:36:39,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:36:39,302 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:36:39,313 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:36:39,313 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:36:39,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:39 BoogieIcfgContainer [2021-11-19 14:36:39,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:36:39,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:36:39,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:36:39,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:36:39,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:36:37" (1/3) ... [2021-11-19 14:36:39,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aede778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:36:39, skipping insertion in model container [2021-11-19 14:36:39,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:38" (2/3) ... [2021-11-19 14:36:39,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aede778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:36:39, skipping insertion in model container [2021-11-19 14:36:39,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:39" (3/3) ... [2021-11-19 14:36:39,327 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2021-11-19 14:36:39,333 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 14:36:39,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:36:39,334 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-19 14:36:39,334 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 14:36:39,381 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,382 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,383 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,384 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,385 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,386 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,387 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,388 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,389 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,390 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,391 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,393 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,394 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,395 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,396 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,397 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,398 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,413 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,414 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,415 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,416 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,417 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,418 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,419 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,422 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,423 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,426 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,427 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,428 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,429 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,430 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,431 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,433 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,434 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,435 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,436 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,437 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,438 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,439 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,440 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,441 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,442 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,443 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,444 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,445 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,446 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,447 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,448 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,449 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,455 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,456 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,469 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,470 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~v#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,471 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~mem31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,472 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,473 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_~v#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,476 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#in~m#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_munge_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:36:39,484 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-19 14:36:39,553 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:36:39,573 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 [2021-11-19 14:36:39,574 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-19 14:36:39,591 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 14:36:39,607 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 102 transitions, 212 flow [2021-11-19 14:36:39,611 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 102 transitions, 212 flow [2021-11-19 14:36:39,613 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 106 places, 102 transitions, 212 flow [2021-11-19 14:36:39,690 INFO L129 PetriNetUnfolder]: 0/101 cut-off events. [2021-11-19 14:36:39,691 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-19 14:36:39,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 101 events. 0/101 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-19 14:36:39,701 INFO L116 LiptonReduction]: Number of co-enabled transitions 2030 [2021-11-19 14:36:44,432 INFO L131 LiptonReduction]: Checked pairs total: 11677 [2021-11-19 14:36:44,432 INFO L133 LiptonReduction]: Total number of compositions: 58 [2021-11-19 14:36:44,442 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-19 14:36:44,477 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:44,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:44,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 14:36:44,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:44,491 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:44,492 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:44,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:44,498 INFO L85 PathProgramCache]: Analyzing trace with hash 769155072, now seen corresponding path program 1 times [2021-11-19 14:36:44,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:44,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442714935] [2021-11-19 14:36:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:44,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:44,920 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:44,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442714935] [2021-11-19 14:36:44,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442714935] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:44,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:44,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:36:44,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251119717] [2021-11-19 14:36:44,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:44,931 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:36:44,932 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:44,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:36:44,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:36:44,969 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 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 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) [2021-11-19 14:36:45,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:45,432 INFO L93 Difference]: Finished difference Result 482 states and 915 transitions. [2021-11-19 14:36:45,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:36:45,435 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 [2021-11-19 14:36:45,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:45,452 INFO L225 Difference]: With dead ends: 482 [2021-11-19 14:36:45,453 INFO L226 Difference]: Without dead ends: 482 [2021-11-19 14:36:45,454 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 [2021-11-19 14:36:45,457 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 50 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:45,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 43 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:36:45,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-11-19 14:36:45,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 454. [2021-11-19 14:36:45,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 444 states have (on average 1.9391891891891893) internal successors, (861), 453 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 861 transitions. [2021-11-19 14:36:45,543 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 861 transitions. Word has length 9 [2021-11-19 14:36:45,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:45,543 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 861 transitions. [2021-11-19 14:36:45,543 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) [2021-11-19 14:36:45,544 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 861 transitions. [2021-11-19 14:36:45,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 14:36:45,544 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:45,545 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:45,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:36:45,545 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:45,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:45,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1573207907, now seen corresponding path program 1 times [2021-11-19 14:36:45,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:45,547 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723510322] [2021-11-19 14:36:45,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:45,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:45,705 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:45,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723510322] [2021-11-19 14:36:45,706 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723510322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:45,706 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:45,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:36:45,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923137382] [2021-11-19 14:36:45,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:45,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:36:45,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:36:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:36:45,708 INFO L87 Difference]: Start difference. First operand 454 states and 861 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) [2021-11-19 14:36:45,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:45,942 INFO L93 Difference]: Finished difference Result 487 states and 921 transitions. [2021-11-19 14:36:45,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:36:45,943 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 [2021-11-19 14:36:45,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:45,947 INFO L225 Difference]: With dead ends: 487 [2021-11-19 14:36:45,947 INFO L226 Difference]: Without dead ends: 487 [2021-11-19 14:36:45,948 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 [2021-11-19 14:36:45,950 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 34 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:45,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 43 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:36:45,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-11-19 14:36:45,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2021-11-19 14:36:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:45,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2021-11-19 14:36:45,988 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2021-11-19 14:36:45,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:45,989 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2021-11-19 14:36:45,989 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) [2021-11-19 14:36:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2021-11-19 14:36:45,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:36:45,991 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:45,991 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:45,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:36:45,992 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:45,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:45,992 INFO L85 PathProgramCache]: Analyzing trace with hash 2110853240, now seen corresponding path program 1 times [2021-11-19 14:36:45,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:45,993 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200344422] [2021-11-19 14:36:45,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:45,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:46,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:46,100 