./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e97ea8fdd79cc88ea5d66529f91fae4bb4475970931b09c5966dea7f1229156f --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:48:08,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:48:08,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:48:08,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:48:08,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:48:08,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:48:08,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:48:08,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:48:08,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:48:08,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:48:08,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:48:08,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:48:08,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:48:08,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:48:08,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:48:08,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:48:08,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:48:08,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:48:08,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:48:08,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:48:08,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:48:08,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:48:08,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:48:08,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:48:08,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:48:08,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:48:08,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:48:08,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:48:08,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:48:08,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:48:08,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:48:08,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:48:08,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:48:08,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:48:08,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:48:08,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:48:08,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:48:08,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:48:08,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:48:08,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:48:08,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:48:08,469 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-25 18:48:08,521 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:48:08,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:48:08,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:48:08,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:48:08,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:48:08,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:48:08,523 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:48:08,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:48:08,524 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:48:08,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:48:08,524 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:48:08,525 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:48:08,525 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:48:08,526 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:48:08,526 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:48:08,526 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:48:08,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:48:08,526 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:48:08,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:48:08,527 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 18:48:08,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 18:48:08,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:48:08,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 18:48:08,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:48:08,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:48:08,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:48:08,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:48:08,531 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-25 18:48:08,531 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 18:48:08,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:48:08,531 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:48:08,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:48:08,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:48:08,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:48:08,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:48:08,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:48:08,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:48:08,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:48:08,533 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:48:08,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:48:08,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:48:08,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:48:08,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:48:08,534 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_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e97ea8fdd79cc88ea5d66529f91fae4bb4475970931b09c5966dea7f1229156f [2021-11-25 18:48:08,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:48:08,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:48:08,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:48:08,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:48:08,860 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:48:08,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2021-11-25 18:48:08,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/data/9c3a9a916/0a238d4cd5624d65a598ca6216e432e2/FLAG56ed55388 [2021-11-25 18:48:09,463 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:48:09,464 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/sv-benchmarks/c/goblint-regression/04-mutex_46-escape_nr.i [2021-11-25 18:48:09,489 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/data/9c3a9a916/0a238d4cd5624d65a598ca6216e432e2/FLAG56ed55388 [2021-11-25 18:48:09,750 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/data/9c3a9a916/0a238d4cd5624d65a598ca6216e432e2 [2021-11-25 18:48:09,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:48:09,754 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:48:09,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:48:09,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:48:09,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:48:09,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:09" (1/1) ... [2021-11-25 18:48:09,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbdb7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:09, skipping insertion in model container [2021-11-25 18:48:09,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:48:09" (1/1) ... [2021-11-25 18:48:09,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:48:09,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:48:10,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:48:10,448 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:48:10,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:48:10,609 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:48:10,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10 WrapperNode [2021-11-25 18:48:10,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:48:10,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:48:10,611 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:48:10,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:48:10,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,682 INFO L137 Inliner]: procedures = 262, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 66 [2021-11-25 18:48:10,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:48:10,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:48:10,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:48:10,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:48:10,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,733 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:48:10,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:48:10,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:48:10,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:48:10,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (1/1) ... [2021-11-25 18:48:10,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:48:10,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:48:10,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:48:10,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:48:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:48:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:48:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:48:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:48:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 18:48:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:48:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-25 18:48:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-25 18:48:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:48:10,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:48:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:48:10,817 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 18:48:10,998 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:48:10,999 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:48:11,232 