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:46,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200344422] [2021-11-19 14:36:46,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200344422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:46,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:46,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:36:46,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795741807] [2021-11-19 14:36:46,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:46,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:36:46,102 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:46,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:36:46,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:36:46,103 INFO L87 Difference]: Start difference. First operand 473 states and 895 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) [2021-11-19 14:36:46,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:46,417 INFO L93 Difference]: Finished difference Result 576 states and 1095 transitions. [2021-11-19 14:36:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:36:46,421 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 [2021-11-19 14:36:46,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:46,426 INFO L225 Difference]: With dead ends: 576 [2021-11-19 14:36:46,426 INFO L226 Difference]: Without dead ends: 563 [2021-11-19 14:36:46,426 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 [2021-11-19 14:36:46,428 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:46,428 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 47 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:36:46,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-11-19 14:36:46,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2021-11-19 14:36:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 530 states have (on average 1.9320754716981132) internal successors, (1024), 539 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:46,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1024 transitions. [2021-11-19 14:36:46,452 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1024 transitions. Word has length 15 [2021-11-19 14:36:46,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:46,452 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 1024 transitions. [2021-11-19 14:36:46,452 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) [2021-11-19 14:36:46,453 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1024 transitions. [2021-11-19 14:36:46,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:36:46,454 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:46,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:46,455 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 14:36:46,455 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:46,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:46,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1229501934, now seen corresponding path program 1 times [2021-11-19 14:36:46,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:46,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830614237] [2021-11-19 14:36:46,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:46,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:46,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:46,576 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:46,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830614237] [2021-11-19 14:36:46,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830614237] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:46,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:46,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:36:46,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7339721] [2021-11-19 14:36:46,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:46,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:36:46,577 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:46,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:36:46,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:36:46,578 INFO L87 Difference]: Start difference. First operand 540 states and 1024 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) [2021-11-19 14:36:46,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:46,765 INFO L93 Difference]: Finished difference Result 611 states and 1161 transitions. [2021-11-19 14:36:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:36:46,765 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 [2021-11-19 14:36:46,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:46,770 INFO L225 Difference]: With dead ends: 611 [2021-11-19 14:36:46,770 INFO L226 Difference]: Without dead ends: 611 [2021-11-19 14:36:46,771 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 [2021-11-19 14:36:46,772 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 35 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:46,772 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 44 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:36:46,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-11-19 14:36:46,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 591. [2021-11-19 14:36:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:46,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2021-11-19 14:36:46,795 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2021-11-19 14:36:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:46,796 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2021-11-19 14:36:46,796 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) [2021-11-19 14:36:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2021-11-19 14:36:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:46,798 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:46,798 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:46,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 14:36:46,798 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:46,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:46,799 INFO L85 PathProgramCache]: Analyzing trace with hash -366342721, now seen corresponding path program 1 times [2021-11-19 14:36:46,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:46,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884449316] [2021-11-19 14:36:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:46,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:46,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:46,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:46,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884449316] [2021-11-19 14:36:46,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884449316] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:46,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:46,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:46,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906720366] [2021-11-19 14:36:46,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:46,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:46,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:46,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:46,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:46,991 INFO L87 Difference]: Start difference. First operand 591 states and 1122 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) [2021-11-19 14:36:47,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:47,566 INFO L93 Difference]: Finished difference Result 1266 states and 2414 transitions. [2021-11-19 14:36:47,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:47,567 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 [2021-11-19 14:36:47,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:47,576 INFO L225 Difference]: With dead ends: 1266 [2021-11-19 14:36:47,576 INFO L226 Difference]: Without dead ends: 1266 [2021-11-19 14:36:47,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:47,578 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 194 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:47,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [194 Valid, 49 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:36:47,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2021-11-19 14:36:47,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 784. [2021-11-19 14:36:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 774 states have (on average 1.9612403100775193) internal successors, (1518), 783 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1518 transitions. [2021-11-19 14:36:47,629 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1518 transitions. Word has length 18 [2021-11-19 14:36:47,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:47,630 INFO L470 AbstractCegarLoop]: Abstraction has 784 states and 1518 transitions. [2021-11-19 14:36:47,630 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) [2021-11-19 14:36:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1518 transitions. [2021-11-19 14:36:47,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:47,633 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:47,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:47,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 14:36:47,634 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:47,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:47,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1451251545, now seen corresponding path program 1 times [2021-11-19 14:36:47,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:47,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670157204] [2021-11-19 14:36:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:47,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:47,787 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:47,788 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670157204] [2021-11-19 14:36:47,788 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670157204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:47,788 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:47,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:47,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788666774] [2021-11-19 14:36:47,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:47,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:47,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:47,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:47,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:47,790 INFO L87 Difference]: Start difference. First operand 784 states and 1518 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) [2021-11-19 14:36:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:48,243 INFO L93 Difference]: Finished difference Result 1187 states and 2257 transitions. [2021-11-19 14:36:48,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:36:48,244 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 [2021-11-19 14:36:48,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:48,252 INFO L225 Difference]: With dead ends: 1187 [2021-11-19 14:36:48,253 INFO L226 Difference]: Without dead ends: 1187 [2021-11-19 14:36:48,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:36:48,254 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 185 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:48,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 46 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:36:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2021-11-19 14:36:48,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 786. [2021-11-19 14:36:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 776 states have (on average 1.9561855670103092) internal successors, (1518), 785 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1518 transitions. [2021-11-19 14:36:48,287 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1518 transitions. Word has length 18 [2021-11-19 14:36:48,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:48,287 INFO L470 AbstractCegarLoop]: Abstraction has 786 states and 1518 transitions. [2021-11-19 14:36:48,288 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) [2021-11-19 14:36:48,288 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1518 transitions. [2021-11-19 14:36:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:48,289 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:48,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:48,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 14:36:48,290 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:48,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:48,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1834880608, now seen corresponding path program 1 times [2021-11-19 14:36:48,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:48,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016964060] [2021-11-19 14:36:48,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:48,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:48,612 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:48,612 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016964060] [2021-11-19 14:36:48,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016964060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:48,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:48,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:48,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13504180] [2021-11-19 14:36:48,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:48,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:48,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:48,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:48,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:48,613 INFO L87 Difference]: Start difference. First operand 786 states and 1518 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) [2021-11-19 14:36:49,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:49,246 INFO L93 Difference]: Finished difference Result 1258 states and 2398 transitions. [2021-11-19 14:36:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:49,246 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 [2021-11-19 14:36:49,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:49,255 INFO L225 Difference]: With dead ends: 1258 [2021-11-19 14:36:49,255 INFO L226 Difference]: Without dead ends: 1254 [2021-11-19 14:36:49,256 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:49,256 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 190 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 557 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:49,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [190 Valid, 49 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 557 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:36:49,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2021-11-19 14:36:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 832. [2021-11-19 14:36:49,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 822 states have (on average 1.9586374695863746) internal successors, (1610), 831 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) [2021-11-19 14:36:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1610 transitions. [2021-11-19 14:36:49,289 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1610 transitions. Word has length 18 [2021-11-19 14:36:49,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:49,289 INFO L470 AbstractCegarLoop]: Abstraction has 832 states and 1610 transitions. [2021-11-19 14:36:49,289 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) [2021-11-19 14:36:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1610 transitions. [2021-11-19 14:36:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:49,291 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:49,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:49,291 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 14:36:49,291 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:49,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:49,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1606824326, now seen corresponding path program 1 times [2021-11-19 14:36:49,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:49,292 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071448569] [2021-11-19 14:36:49,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:49,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:49,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:49,410 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071448569] [2021-11-19 14:36:49,410 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071448569] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:49,410 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:49,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:49,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922903245] [2021-11-19 14:36:49,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:49,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:49,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:49,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:49,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:49,412 INFO L87 Difference]: Start difference. First operand 832 states and 1610 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) [2021-11-19 14:36:50,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:50,206 INFO L93 Difference]: Finished difference Result 1171 states and 2231 transitions. [2021-11-19 14:36:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-19 14:36:50,206 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 [2021-11-19 14:36:50,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:50,215 INFO L225 Difference]: With dead ends: 1171 [2021-11-19 14:36:50,215 INFO L226 Difference]: Without dead ends: 1171 [2021-11-19 14:36:50,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2021-11-19 14:36:50,216 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 191 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:50,217 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [191 Valid, 43 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:36:50,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2021-11-19 14:36:50,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 819. [2021-11-19 14:36:50,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 819 states, 809 states have (on average 1.9555006180469716) internal successors, (1582), 818 states have internal predecessors, (1582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1582 transitions. [2021-11-19 14:36:50,246 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1582 transitions. Word has length 18 [2021-11-19 14:36:50,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:50,247 INFO L470 AbstractCegarLoop]: Abstraction has 819 states and 1582 transitions. [2021-11-19 14:36:50,247 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) [2021-11-19 14:36:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1582 transitions. [2021-11-19 14:36:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:50,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:50,249 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:50,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 14:36:50,249 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:50,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1825043040, now seen corresponding path program 2 times [2021-11-19 14:36:50,250 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:50,250 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521748529] [2021-11-19 14:36:50,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:50,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:50,500 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:50,500 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521748529] [2021-11-19 14:36:50,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521748529] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:50,500 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:50,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:50,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126181661] [2021-11-19 14:36:50,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:50,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:50,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:50,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:50,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:50,502 INFO L87 Difference]: Start difference. First operand 819 states and 1582 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) [2021-11-19 14:36:51,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:51,417 INFO L93 Difference]: Finished difference Result 1059 states and 2040 transitions. [2021-11-19 14:36:51,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:51,418 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 [2021-11-19 14:36:51,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:51,425 INFO L225 Difference]: With dead ends: 1059 [2021-11-19 14:36:51,425 INFO L226 Difference]: Without dead ends: 1055 [2021-11-19 14:36:51,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:51,426 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 135 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:51,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 59 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-19 14:36:51,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2021-11-19 14:36:51,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 807. [2021-11-19 14:36:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 797 states have (on average 1.9548306148055208) internal successors, (1558), 806 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1558 transitions. [2021-11-19 14:36:51,454 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1558 transitions. Word has length 18 [2021-11-19 14:36:51,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:51,454 INFO L470 AbstractCegarLoop]: Abstraction has 807 states and 1558 transitions. [2021-11-19 14:36:51,455 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) [2021-11-19 14:36:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1558 transitions. [2021-11-19 14:36:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:51,456 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:51,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:51,456 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 14:36:51,457 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:51,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:51,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1057354786, now seen corresponding path program 3 times [2021-11-19 14:36:51,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:51,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274119285] [2021-11-19 14:36:51,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:51,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:51,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:51,722 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:51,723 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274119285] [2021-11-19 14:36:51,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274119285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:51,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:51,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:51,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562049762] [2021-11-19 14:36:51,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:51,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:51,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:51,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:51,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:51,724 INFO L87 Difference]: Start difference. First operand 807 states and 1558 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) [2021-11-19 14:36:52,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:52,347 INFO L93 Difference]: Finished difference Result 1017 states and 1958 transitions. [2021-11-19 14:36:52,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:52,349 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 [2021-11-19 14:36:52,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:52,355 INFO L225 Difference]: With dead ends: 1017 [2021-11-19 14:36:52,356 INFO L226 Difference]: Without dead ends: 1014 [2021-11-19 14:36:52,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:52,357 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 155 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:52,357 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [155 Valid, 64 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:36:52,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2021-11-19 14:36:52,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 795. [2021-11-19 14:36:52,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 785 states have (on average 1.954140127388535) internal successors, (1534), 794 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:52,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1534 transitions. [2021-11-19 14:36:52,384 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1534 transitions. Word has length 18 [2021-11-19 14:36:52,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:52,384 INFO L470 AbstractCegarLoop]: Abstraction has 795 states and 1534 transitions. [2021-11-19 14:36:52,384 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) [2021-11-19 14:36:52,384 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1534 transitions. [2021-11-19 14:36:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:52,386 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:52,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:52,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 14:36:52,386 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:52,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:52,387 INFO L85 PathProgramCache]: Analyzing trace with hash 526902880, now seen corresponding path program 4 times [2021-11-19 14:36:52,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:52,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54157163] [2021-11-19 14:36:52,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:52,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:52,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:52,650 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:52,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54157163] [2021-11-19 14:36:52,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54157163] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:52,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:52,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:52,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167400450] [2021-11-19 14:36:52,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:52,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:52,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:52,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:52,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:52,651 INFO L87 Difference]: Start difference. First operand 795 states and 1534 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) [2021-11-19 14:36:53,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:53,479 INFO L93 Difference]: Finished difference Result 941 states and 1811 transitions. [2021-11-19 