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:48:11,239 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:48:11,239 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:48:11,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:11 BoogieIcfgContainer [2021-11-25 18:48:11,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:48:11,243 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:48:11,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:48:11,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:48:11,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:48:09" (1/3) ... [2021-11-25 18:48:11,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ec467f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:11, skipping insertion in model container [2021-11-25 18:48:11,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:48:10" (2/3) ... [2021-11-25 18:48:11,252 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70ec467f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:48:11, skipping insertion in model container [2021-11-25 18:48:11,252 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:11" (3/3) ... [2021-11-25 18:48:11,255 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_46-escape_nr.i [2021-11-25 18:48:11,260 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-25 18:48:11,261 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:48:11,261 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-25 18:48:11,261 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-25 18:48:11,306 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,308 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,308 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,308 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,309 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,309 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,309 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,310 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,311 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,311 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,311 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,311 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,328 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,329 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,329 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,329 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,330 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,330 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,331 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,331 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,331 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,331 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,331 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,331 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,332 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,332 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,332 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,332 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,332 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,332 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,333 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,336 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,336 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,336 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,336 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,337 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,337 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,338 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,338 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,338 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,338 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,339 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,340 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,341 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,341 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,341 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,341 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,342 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,342 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,342 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,342 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,343 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,343 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,343 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,348 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,348 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,348 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,349 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,349 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,349 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,350 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-25 18:48:11,353 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-25 18:48:11,413 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:48:11,419 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:48:11,419 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-25 18:48:11,433 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-25 18:48:11,448 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 98 transitions, 204 flow [2021-11-25 18:48:11,450 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 98 transitions, 204 flow [2021-11-25 18:48:11,452 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 98 transitions, 204 flow [2021-11-25 18:48:11,503 INFO L129 PetriNetUnfolder]: 0/97 cut-off events. [2021-11-25 18:48:11,504 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-25 18:48:11,505 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 97 events. 0/97 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-25 18:48:11,509 INFO L116 LiptonReduction]: Number of co-enabled transitions 1612 [2021-11-25 18:48:14,257 INFO L131 LiptonReduction]: Checked pairs total: 10867 [2021-11-25 18:48:14,259 INFO L133 LiptonReduction]: Total number of compositions: 54 [2021-11-25 18:48:14,271 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-25 18:48:14,307 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) [2021-11-25 18:48:14,311 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) [2021-11-25 18:48:14,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:48:14,317 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:14,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:14,318 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)] === [2021-11-25 18:48:14,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:14,323 INFO L85 PathProgramCache]: Analyzing trace with hash 612393211, now seen corresponding path program 1 times [2021-11-25 18:48:14,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:14,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465934727] [2021-11-25 18:48:14,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:14,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:14,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:14,777 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:14,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465934727] [2021-11-25 18:48:14,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465934727] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:14,778 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:14,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:48:14,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481372389] [2021-11-25 18:48:14,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:14,785 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:48:14,785 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:14,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:48:14,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:14,816 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) [2021-11-25 18:48:15,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:15,181 INFO L93 Difference]: Finished difference Result 482 states and 915 transitions. [2021-11-25 18:48:15,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:48:15,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 18:48:15,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:15,199 INFO L225 Difference]: With dead ends: 482 [2021-11-25 18:48:15,199 INFO L226 Difference]: Without dead ends: 482 [2021-11-25 18:48:15,200 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:15,203 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 50 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:15,204 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 34 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:48:15,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2021-11-25 18:48:15,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 454. [2021-11-25 18:48:15,282 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) [2021-11-25 18:48:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 861 transitions. [2021-11-25 18:48:15,285 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 861 transitions. Word has length 9 [2021-11-25 18:48:15,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:15,286 INFO L470 AbstractCegarLoop]: Abstraction has 454 states and 861 transitions. [2021-11-25 18:48:15,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 861 transitions. [2021-11-25 18:48:15,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 18:48:15,286 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:15,287 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:15,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:48:15,287 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)] === [2021-11-25 18:48:15,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:15,288 INFO L85 PathProgramCache]: Analyzing trace with hash -918422842, now seen corresponding path program 1 times [2021-11-25 18:48:15,288 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:15,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839058211] [2021-11-25 18:48:15,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:15,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:15,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:15,418 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:15,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839058211] [2021-11-25 18:48:15,418 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839058211] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:15,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:15,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:48:15,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331816386] [2021-11-25 18:48:15,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:15,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:48:15,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:15,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:48:15,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:15,421 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) [2021-11-25 18:48:15,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:15,640 INFO L93 Difference]: Finished difference Result 487 states and 921 transitions. [2021-11-25 18:48:15,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:48:15,644 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-25 18:48:15,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:15,648 INFO L225 Difference]: With dead ends: 487 [2021-11-25 18:48:15,648 INFO L226 Difference]: Without dead ends: 487 [2021-11-25 18:48:15,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:15,650 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 32 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:15,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 37 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:15,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2021-11-25 18:48:15,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2021-11-25 18:48:15,677 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) [2021-11-25 18:48:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2021-11-25 18:48:15,679 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2021-11-25 18:48:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:15,680 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2021-11-25 18:48:15,680 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2021-11-25 18:48:15,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 18:48:15,682 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:15,682 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:15,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:48:15,683 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)] === [2021-11-25 18:48:15,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:15,684 INFO L85 PathProgramCache]: Analyzing trace with hash -780671481, now seen corresponding path program 1 times [2021-11-25 18:48:15,684 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:15,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582684853] [2021-11-25 18:48:15,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:15,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:15,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:15,802 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:15,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582684853] [2021-11-25 18:48:15,803 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582684853] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:15,803 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:15,803 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:48:15,803 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728142939] [2021-11-25 18:48:15,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:15,804 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:48:15,804 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:15,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:48:15,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:15,805 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) [2021-11-25 18:48:16,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:16,094 INFO L93 Difference]: Finished difference Result 576 states and 1095 transitions. [2021-11-25 18:48:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:48:16,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-25 18:48:16,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:16,099 INFO L225 Difference]: With dead ends: 576 [2021-11-25 18:48:16,099 INFO L226 Difference]: Without dead ends: 563 [2021-11-25 18:48:16,099 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:16,101 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 46 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:16,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 36 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-25 18:48:16,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2021-11-25 18:48:16,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2021-11-25 18:48:16,124 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) [2021-11-25 18:48:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1024 transitions. [2021-11-25 18:48:16,127 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1024 transitions. Word has length 15 [2021-11-25 18:48:16,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:16,128 INFO L470 AbstractCegarLoop]: Abstraction has 540 states and 1024 transitions. [2021-11-25 18:48:16,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1024 transitions. [2021-11-25 18:48:16,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-25 18:48:16,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:16,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:16,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:48:16,130 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)] === [2021-11-25 18:48:16,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:16,131 INFO L85 PathProgramCache]: Analyzing trace with hash 703266510, now seen corresponding path program 1 times [2021-11-25 18:48:16,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:16,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775993819] [2021-11-25 18:48:16,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:16,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:16,225 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:16,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775993819] [2021-11-25 18:48:16,226 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775993819] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:16,226 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:16,226 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:48:16,228 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853629851] [2021-11-25 18:48:16,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:16,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:48:16,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:16,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:48:16,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:16,231 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) [2021-11-25 18:48:16,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:16,492 INFO L93 Difference]: Finished difference Result 611 states and 1161 transitions. [2021-11-25 18:48:16,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:48:16,493 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-25 18:48:16,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:16,497 INFO L225 Difference]: With dead ends: 611 [2021-11-25 18:48:16,498 INFO L226 Difference]: Without dead ends: 611 [2021-11-25 18:48:16,498 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:16,499 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 34 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:16,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 38 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:16,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2021-11-25 18:48:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 591. [2021-11-25 18:48:16,519 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) [2021-11-25 18:48:16,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2021-11-25 18:48:16,523 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2021-11-25 18:48:16,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:16,523 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2021-11-25 18:48:16,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:16,523 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2021-11-25 18:48:16,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 18:48:16,525 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:16,526 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:16,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:48:16,526 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)] === [2021-11-25 18:48:16,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:16,527 INFO L85 PathProgramCache]: Analyzing trace with hash 114289130, now seen corresponding path program 1 times [2021-11-25 18:48:16,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:16,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528941654] [2021-11-25 