14:36:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:53,480 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 [2021-11-19 14:36:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:53,486 INFO L225 Difference]: With dead ends: 941 [2021-11-19 14:36:53,486 INFO L226 Difference]: Without dead ends: 939 [2021-11-19 14:36:53,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:53,488 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 135 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:53,488 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 76 Invalid, 798 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 14:36:53,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2021-11-19 14:36:53,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 771. [2021-11-19 14:36:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 761 states have (on average 1.947437582128778) internal successors, (1482), 770 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:53,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1482 transitions. [2021-11-19 14:36:53,511 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1482 transitions. Word has length 18 [2021-11-19 14:36:53,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:53,511 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 1482 transitions. [2021-11-19 14:36:53,512 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) [2021-11-19 14:36:53,512 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1482 transitions. [2021-11-19 14:36:53,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:53,513 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:53,513 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:53,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 14:36:53,514 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:53,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:53,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1814838337, now seen corresponding path program 2 times [2021-11-19 14:36:53,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:53,515 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291323258] [2021-11-19 14:36:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:53,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:53,706 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:53,707 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291323258] [2021-11-19 14:36:53,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291323258] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:53,707 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:53,707 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:53,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694498396] [2021-11-19 14:36:53,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:53,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:53,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:53,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:53,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:53,708 INFO L87 Difference]: Start difference. First operand 771 states and 1482 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) [2021-11-19 14:36:54,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:54,539 INFO L93 Difference]: Finished difference Result 879 states and 1697 transitions. [2021-11-19 14:36:54,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:36:54,539 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 [2021-11-19 14:36:54,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:54,544 INFO L225 Difference]: With dead ends: 879 [2021-11-19 14:36:54,544 INFO L226 Difference]: Without dead ends: 879 [2021-11-19 14:36:54,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2021-11-19 14:36:54,545 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 120 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:54,547 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 82 Invalid, 757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 722 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2021-11-19 14:36:54,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2021-11-19 14:36:54,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 771. [2021-11-19 14:36:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 761 states have (on average 1.947437582128778) internal successors, (1482), 770 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:54,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1482 transitions. [2021-11-19 14:36:54,569 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1482 transitions. Word has length 18 [2021-11-19 14:36:54,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:54,569 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 1482 transitions. [2021-11-19 14:36:54,569 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) [2021-11-19 14:36:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1482 transitions. [2021-11-19 14:36:54,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:54,571 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:54,571 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:54,571 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 14:36:54,571 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:54,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:54,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1874718247, now seen corresponding path program 3 times [2021-11-19 14:36:54,572 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:54,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034431209] [2021-11-19 14:36:54,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:54,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:54,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:54,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:54,781 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034431209] [2021-11-19 14:36:54,781 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034431209] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:54,781 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:54,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:54,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376805146] [2021-11-19 14:36:54,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:54,782 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:54,782 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:54,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:54,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:54,783 INFO L87 Difference]: Start difference. First operand 771 states and 1482 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) [2021-11-19 14:36:55,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:55,436 INFO L93 Difference]: Finished difference Result 909 states and 1757 transitions. [2021-11-19 14:36:55,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:55,436 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 [2021-11-19 14:36:55,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:55,442 INFO L225 Difference]: With dead ends: 909 [2021-11-19 14:36:55,442 INFO L226 Difference]: Without dead ends: 909 [2021-11-19 14:36:55,442 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:55,443 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 129 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:55,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 76 Invalid, 687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:36:55,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2021-11-19 14:36:55,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 771. [2021-11-19 14:36:55,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 761 states have (on average 1.947437582128778) internal successors, (1482), 770 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:55,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1482 transitions. [2021-11-19 14:36:55,465 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1482 transitions. Word has length 18 [2021-11-19 14:36:55,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:55,465 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 1482 transitions. [2021-11-19 14:36:55,465 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) [2021-11-19 14:36:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1482 transitions. [2021-11-19 14:36:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:55,466 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:55,467 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:55,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-19 14:36:55,467 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:55,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:55,467 INFO L85 PathProgramCache]: Analyzing trace with hash -536266209, now seen corresponding path program 4 times [2021-11-19 14:36:55,468 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:55,468 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986466951] [2021-11-19 14:36:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:55,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:55,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:55,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986466951] [2021-11-19 14:36:55,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986466951] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:55,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:55,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:55,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839666759] [2021-11-19 14:36:55,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:55,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:55,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:55,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:55,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:55,620 INFO L87 Difference]: Start difference. First operand 771 states and 1482 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) [2021-11-19 14:36:56,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:56,401 INFO L93 Difference]: Finished difference Result 939 states and 1817 transitions. [2021-11-19 14:36:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:56,401 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 [2021-11-19 14:36:56,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:56,406 INFO L225 Difference]: With dead ends: 939 [2021-11-19 14:36:56,406 INFO L226 Difference]: Without dead ends: 939 [2021-11-19 14:36:56,407 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:56,407 INFO L933 BasicCegarLoop]: 37 mSDtfsCounter, 120 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:56,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 68 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-11-19 14:36:56,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2021-11-19 14:36:56,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 771. [2021-11-19 14:36:56,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 771 states, 761 states have (on average 1.947437582128778) internal successors, (1482), 770 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:56,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 1482 transitions. [2021-11-19 14:36:56,430 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 1482 transitions. Word has length 18 [2021-11-19 14:36:56,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:56,431 INFO L470 AbstractCegarLoop]: Abstraction has 771 states and 1482 transitions. [2021-11-19 14:36:56,431 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) [2021-11-19 14:36:56,431 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1482 transitions. [2021-11-19 14:36:56,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:56,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:56,433 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:56,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-19 14:36:56,433 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:56,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:56,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1403465783, now seen corresponding path program 5 times [2021-11-19 14:36:56,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:56,434 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490453849] [2021-11-19 14:36:56,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:56,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:56,587 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:56,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490453849] [2021-11-19 14:36:56,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490453849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:56,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:56,587 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:56,587 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618141712] [2021-11-19 14:36:56,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:56,588 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:56,588 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:56,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:56,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:56,589 INFO L87 Difference]: Start difference. First operand 771 states and 1482 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) [2021-11-19 14:36:57,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:57,137 INFO L93 Difference]: Finished difference Result 933 states and 1805 transitions. [2021-11-19 14:36:57,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:57,147 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 [2021-11-19 14:36:57,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:57,153 INFO L225 Difference]: With dead ends: 933 [2021-11-19 14:36:57,153 INFO