18:48:16,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:16,527 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:16,572 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:16,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528941654] [2021-11-25 18:48:16,572 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528941654] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:16,572 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:16,572 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:48:16,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999195973] [2021-11-25 18:48:16,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:16,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:48:16,573 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:16,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:48:16,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:48:16,574 INFO L87 Difference]: Start difference. First operand 591 states and 1122 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:16,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:16,593 INFO L93 Difference]: Finished difference Result 178 states and 286 transitions. [2021-11-25 18:48:16,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:48:16,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-25 18:48:16,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:16,595 INFO L225 Difference]: With dead ends: 178 [2021-11-25 18:48:16,595 INFO L226 Difference]: Without dead ends: 178 [2021-11-25 18:48:16,598 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:48:16,599 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 30 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:16,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 38 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 18:48:16,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-11-25 18:48:16,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-11-25 18:48:16,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 175 states have (on average 1.6342857142857143) internal successors, (286), 177 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 286 transitions. [2021-11-25 18:48:16,610 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 286 transitions. Word has length 18 [2021-11-25 18:48:16,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:16,610 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 286 transitions. [2021-11-25 18:48:16,610 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:16,610 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2021-11-25 18:48:16,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 18:48:16,614 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:16,614 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] [2021-11-25 18:48:16,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:48:16,615 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-25 18:48:16,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash -341452540, now seen corresponding path program 1 times [2021-11-25 18:48:16,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:16,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033892000] [2021-11-25 18:48:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:16,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:16,729 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:16,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033892000] [2021-11-25 18:48:16,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033892000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:16,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:16,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:48:16,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372744504] [2021-11-25 18:48:16,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:16,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:48:16,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:16,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:48:16,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:16,731 INFO L87 Difference]: Start difference. First operand 178 states and 286 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) [2021-11-25 18:48:16,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:16,920 INFO L93 Difference]: Finished difference Result 200 states and 319 transitions. [2021-11-25 18:48:16,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:48:16,921 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 [2021-11-25 18:48:16,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:16,922 INFO L225 Difference]: With dead ends: 200 [2021-11-25 18:48:16,922 INFO L226 Difference]: Without dead ends: 161 [2021-11-25 18:48:16,923 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:48:16,924 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 28 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:16,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 32 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:16,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-25 18:48:16,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2021-11-25 18:48:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 154 states have (on average 1.7272727272727273) internal successors, (266), 156 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 266 transitions. [2021-11-25 18:48:16,930 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 266 transitions. Word has length 22 [2021-11-25 18:48:16,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:16,931 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 266 transitions. [2021-11-25 18:48:16,931 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) [2021-11-25 18:48:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2021-11-25 18:48:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:48:16,932 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:16,932 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] [2021-11-25 18:48:16,932 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:48:16,933 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-25 18:48:16,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:16,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1597837723, now seen corresponding path program 1 times [2021-11-25 18:48:16,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:16,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192753006] [2021-11-25 18:48:16,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:16,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:17,187 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:17,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192753006] [2021-11-25 18:48:17,188 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192753006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:17,188 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:17,188 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:48:17,188 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886996614] [2021-11-25 18:48:17,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:17,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 18:48:17,189 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:17,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 18:48:17,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:48:17,190 INFO L87 Difference]: Start difference. First operand 157 states and 266 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) [2021-11-25 18:48:17,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:17,508 INFO L93 Difference]: Finished difference Result 228 states and 390 transitions. [2021-11-25 18:48:17,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:48:17,508 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 [2021-11-25 18:48:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:17,510 INFO L225 Difference]: With dead ends: 228 [2021-11-25 18:48:17,510 INFO L226 Difference]: Without dead ends: 208 [2021-11-25 18:48:17,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2021-11-25 18:48:17,511 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 154 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:17,512 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 0 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:17,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-11-25 18:48:17,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 189. [2021-11-25 18:48:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 186 states have (on average 1.7150537634408602) internal successors, (319), 188 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:17,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 319 transitions. [2021-11-25 18:48:17,519 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 319 transitions. Word has length 31 [2021-11-25 18:48:17,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:17,520 INFO L470 AbstractCegarLoop]: Abstraction has 189 states and 319 transitions. [2021-11-25 18:48:17,520 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) [2021-11-25 18:48:17,520 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 319 transitions. [2021-11-25 18:48:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:48:17,521 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:17,521 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] [2021-11-25 18:48:17,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:48:17,522 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-25 18:48:17,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:17,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1400423579, now seen corresponding path program 1 times [2021-11-25 