L226 Difference]: Without dead ends: 933 [2021-11-19 14:36:57,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:57,155 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 122 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:57,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 60 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:36:57,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2021-11-19 14:36:57,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 735. [2021-11-19 14:36:57,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 725 states have (on average 1.9448275862068964) internal successors, (1410), 734 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1410 transitions. [2021-11-19 14:36:57,178 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1410 transitions. Word has length 18 [2021-11-19 14:36:57,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:57,178 INFO L470 AbstractCegarLoop]: Abstraction has 735 states and 1410 transitions. [2021-11-19 14:36:57,178 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) [2021-11-19 14:36:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1410 transitions. [2021-11-19 14:36:57,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:57,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:57,180 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:57,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-19 14:36:57,180 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:57,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:57,181 INFO L85 PathProgramCache]: Analyzing trace with hash -107547397, now seen corresponding path program 6 times [2021-11-19 14:36:57,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:57,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766170280] [2021-11-19 14:36:57,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:57,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:57,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:57,332 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:57,332 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766170280] [2021-11-19 14:36:57,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766170280] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:57,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:57,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:57,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973718786] [2021-11-19 14:36:57,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:57,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:57,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:57,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:57,339 INFO L87 Difference]: Start difference. First operand 735 states and 1410 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) [2021-11-19 14:36:57,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:57,871 INFO L93 Difference]: Finished difference Result 901 states and 1700 transitions. [2021-11-19 14:36:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:36:57,871 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 [2021-11-19 14:36:57,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:57,876 INFO L225 Difference]: With dead ends: 901 [2021-11-19 14:36:57,876 INFO L226 Difference]: Without dead ends: 901 [2021-11-19 14:36:57,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:36:57,877 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 168 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:57,877 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [168 Valid, 48 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:36:57,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2021-11-19 14:36:57,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 642. [2021-11-19 14:36:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 642 states, 634 states have (on average 1.9305993690851735) internal successors, (1224), 641 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 642 states and 1224 transitions. [2021-11-19 14:36:57,897 INFO L78 Accepts]: Start accepts. Automaton has 642 states and 1224 transitions. Word has length 18 [2021-11-19 14:36:57,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:57,897 INFO L470 AbstractCegarLoop]: Abstraction has 642 states and 1224 transitions. [2021-11-19 14:36:57,897 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) [2021-11-19 14:36:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1224 transitions. [2021-11-19 14:36:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:57,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:57,899 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:57,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-19 14:36:57,899 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:57,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1710046869, now seen corresponding path program 2 times [2021-11-19 14:36:57,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:57,900 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198801859] [2021-11-19 14:36:57,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:57,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:58,024 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:58,024 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198801859] [2021-11-19 14:36:58,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198801859] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:58,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:58,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:58,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147683887] [2021-11-19 14:36:58,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:58,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:58,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:58,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:58,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:58,026 INFO L87 Difference]: Start difference. First operand 642 states and 1224 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) [2021-11-19 14:36:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:58,365 INFO L93 Difference]: Finished difference Result 888 states and 1670 transitions. [2021-11-19 14:36:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:36:58,366 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 [2021-11-19 14:36:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:58,370 INFO L225 Difference]: With dead ends: 888 [2021-11-19 14:36:58,370 INFO L226 Difference]: Without dead ends: 888 [2021-11-19 14:36:58,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:36:58,371 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 158 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:58,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 52 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:36:58,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2021-11-19 14:36:58,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 674. [2021-11-19 14:36:58,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 666 states have (on average 1.9339339339339339) internal successors, (1288), 673 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 1288 transitions. [2021-11-19 14:36:58,391 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 1288 transitions. Word has length 18 [2021-11-19 14:36:58,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:58,391 INFO L470 AbstractCegarLoop]: Abstraction has 674 states and 1288 transitions. [2021-11-19 14:36:58,391 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) [2021-11-19 14:36:58,392 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1288 transitions. [2021-11-19 14:36:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:58,393 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:58,393 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:58,393 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-19 14:36:58,393 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:58,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:58,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2093675932, now seen corresponding path program 5 times [2021-11-19 14:36:58,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:58,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228611762] [2021-11-19 14:36:58,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:58,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:58,656 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:58,656 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228611762] [2021-11-19 14:36:58,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228611762] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:58,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:58,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:58,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102568744] [2021-11-19 14:36:58,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:58,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:58,657 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:58,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:58,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:58,658 INFO L87 Difference]: Start difference. First operand 674 states and 1288 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) [2021-11-19 14:36:59,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:59,145 INFO L93 Difference]: Finished difference Result 858 states and 1615 transitions. [2021-11-19 14:36:59,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:36:59,146 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 [2021-11-19 14:36:59,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:59,150 INFO L225 Difference]: With dead ends: 858 [2021-11-19 14:36:59,150 INFO L226 Difference]: Without dead ends: 854 [2021-11-19 14:36:59,150 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:36:59,151 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 169 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:59,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [169 Valid, 44 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:36:59,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2021-11-19 14:36:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 601. [2021-11-19 14:36:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 596 states have (on average 1.9261744966442953) internal successors, (1148), 600 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:59,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 1148 transitions. [2021-11-19 14:36:59,166 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 1148 transitions. Word has length 18 [2021-11-19 14:36:59,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:59,166 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 1148 transitions. [2021-11-19 14:36:59,167 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) [2021-11-19 14:36:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1148 transitions. [2021-11-19 14:36:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:59,168 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:59,168 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:59,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-19 14:36:59,169 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:59,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:59,169 INFO L85 PathProgramCache]: Analyzing trace with hash -1348029002, now seen corresponding path program 2 times [2021-11-19 14:36:59,169 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:59,169 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283874626] [2021-11-19 14:36:59,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:59,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:36:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:36:59,281 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:36:59,281 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283874626] [2021-11-19 14:36:59,281 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283874626] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:36:59,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:36:59,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:36:59,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509196348] [2021-11-19 14:36:59,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:36:59,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:36:59,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:36:59,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:36:59,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:36:59,283 INFO L87 Difference]: Start difference. First operand 601 states and 1148 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) [2021-11-19 14:36:59,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:36:59,921 INFO L93 Difference]: Finished difference Result 827 states and 1556 transitions. [2021-11-19 14:36:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-19 14:36:59,922 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 [2021-11-19 14:36:59,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:36:59,925 INFO L225 Difference]: With dead ends: 827 [2021-11-19 14:36:59,925 INFO L226 Difference]: Without dead ends: 827 [2021-11-19 14:36:59,926 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=251, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:36:59,926 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 132 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-19 14:36:59,926 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 77 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-19 14:36:59,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2021-11-19 14:36:59,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 409. [2021-11-19 14:36:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 405 states have (on average 1.8987654320987655) internal successors, (769), 408 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:36:59,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 769 transitions. [2021-11-19 14:36:59,937 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 769 transitions. Word has length 18 [2021-11-19 14:36:59,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:36:59,938 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 769 transitions. [2021-11-19 14:36:59,938 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) [2021-11-19 14:36:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 769 transitions. [2021-11-19 14:36:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:36:59,939 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:36:59,939 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:36:59,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-19 14:36:59,940 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:36:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:36:59,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1585489653, now seen corresponding path program 3 times [2021-11-19 14:36:59,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:36:59,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602413561] [2021-11-19 14:36:59,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:36:59,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:36:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:00,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:00,153 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:00,154 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602413561] [2021-11-19 14:37:00,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602413561] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:00,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:00,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:37:00,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53743052] [2021-11-19 14:37:00,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:00,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:37:00,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:00,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:37:00,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:37:00,156 INFO L87 Difference]: Start difference. First operand 409 states and 769 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) [2021-11-19 14:37:00,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:00,691 INFO L93 Difference]: Finished difference Result 515 states and 970 transitions. [2021-11-19 14:37:00,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-19 14:37:00,692 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 [2021-11-19 14:37:00,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:00,694 INFO L225 Difference]: With dead ends: 515 [2021-11-19 14:37:00,694 INFO L226 Difference]: Without dead ends: 515 [2021-11-19 14:37:00,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=202, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:37:00,695 INFO L933 BasicCegarLoop]: 35 mSDtfsCounter, 114 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:00,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 63 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:37:00,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-11-19 14:37:00,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 409. [2021-11-19 14:37:00,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 405 states have (on average 1.8987654320987655) internal successors, (769), 408 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:00,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 769 transitions. [2021-11-19 14:37:00,713 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 769 transitions. Word has length 18 [2021-11-19 14:37:00,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:00,713 INFO L470 AbstractCegarLoop]: Abstraction has 409 states and 769 transitions. [2021-11-19 14:37:00,713 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) [2021-11-19 14:37:00,714 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 769 transitions. [2021-11-19 14:37:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 14:37:00,714 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:00,715 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:37:00,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-19 14:37:00,715 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:00,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:00,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1156103791, now seen corresponding path program 4 times [2021-11-19 14:37:00,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:00,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839306081] [2021-11-19 14:37:00,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:00,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:00,954 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:00,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839306081] [2021-11-19 14:37:00,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839306081] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:00,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:00,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-19 14:37:00,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969445016] [2021-11-19 14:37:00,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:00,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-19 14:37:00,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:00,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-19 14:37:00,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-11-19 14:37:00,956 INFO L87 Difference]: Start difference. First operand 409 states and 769 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) [2021-11-19 14:37:01,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:01,522 INFO L93 Difference]: Finished difference Result 509 states and 959 transitions. [2021-11-19 14:37:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:37:01,522 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 [2021-11-19 14:37:01,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:01,525 INFO L225 Difference]: With dead ends: 509 [2021-11-19 14:37:01,525 INFO L226 Difference]: Without dead ends: 509 [2021-11-19 14:37:01,525 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:37:01,526 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 117 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:01,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 49 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:37:01,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2021-11-19 14:37:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 347. [2021-11-19 14:37:01,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 344 states have (on average 1.8895348837209303) internal successors, (650), 346 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:01,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 650 transitions. [2021-11-19 14:37:01,536 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 650 transitions. Word has length 18 [2021-11-19 14:37:01,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:01,537 INFO L470 AbstractCegarLoop]: Abstraction has 347 states and 650 transitions. [2021-11-19 14:37:01,537 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) [2021-11-19 14:37:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 650 transitions. [2021-11-19 14:37:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 14:37:01,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:01,539 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] [2021-11-19 14:37:01,539 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-19 14:37:01,539 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:01,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:01,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1430261835, now seen corresponding path program 1 times [2021-11-19 14:37:01,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:01,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623049536] [2021-11-19 14:37:01,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:01,540 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:01,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:01,630 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:01,630 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623049536] [2021-11-19 14:37:01,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623049536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:01,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:01,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:37:01,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505325434] [2021-11-19 14:37:01,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:01,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 14:37:01,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:01,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 14:37:01,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:37:01,632 INFO L87 Difference]: Start difference. First operand 347 states and 650 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:01,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:01,764 INFO L93 Difference]: Finished difference Result 369 states and 683 transitions. [2021-11-19 14:37:01,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 14:37:01,764 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-19 14:37:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:01,766 INFO L225 Difference]: With dead ends: 369 [2021-11-19 14:37:01,766 INFO L226 Difference]: Without dead ends: 329 [2021-11-19 14:37:01,766 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 [2021-11-19 14:37:01,767 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 31 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:01,767 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 42 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:37:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-11-19 14:37:01,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2021-11-19 14:37:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.8695652173913044) internal successors, (602), 324 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 602 transitions. [2021-11-19 14:37:01,776 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 602 transitions. Word has length 22 [2021-11-19 14:37:01,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:01,776 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 602 transitions. [2021-11-19 14:37:01,776 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:01,776 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 602 transitions. [2021-11-19 14:37:01,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:37:01,777 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:01,778 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] [2021-11-19 14:37:01,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-19 14:37:01,778 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:01,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:01,779 INFO L85 PathProgramCache]: Analyzing trace with hash 340489304, now seen corresponding path program 1 times [2021-11-19 14:37:01,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:01,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590619842] [2021-11-19 14:37:01,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:01,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:01,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:02,411 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:02,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590619842] [2021-11-19 14:37:02,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590619842] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:02,411 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:02,411 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:37:02,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724384564] [2021-11-19 14:37:02,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:02,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:37:02,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:02,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:37:02,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:37:02,413 INFO L87 Difference]: Start difference. First operand 325 states and 602 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:03,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:03,125 INFO L93 Difference]: Finished difference Result 711 states and 1306 transitions. [2021-11-19 14:37:03,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:37:03,126 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-19 14:37:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:03,130 INFO L225 Difference]: With dead ends: 711 [2021-11-19 14:37:03,130 INFO L226 Difference]: Without dead ends: 688 [2021-11-19 14:37:03,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:37:03,131 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 173 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:03,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [173 Valid, 22 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:37:03,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2021-11-19 14:37:03,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 538. [2021-11-19 14:37:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 535 states have (on average 1.8878504672897196) internal successors, (1010), 537 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:03,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 1010 transitions. [2021-11-19 14:37:03,145 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 1010 transitions. Word has length 31 [2021-11-19 14:37:03,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:03,146 INFO L470 AbstractCegarLoop]: Abstraction has 538 states and 1010 transitions. [2021-11-19 14:37:03,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:03,146 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1010 transitions. [2021-11-19 14:37:03,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:37:03,147 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:03,148 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] [2021-11-19 14:37:03,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-19 14:37:03,148 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:03,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:03,149 INFO L85 PathProgramCache]: Analyzing trace with hash 493805635, now seen corresponding path program 1 times [2021-11-19 14:37:03,149 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:03,149 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610692738] [2021-11-19 14:37:03,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:03,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:03,271 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:03,271 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610692738] [2021-11-19 14:37:03,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610692738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:03,272 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:03,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 14:37:03,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937787766] [2021-11-19 14:37:03,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:03,273 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 14:37:03,273 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:03,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 14:37:03,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-19 14:37:03,274 INFO L87 Difference]: Start difference. First operand 538 states and 1010 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:03,596 INFO L93 Difference]: Finished difference Result 527 states and 989 transitions. [2021-11-19 14:37:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-19 14:37:03,596 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-19 14:37:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:03,598 INFO L225 Difference]: With dead ends: 527 [2021-11-19 14:37:03,598 INFO L226 Difference]: Without dead ends: 293 [2021-11-19 14:37:03,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:37:03,599 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 67 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:03,599 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 42 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 14:37:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2021-11-19 14:37:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 274. [2021-11-19 14:37:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 273 states have (on average 1.8315018315018314) internal successors, (500), 273 states have internal predecessors, (500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 500 transitions. [2021-11-19 14:37:03,606 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 500 transitions. Word has length 31 [2021-11-19 14:37:03,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:03,607 INFO L470 AbstractCegarLoop]: Abstraction has 274 states and 500 transitions. [2021-11-19 14:37:03,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:03,607 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 500 transitions. [2021-11-19 14:37:03,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:37:03,608 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:03,608 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] [2021-11-19 14:37:03,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-19 14:37:03,609 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:03,609 INFO L85 PathProgramCache]: Analyzing trace with hash -228300522, now seen corresponding path program 2 times [2021-11-19 14:37:03,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:03,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951024515] [2021-11-19 14:37:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:03,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:04,072 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:04,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951024515] [2021-11-19 14:37:04,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951024515] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:04,073 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:04,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:37:04,073 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853550559] [2021-11-19 14:37:04,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:04,073 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:37:04,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:04,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:37:04,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:37:04,074 INFO L87 Difference]: Start difference. First operand 274 states and 500 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:04,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:04,551 INFO L93 Difference]: Finished difference Result 366 states and 641 transitions. [2021-11-19 14:37:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:37:04,551 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-19 14:37:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:04,552 INFO L225 Difference]: With dead ends: 366 [2021-11-19 14:37:04,552 INFO L226 Difference]: Without dead ends: 234 [2021-11-19 14:37:04,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:37:04,553 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 116 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:04,553 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 54 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:37:04,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-11-19 14:37:04,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 198. [2021-11-19 14:37:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 197 states have (on average 1.781725888324873) internal successors, (351), 197 states have internal predecessors, (351), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:04,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 351 transitions. [2021-11-19 14:37:04,559 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 351 transitions. Word has length 31 [2021-11-19 14:37:04,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:04,559 INFO L470 AbstractCegarLoop]: Abstraction has 198 states and 351 transitions. [2021-11-19 14:37:04,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 351 transitions. [2021-11-19 14:37:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:37:04,560 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:04,560 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] [2021-11-19 14:37:04,560 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-19 14:37:04,560 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:04,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:04,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1209892080, now seen corresponding path program 3 times [2021-11-19 14:37:04,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:04,561 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747584863] [2021-11-19 14:37:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:04,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:04,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:04,991 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:04,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747584863] [2021-11-19 14:37:04,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747584863] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:04,991 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:04,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:37:04,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164100931] [2021-11-19 14:37:04,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:04,992 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:37:04,992 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:04,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:37:04,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:37:04,993 INFO L87 Difference]: Start difference. First operand 198 states and 351 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:05,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:05,552 INFO L93 Difference]: Finished difference Result 274 states and 472 transitions. [2021-11-19 14:37:05,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:37:05,553 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-19 14:37:05,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:05,554 INFO L225 Difference]: With dead ends: 274 [2021-11-19 14:37:05,554 INFO L226 Difference]: Without dead ends: 233 [2021-11-19 14:37:05,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2021-11-19 14:37:05,555 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 105 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:05,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 52 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 14:37:05,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-11-19 14:37:05,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 197. [2021-11-19 14:37:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 196 states have (on average 1.780612244897959) internal successors, (349), 196 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:05,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 349 transitions. [2021-11-19 14:37:05,561 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 349 transitions. Word has length 31 [2021-11-19 14:37:05,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:05,562 INFO L470 AbstractCegarLoop]: Abstraction has 197 states and 349 transitions. [2021-11-19 14:37:05,562 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 349 transitions. [2021-11-19 14:37:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:37:05,563 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:05,563 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] [2021-11-19 14:37:05,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-19 14:37:05,564 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:05,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:05,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1298177032, now seen corresponding path program 4 times [2021-11-19 14:37:05,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:05,565 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690486401] [2021-11-19 14:37:05,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:05,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:06,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:06,025 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:06,025 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690486401] [2021-11-19 14:37:06,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690486401] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:06,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:06,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:37:06,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969901344] [2021-11-19 14:37:06,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:06,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:37:06,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:06,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:37:06,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:37:06,027 INFO L87 Difference]: Start difference. First operand 197 states and 349 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:06,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:06,496 INFO L93 Difference]: Finished difference Result 293 states and 509 transitions. [2021-11-19 14:37:06,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:37:06,496 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-19 14:37:06,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:06,498 INFO L225 Difference]: With dead ends: 293 [2021-11-19 14:37:06,498 INFO L226 Difference]: Without dead ends: 232 [2021-11-19 14:37:06,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:37:06,499 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 94 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:06,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 50 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:37:06,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2021-11-19 14:37:06,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 196. [2021-11-19 14:37:06,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.7794871794871794) internal successors, (347), 195 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:06,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 347 transitions. [2021-11-19 14:37:06,504 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 347 transitions. Word has length 31 [2021-11-19 14:37:06,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:06,505 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 347 transitions. [2021-11-19 14:37:06,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:06,505 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 347 transitions. [2021-11-19 14:37:06,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:37:06,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:06,506 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] [2021-11-19 14:37:06,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-19 14:37:06,507 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:06,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:06,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1303260530, now seen corresponding path program 5 times [2021-11-19 14:37:06,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:06,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813089803] [2021-11-19 14:37:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:06,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:06,946 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:06,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813089803] [2021-11-19 14:37:06,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813089803] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:06,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:06,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:37:06,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013787494] [2021-11-19 14:37:06,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:06,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:37:06,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:06,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:37:06,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:37:06,947 INFO L87 Difference]: Start difference. First operand 196 states and 347 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:07,384 INFO L93 Difference]: Finished difference Result 312 states and 546 transitions. [2021-11-19 14:37:07,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:37:07,384 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-19 14:37:07,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:07,385 INFO L225 Difference]: With dead ends: 312 [2021-11-19 14:37:07,385 INFO L226 Difference]: Without dead ends: 223 [2021-11-19 14:37:07,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:37:07,386 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 103 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:07,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 35 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:37:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-11-19 14:37:07,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 187. [2021-11-19 14:37:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 186 states have (on average 1.8118279569892473) internal successors, (337), 186 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:07,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 337 transitions. [2021-11-19 14:37:07,390 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 337 transitions. Word has length 31 [2021-11-19 14:37:07,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:07,390 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 337 transitions. [2021-11-19 14:37:07,391 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:07,391 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 337 transitions. [2021-11-19 14:37:07,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 14:37:07,391 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:07,392 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] [2021-11-19 14:37:07,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-19 14:37:07,392 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 14:37:07,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:07,393 INFO L85 PathProgramCache]: Analyzing trace with hash -2058801508, now seen corresponding path program 6 times [2021-11-19 14:37:07,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:07,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215904364] [2021-11-19 14:37:07,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:07,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:07,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:07,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:07,883 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:07,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215904364] [2021-11-19 14:37:07,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215904364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:07,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:07,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-19 14:37:07,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745586317] [2021-11-19 14:37:07,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:07,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-19 14:37:07,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:07,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-19 14:37:07,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-19 14:37:07,884 INFO L87 Difference]: Start difference. First operand 187 states and 337 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:08,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:08,494 INFO L93 Difference]: Finished difference Result 182 states and 328 transitions. [2021-11-19 14:37:08,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 14:37:08,495 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2021-11-19 14:37:08,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:08,495 INFO L225 Difference]: With dead ends: 182 [2021-11-19 14:37:08,495 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:37:08,495 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 8 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:37:08,496 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 98 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:08,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 0 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 14:37:08,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:37:08,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:37:08,497 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) [2021-11-19 14:37:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:37:08,497 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-11-19 14:37:08,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:08,497 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:37:08,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:37:08,498 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:37:08,500 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-19 14:37:08,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-19 14:37:08,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-19 14:37:08,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2021-11-19 14:37:08,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2021-11-19 14:37:08,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-19 14:37:08,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-19 14:37:08,501 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-19 14:37:08,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-11-19 14:37:08,504 INFO L732 BasicCegarLoop]: Path program histogram: [6, 6, 5, 4, 2, 1, 1, 1, 1, 1, 1] [2021-11-19 14:37:08,508 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 14:37:08,509 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:37:08,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:37:08 BasicIcfg [2021-11-19 14:37:08,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:37:08,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:37:08,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:37:08,518 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:37:08,518 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:39" (3/4) ... [2021-11-19 14:37:08,520 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:37:08,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-19 14:37:08,534 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 14:37:08,534 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 14:37:08,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 14:37:08,578 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:37:08,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:37:08,580 INFO L158 Benchmark]: Toolchain (without parser) took 30697.34ms. Allocated memory was 96.5MB in the beginning and 218.1MB in the end (delta: 121.6MB). Free memory was 63.4MB in the beginning and 145.6MB in the end (delta: -82.2MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-11-19 14:37:08,580 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:37:08,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.34ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 63.2MB in the beginning and 82.9MB in the end (delta: -19.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:37:08,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.93ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 80.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:37:08,584 INFO L158 Benchmark]: Boogie Preprocessor took 38.56ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 78.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:37:08,585 INFO L158 Benchmark]: RCFGBuilder took 580.43ms. Allocated memory is still 123.7MB. Free memory was 78.8MB in the beginning and 64.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 14:37:08,585 INFO L158 Benchmark]: TraceAbstraction took 29198.50ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 63.7MB in the beginning and 148.7MB in the end (delta: -85.0MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-11-19 14:37:08,591 INFO L158 Benchmark]: Witness Printer took 61.52ms. Allocated memory is still 218.1MB. Free memory was 148.7MB in the beginning and 145.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:37:08,593 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 96.5MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.34ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 63.2MB in the beginning and 82.9MB in the end (delta: -19.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.93ms. Allocated memory is still 123.7MB. Free memory was 82.9MB in the beginning and 80.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.56ms. Allocated memory is still 123.7MB. Free memory was 80.5MB in the beginning and 78.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.43ms. Allocated memory is still 123.7MB. Free memory was 78.8MB in the beginning and 64.2MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 29198.50ms. Allocated memory was 123.7MB in the beginning and 218.1MB in the end (delta: 94.4MB). Free memory was 63.7MB in the beginning and 148.7MB in the end (delta: -85.0MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Witness Printer took 61.52ms. Allocated memory is still 218.1MB. Free memory was 148.7MB in the beginning and 145.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 106 PlacesBefore, 48 PlacesAfterwards, 102 TransitionsBefore, 44 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 58 TotalNumberOfCompositions, 11677 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4112, positive: 3603, positive conditional: 0, positive unconditional: 3603, negative: 509, negative conditional: 0, negative unconditional: 509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1325, positive: 1241, positive conditional: 0, positive unconditional: 1241, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1325, positive: 1139, positive conditional: 0, positive unconditional: 1139, negative: 186, negative conditional: 0, negative unconditional: 186, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 186, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 646, positive: 334, positive conditional: 0, positive unconditional: 334, negative: 312, negative conditional: 0, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4112, positive: 2362, positive conditional: 0, positive unconditional: 2362, negative: 425, negative conditional: 0, negative unconditional: 425, unknown: 1325, unknown conditional: 0, unknown unconditional: 1325] , Statistics on independence cache: Total cache size (in pairs): 384, Positive cache size: 320, Positive conditional cache size: 0, Positive unconditional cache size: 320, Negative cache size: 64, Negative conditional cache size: 0, Negative unconditional cache size: 64 - 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: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: 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, 134 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 29.0s, OverallIterations: 29, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3486 SdHoareTripleChecker+Valid, 12.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3486 mSDsluCounter, 1479 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1509 mSDsCounter, 1693 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13724 IncrementalHoareTripleChecker+Invalid, 15417 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1693 mSolverCounterUnsat, 830 mSDtfsCounter, 13724 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 6 SyntacticMatches, 76 SemanticMatches, 396 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=832occurred in iteration=7, InterpolantAutomatonStates: 281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 29 MinimizatonAttempts, 4718 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 593 NumberOfCodeBlocks, 593 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 564 ConstructedInterpolants, 0 QuantifiedInterpolants, 16506 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-19 14:37:08,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e878f4bb-7231-4c5b-9dee-49f4d2c76a75/bin/utaipan-UbGMyvGFUs/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