18:48:17,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:17,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051527867] [2021-11-25 18:48:17,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:17,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:17,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:17,759 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:17,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051527867] [2021-11-25 18:48:17,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051527867] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:17,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:17,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:48:17,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515896090] [2021-11-25 18:48:17,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:17,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 18:48:17,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:17,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 18:48:17,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:48:17,762 INFO L87 Difference]: Start difference. First operand 189 states and 319 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) [2021-11-25 18:48:17,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:17,993 INFO L93 Difference]: Finished difference Result 180 states and 302 transitions. [2021-11-25 18:48:17,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:48:17,995 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 [2021-11-25 18:48:17,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:17,996 INFO L225 Difference]: With dead ends: 180 [2021-11-25 18:48:17,996 INFO L226 Difference]: Without dead ends: 100 [2021-11-25 18:48:17,997 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=159, Unknown=0, NotChecked=0, Total=240 [2021-11-25 18:48:17,997 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 114 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:17,998 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [114 Valid, 0 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:17,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-11-25 18:48:18,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 84. [2021-11-25 18:48:18,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 83 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:18,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 130 transitions. [2021-11-25 18:48:18,002 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 130 transitions. Word has length 31 [2021-11-25 18:48:18,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:18,002 INFO L470 AbstractCegarLoop]: Abstraction has 84 states and 130 transitions. [2021-11-25 18:48:18,002 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) [2021-11-25 18:48:18,002 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2021-11-25 18:48:18,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:48:18,003 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:18,003 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] [2021-11-25 18:48:18,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:48:18,006 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-25 18:48:18,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:18,007 INFO L85 PathProgramCache]: Analyzing trace with hash -116285881, now seen corresponding path program 2 times [2021-11-25 18:48:18,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:18,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601603621] [2021-11-25 18:48:18,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:18,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:18,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:18,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:18,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601603621] [2021-11-25 18:48:18,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601603621] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:18,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:18,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:48:18,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233009013] [2021-11-25 18:48:18,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:18,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 18:48:18,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:18,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 18:48:18,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:48:18,310 INFO L87 Difference]: Start difference. First operand 84 states and 130 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) [2021-11-25 18:48:18,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:18,605 INFO L93 Difference]: Finished difference Result 126 states and 197 transitions. [2021-11-25 18:48:18,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:48:18,606 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 [2021-11-25 18:48:18,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:18,607 INFO L225 Difference]: With dead ends: 126 [2021-11-25 18:48:18,607 INFO L226 Difference]: Without dead ends: 70 [2021-11-25 18:48:18,607 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2021-11-25 18:48:18,608 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 85 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:18,608 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 0 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:18,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-11-25 18:48:18,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-11-25 18:48:18,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.4782608695652173) internal successors, (102), 69 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 102 transitions. [2021-11-25 18:48:18,612 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 102 transitions. Word has length 31 [2021-11-25 18:48:18,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:18,612 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 102 transitions. [2021-11-25 18:48:18,612 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) [2021-11-25 18:48:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2021-11-25 18:48:18,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:48:18,613 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:18,613 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] [2021-11-25 18:48:18,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:48:18,614 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-25 18:48:18,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:18,614 INFO L85 PathProgramCache]: Analyzing trace with hash 944492209, now seen corresponding path program 3 times [2021-11-25 18:48:18,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:18,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686401501] [2021-11-25 18:48:18,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:18,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:18,839 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:18,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686401501] [2021-11-25 18:48:18,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686401501] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:18,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:18,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:48:18,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379960249] [2021-11-25 18:48:18,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:18,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 18:48:18,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:18,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 18:48:18,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:48:18,841 INFO L87 Difference]: Start difference. First operand 70 states and 102 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) [2021-11-25 18:48:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:19,092 INFO L93 Difference]: Finished difference Result 98 states and 142 transitions. [2021-11-25 18:48:19,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:48:19,093 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 [2021-11-25 18:48:19,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:19,093 INFO L225 Difference]: With dead ends: 98 [2021-11-25 18:48:19,094 INFO L226 Difference]: Without dead ends: 56 [2021-11-25 18:48:19,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2021-11-25 18:48:19,095 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 68 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:19,095 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [68 Valid, 0 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-11-25 18:48:19,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-11-25 18:48:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 55 states have (on average 1.3454545454545455) internal successors, (74), 55 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2021-11-25 18:48:19,098 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 31 [2021-11-25 18:48:19,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:19,098 INFO L470 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2021-11-25 18:48:19,098 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) [2021-11-25 18:48:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2021-11-25 18:48:19,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 18:48:19,099 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:48:19,099 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] [2021-11-25 18:48:19,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:48:19,100 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-25 18:48:19,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:48:19,100 INFO L85 PathProgramCache]: Analyzing trace with hash 406327267, now seen corresponding path program 4 times [2021-11-25 18:48:19,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:48:19,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746974543] [2021-11-25 18:48:19,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:48:19,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:48:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:48:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 18:48:19,307 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:48:19,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746974543] [2021-11-25 18:48:19,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746974543] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:48:19,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:48:19,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-25 18:48:19,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818572810] [2021-11-25 18:48:19,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:48:19,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 18:48:19,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:48:19,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 18:48:19,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:48:19,309 INFO L87 Difference]: Start difference. First operand 56 states and 74 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) [2021-11-25 18:48:19,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:48:19,595 INFO L93 Difference]: Finished difference Result 50 states and 63 transitions. [2021-11-25 18:48:19,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-25 18:48:19,595 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 [2021-11-25 18:48:19,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:48:19,596 INFO L225 Difference]: With dead ends: 50 [2021-11-25 18:48:19,596 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 18:48:19,596 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2021-11-25 18:48:19,597 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 62 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:48:19,597 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 0 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 18:48:19,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 18:48:19,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 18:48:19,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 18:48:19,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 18:48:19,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-11-25 18:48:19,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:48:19,599 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 18:48:19,599 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) [2021-11-25 18:48:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 18:48:19,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 18:48:19,602 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-25 18:48:19,602 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-25 18:48:19,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-25 18:48:19,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2021-11-25 18:48:19,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2021-11-25 18:48:19,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-25 18:48:19,603 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-25 18:48:19,604 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-25 18:48:19,604 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:48:19,609 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:48:19,616 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-25 18:48:19,616 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 18:48:19,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 06:48:19 BasicIcfg [2021-11-25 18:48:19,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 18:48:19,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 18:48:19,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 18:48:19,621 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 18:48:19,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:48:11" (3/4) ... [2021-11-25 18:48:19,624 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 18:48:19,630 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-25 18:48:19,637 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-25 18:48:19,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-25 18:48:19,638 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 18:48:19,678 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 18:48:19,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 18:48:19,679 INFO L158 Benchmark]: Toolchain (without parser) took 9924.85ms. Allocated memory was 88.1MB in the beginning and 161.5MB in the end (delta: 73.4MB). Free memory was 48.9MB in the beginning and 118.3MB in the end (delta: -69.3MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-25 18:48:19,680 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 79.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:48:19,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.77ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 48.8MB in the beginning and 67.8MB in the end (delta: -19.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-25 18:48:19,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.29ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 65.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:48:19,681 INFO L158 Benchmark]: Boogie Preprocessor took 50.42ms. Allocated memory is still 111.1MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:48:19,682 INFO L158 Benchmark]: RCFGBuilder took 507.22ms. Allocated memory is still 111.1MB. Free memory was 63.1MB in the beginning and 49.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 18:48:19,682 INFO L158 Benchmark]: TraceAbstraction took 8376.83ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 48.9MB in the beginning and 121.4MB in the end (delta: -72.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 18:48:19,682 INFO L158 Benchmark]: Witness Printer took 58.06ms. Allocated memory is still 161.5MB. Free memory was 121.4MB in the beginning and 118.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 18:48:19,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 66.9MB in the beginning and 66.8MB in the end (delta: 79.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 853.77ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 48.8MB in the beginning and 67.8MB in the end (delta: -19.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.29ms. Allocated memory is still 111.1MB. Free memory was 67.8MB in the beginning and 65.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.42ms. Allocated memory is still 111.1MB. Free memory was 65.2MB in the beginning and 63.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.22ms. Allocated memory is still 111.1MB. Free memory was 63.1MB in the beginning and 49.4MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8376.83ms. Allocated memory was 111.1MB in the beginning and 161.5MB in the end (delta: 50.3MB). Free memory was 48.9MB in the beginning and 121.4MB in the end (delta: -72.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 58.06ms. Allocated memory is still 161.5MB. Free memory was 121.4MB in the beginning and 118.3MB 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: 2.8s, 102 PlacesBefore, 48 PlacesAfterwards, 98 TransitionsBefore, 44 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 54 TotalNumberOfCompositions, 10867 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3324, positive: 2817, positive conditional: 0, positive unconditional: 2817, negative: 507, negative conditional: 0, negative unconditional: 507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 964, positive: 884, positive conditional: 0, positive unconditional: 884, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 964, positive: 788, positive conditional: 0, positive unconditional: 788, negative: 176, negative conditional: 0, negative unconditional: 176, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 176, positive: 96, positive conditional: 0, positive unconditional: 96, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 453, positive: 252, positive conditional: 0, positive unconditional: 252, negative: 200, negative conditional: 0, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3324, positive: 1933, positive conditional: 0, positive unconditional: 1933, negative: 427, negative conditional: 0, negative unconditional: 427, unknown: 964, unknown conditional: 0, unknown unconditional: 964] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 307, Positive conditional cache size: 0, Positive unconditional cache size: 307, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63 - 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: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: 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, 127 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 703 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 703 mSDsluCounter, 215 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 387 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2381 IncrementalHoareTripleChecker+Invalid, 2768 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 387 mSolverCounterUnsat, 175 mSDtfsCounter, 2381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 124 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 2721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-25 18:48:19,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec131c96-523f-4402-b196-c8f0d928ed3c/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE