./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 13:34:28,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 13:34:28,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 13:34:28,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 13:34:28,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 13:34:28,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 13:34:28,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 13:34:28,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 13:34:28,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 13:34:28,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 13:34:28,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 13:34:28,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 13:34:28,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 13:34:28,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 13:34:28,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 13:34:28,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 13:34:28,460 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 13:34:28,461 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 13:34:28,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 13:34:28,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 13:34:28,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 13:34:28,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 13:34:28,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 13:34:28,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 13:34:28,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 13:34:28,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 13:34:28,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 13:34:28,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 13:34:28,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 13:34:28,496 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 13:34:28,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 13:34:28,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 13:34:28,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 13:34:28,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 13:34:28,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 13:34:28,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 13:34:28,504 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 13:34:28,504 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 13:34:28,504 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 13:34:28,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 13:34:28,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 13:34:28,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 13:34:28,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 13:34:28,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 13:34:28,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 13:34:28,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 13:34:28,558 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 13:34:28,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 13:34:28,565 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 13:34:28,565 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 13:34:28,565 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 13:34:28,565 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 13:34:28,567 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 13:34:28,567 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 13:34:28,567 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 13:34:28,567 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 13:34:28,568 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 13:34:28,568 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 13:34:28,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 13:34:28,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 13:34:28,569 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 13:34:28,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 13:34:28,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 13:34:28,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 13:34:28,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 13:34:28,570 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 13:34:28,570 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 13:34:28,570 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 13:34:28,571 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 13:34:28,571 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 13:34:28,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 13:34:28,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 13:34:28,571 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 13:34:28,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 13:34:28,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 13:34:28,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:34:28,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 13:34:28,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 13:34:28,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 13:34:28,573 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 13:34:28,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 13:34:28,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 13:34:28,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 13:34:28,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 13:34:28,574 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_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b5f4c57d88bf6e97d091c1ec0f5525d1ae2da6c31cffbcaaf02c59d6e6570e5 [2021-11-19 13:34:28,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 13:34:28,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 13:34:28,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 13:34:28,889 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 13:34:28,889 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 13:34:28,891 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2021-11-19 13:34:28,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/data/301bdc73d/b07149d8fabe4481a5a6cb35195a66c8/FLAGf0208d0f6 [2021-11-19 13:34:29,684 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 13:34:29,685 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/sv-benchmarks/c/goblint-regression/04-mutex_12-ptr_nr.i [2021-11-19 13:34:29,700 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/data/301bdc73d/b07149d8fabe4481a5a6cb35195a66c8/FLAGf0208d0f6 [2021-11-19 13:34:29,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/data/301bdc73d/b07149d8fabe4481a5a6cb35195a66c8 [2021-11-19 13:34:29,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 13:34:29,941 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 13:34:29,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:29,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 13:34:29,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 13:34:29,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:29" (1/1) ... [2021-11-19 13:34:29,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ef41d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:29, skipping insertion in model container [2021-11-19 13:34:29,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:34:29" (1/1) ... [2021-11-19 13:34:29,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 13:34:30,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 13:34:30,512 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:30,531 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 13:34:30,597 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 13:34:30,687 INFO L208 MainTranslator]: Completed translation [2021-11-19 13:34:30,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30 WrapperNode [2021-11-19 13:34:30,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 13:34:30,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 13:34:30,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 13:34:30,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 13:34:30,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,778 INFO L137 Inliner]: procedures = 261, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-19 13:34:30,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 13:34:30,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 13:34:30,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 13:34:30,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 13:34:30,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,846 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 13:34:30,847 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 13:34:30,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 13:34:30,847 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 13:34:30,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (1/1) ... [2021-11-19 13:34:30,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 13:34:30,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 13:34:30,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 13:34:30,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 13:34:30,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 13:34:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 13:34:30,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 13:34:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 13:34:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 13:34:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-19 13:34:30,941 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-19 13:34:30,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 13:34:30,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 13:34:30,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 13:34:30,944 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 13:34:31,127 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 13:34:31,129 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 13:34:31,401 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 13:34:31,409 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 13:34:31,412 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 13:34:31,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:34:31 BoogieIcfgContainer [2021-11-19 13:34:31,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 13:34:31,417 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 13:34:31,417 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 13:34:31,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 13:34:31,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:34:29" (1/3) ... [2021-11-19 13:34:31,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc87fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:34:31, skipping insertion in model container [2021-11-19 13:34:31,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:34:30" (2/3) ... [2021-11-19 13:34:31,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc87fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:34:31, skipping insertion in model container [2021-11-19 13:34:31,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:34:31" (3/3) ... [2021-11-19 13:34:31,428 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_12-ptr_nr.i [2021-11-19 13:34:31,434 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 13:34:31,434 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 13:34:31,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-19 13:34:31,434 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 13:34:31,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,488 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,489 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,491 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,491 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,491 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,491 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,492 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,493 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,494 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,495 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,506 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,507 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,507 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,507 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,507 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,508 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,508 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,508 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,508 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,509 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,509 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,509 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,509 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,509 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,510 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,510 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,510 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,510 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,511 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,511 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,511 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,511 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,511 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,512 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,512 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,513 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,513 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,513 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,513 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,513 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,514 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,514 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,515 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,515 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,516 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,519 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,520 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,520 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,520 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,521 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,521 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 13:34:31,525 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-11-19 13:34:31,574 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 13:34:31,582 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 13:34:31,582 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-19 13:34:31,596 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 13:34:31,611 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 92 transitions, 192 flow [2021-11-19 13:34:31,614 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 92 transitions, 192 flow [2021-11-19 13:34:31,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 92 transitions, 192 flow [2021-11-19 13:34:31,662 INFO L129 PetriNetUnfolder]: 0/91 cut-off events. [2021-11-19 13:34:31,662 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-11-19 13:34:31,664 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 0/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-11-19 13:34:31,667 INFO L116 LiptonReduction]: Number of co-enabled transitions 1392 [2021-11-19 13:34:34,575 INFO L131 LiptonReduction]: Checked pairs total: 10767 [2021-11-19 13:34:34,575 INFO L133 LiptonReduction]: Total number of compositions: 48 [2021-11-19 13:34:34,584 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2021-11-19 13:34:34,618 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:34,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:34,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:34:34,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:34,630 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:34,630 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:34:34,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:34,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1270360427, now seen corresponding path program 1 times [2021-11-19 13:34:34,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:34,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868005122] [2021-11-19 13:34:34,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:34,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:34,948 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:34,949 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868005122] [2021-11-19 13:34:34,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868005122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:34,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:34,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:34:34,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548502374] [2021-11-19 13:34:34,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:34,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:34:34,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:34,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:34:34,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:34,993 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:35,306 INFO L93 Difference]: Finished difference Result 440 states and 831 transitions. [2021-11-19 13:34:35,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:35,309 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 13:34:35,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:35,323 INFO L225 Difference]: With dead ends: 440 [2021-11-19 13:34:35,324 INFO L226 Difference]: Without dead ends: 440 [2021-11-19 13:34:35,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:35,329 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 38 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:35,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [38 Valid, 45 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:34:35,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2021-11-19 13:34:35,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 426. [2021-11-19 13:34:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 416 states have (on average 1.9350961538461537) internal successors, (805), 425 states have internal predecessors, (805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 805 transitions. [2021-11-19 13:34:35,409 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 805 transitions. Word has length 9 [2021-11-19 13:34:35,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:35,409 INFO L470 AbstractCegarLoop]: Abstraction has 426 states and 805 transitions. [2021-11-19 13:34:35,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:35,410 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2021-11-19 13:34:35,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 13:34:35,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:35,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:35,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 13:34:35,412 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:34:35,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:35,413 INFO L85 PathProgramCache]: Analyzing trace with hash -2050371478, now seen corresponding path program 1 times [2021-11-19 13:34:35,414 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:35,414 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184208277] [2021-11-19 13:34:35,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:35,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:35,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:35,619 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:35,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184208277] [2021-11-19 13:34:35,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184208277] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:35,620 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:35,620 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:34:35,621 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298851581] [2021-11-19 13:34:35,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:35,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:34:35,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:35,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:34:35,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:35,623 INFO L87 Difference]: Start difference. First operand 426 states and 805 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:36,010 INFO L93 Difference]: Finished difference Result 501 states and 949 transitions. [2021-11-19 13:34:36,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:36,012 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 13:34:36,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:36,016 INFO L225 Difference]: With dead ends: 501 [2021-11-19 13:34:36,016 INFO L226 Difference]: Without dead ends: 501 [2021-11-19 13:34:36,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:36,018 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 44 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:36,019 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 59 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:34:36,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2021-11-19 13:34:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 473. [2021-11-19 13:34:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2021-11-19 13:34:36,080 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2021-11-19 13:34:36,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:36,081 INFO L470 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2021-11-19 13:34:36,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2021-11-19 13:34:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:34:36,095 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:36,095 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:36,095 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 13:34:36,097 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:34:36,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash -648071518, now seen corresponding path program 1 times [2021-11-19 13:34:36,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:36,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325756288] [2021-11-19 13:34:36,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:36,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:36,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:36,261 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:36,262 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325756288] [2021-11-19 13:34:36,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325756288] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:36,262 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:36,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:34:36,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744978507] [2021-11-19 13:34:36,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:36,263 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:34:36,263 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:36,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:34:36,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:36,264 INFO L87 Difference]: Start difference. First operand 473 states and 895 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:36,471 INFO L93 Difference]: Finished difference Result 542 states and 1028 transitions. [2021-11-19 13:34:36,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:36,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-19 13:34:36,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:36,477 INFO L225 Difference]: With dead ends: 542 [2021-11-19 13:34:36,477 INFO L226 Difference]: Without dead ends: 542 [2021-11-19 13:34:36,477 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:36,479 INFO L933 BasicCegarLoop]: 36 mSDtfsCounter, 35 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:36,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [35 Valid, 47 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:34:36,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2021-11-19 13:34:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 525. [2021-11-19 13:34:36,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 515 states have (on average 1.9320388349514563) internal successors, (995), 524 states have internal predecessors, (995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 995 transitions. [2021-11-19 13:34:36,504 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 995 transitions. Word has length 15 [2021-11-19 13:34:36,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:36,505 INFO L470 AbstractCegarLoop]: Abstraction has 525 states and 995 transitions. [2021-11-19 13:34:36,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,505 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 995 transitions. [2021-11-19 13:34:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 13:34:36,507 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:36,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:36,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 13:34:36,507 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:34:36,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:36,508 INFO L85 PathProgramCache]: Analyzing trace with hash -790942806, now seen corresponding path program 1 times [2021-11-19 13:34:36,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:36,509 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57991987] [2021-11-19 13:34:36,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:36,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:36,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:36,601 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:36,601 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57991987] [2021-11-19 13:34:36,602 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57991987] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:36,602 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:36,602 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:34:36,602 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323025830] [2021-11-19 13:34:36,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:36,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:34:36,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:36,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:34:36,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:36,604 INFO L87 Difference]: Start difference. First operand 525 states and 995 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:36,836 INFO L93 Difference]: Finished difference Result 604 states and 1148 transitions. [2021-11-19 13:34:36,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:36,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2021-11-19 13:34:36,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:36,842 INFO L225 Difference]: With dead ends: 604 [2021-11-19 13:34:36,842 INFO L226 Difference]: Without dead ends: 591 [2021-11-19 13:34:36,842 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:36,844 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 44 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:36,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 54 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:34:36,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2021-11-19 13:34:36,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2021-11-19 13:34:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2021-11-19 13:34:36,883 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2021-11-19 13:34:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:36,885 INFO L470 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2021-11-19 13:34:36,886 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2021-11-19 13:34:36,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-19 13:34:36,895 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:36,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:36,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 13:34:36,896 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:34:36,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:36,902 INFO L85 PathProgramCache]: Analyzing trace with hash -428056524, now seen corresponding path program 1 times [2021-11-19 13:34:36,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:36,902 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515065970] [2021-11-19 13:34:36,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:36,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:36,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:36,959 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:36,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515065970] [2021-11-19 13:34:36,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515065970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:36,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:36,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 13:34:36,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087654606] [2021-11-19 13:34:36,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:36,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 13:34:36,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:36,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 13:34:36,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 13:34:36,962 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) [2021-11-19 13:34:36,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:36,976 INFO L93 Difference]: Finished difference Result 178 states and 286 transitions. [2021-11-19 13:34:36,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 13:34:36,977 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 [2021-11-19 13:34:36,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:36,978 INFO L225 Difference]: With dead ends: 178 [2021-11-19 13:34:36,979 INFO L226 Difference]: Without dead ends: 178 [2021-11-19 13:34:36,979 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 [2021-11-19 13:34:36,980 INFO L933 BasicCegarLoop]: 34 mSDtfsCounter, 29 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:36,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 40 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 13:34:36,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2021-11-19 13:34:36,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2021-11-19 13:34:36,987 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) [2021-11-19 13:34:36,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 286 transitions. [2021-11-19 13:34:36,989 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 286 transitions. Word has length 18 [2021-11-19 13:34:36,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:36,989 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 286 transitions. [2021-11-19 13:34:36,989 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) [2021-11-19 13:34:36,990 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 286 transitions. [2021-11-19 13:34:36,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 13:34:36,990 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:36,990 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:36,991 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 13:34:36,991 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)] === [2021-11-19 13:34:36,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:36,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1024337066, now seen corresponding path program 1 times [2021-11-19 13:34:36,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:36,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005267796] [2021-11-19 13:34:36,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:36,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:37,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:37,090 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:37,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005267796] [2021-11-19 13:34:37,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005267796] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:37,093 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:37,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 13:34:37,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765442673] [2021-11-19 13:34:37,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:37,095 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-19 13:34:37,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:37,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-19 13:34:37,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:37,097 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) [2021-11-19 13:34:37,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:37,313 INFO L93 Difference]: Finished difference Result 200 states and 319 transitions. [2021-11-19 13:34:37,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-19 13:34:37,314 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-19 13:34:37,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:37,315 INFO L225 Difference]: With dead ends: 200 [2021-11-19 13:34:37,315 INFO L226 Difference]: Without dead ends: 161 [2021-11-19 13:34:37,316 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-19 13:34:37,317 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 28 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:37,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 49 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:34:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2021-11-19 13:34:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 157. [2021-11-19 13:34:37,323 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) [2021-11-19 13:34:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 266 transitions. [2021-11-19 13:34:37,324 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 266 transitions. Word has length 22 [2021-11-19 13:34:37,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:37,324 INFO L470 AbstractCegarLoop]: Abstraction has 157 states and 266 transitions. [2021-11-19 13:34:37,325 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 266 transitions. [2021-11-19 13:34:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 13:34:37,326 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:37,326 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:37,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 13:34:37,327 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)] === [2021-11-19 13:34:37,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:37,327 INFO L85 PathProgramCache]: Analyzing trace with hash -643092196, now seen corresponding path program 1 times [2021-11-19 13:34:37,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:37,328 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329535693] [2021-11-19 13:34:37,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:37,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:37,704 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:37,705 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329535693] [2021-11-19 13:34:37,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329535693] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:37,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:37,705 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 13:34:37,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237205710] [2021-11-19 13:34:37,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:37,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:34:37,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:37,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:34:37,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:34:37,706 INFO L87 Difference]: Start difference. First operand 157 states and 266 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:38,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:38,117 INFO L93 Difference]: Finished difference Result 262 states and 431 transitions. [2021-11-19 13:34:38,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:34:38,118 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-19 13:34:38,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:38,119 INFO L225 Difference]: With dead ends: 262 [2021-11-19 13:34:38,120 INFO L226 Difference]: Without dead ends: 244 [2021-11-19 13:34:38,120 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2021-11-19 13:34:38,121 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 69 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:38,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 21 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 13:34:38,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-11-19 13:34:38,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 187. [2021-11-19 13:34:38,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 184 states have (on average 1.7173913043478262) internal successors, (316), 186 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:38,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 316 transitions. [2021-11-19 13:34:38,129 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 316 transitions. Word has length 31 [2021-11-19 13:34:38,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:38,129 INFO L470 AbstractCegarLoop]: Abstraction has 187 states and 316 transitions. [2021-11-19 13:34:38,129 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 316 transitions. [2021-11-19 13:34:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 13:34:38,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:38,130 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:38,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-19 13:34:38,131 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:34:38,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:38,131 INFO L85 PathProgramCache]: Analyzing trace with hash -2101399952, now seen corresponding path program 2 times [2021-11-19 13:34:38,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:38,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493670861] [2021-11-19 13:34:38,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:38,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:38,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:38,518 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:38,518 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493670861] [2021-11-19 13:34:38,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493670861] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:38,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:38,519 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 13:34:38,519 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160341738] [2021-11-19 13:34:38,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:38,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:34:38,520 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:38,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:34:38,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:34:38,520 INFO L87 Difference]: Start difference. First operand 187 states and 316 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:38,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:38,973 INFO L93 Difference]: Finished difference Result 209 states and 338 transitions. [2021-11-19 13:34:38,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 13:34:38,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-19 13:34:38,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:38,976 INFO L225 Difference]: With dead ends: 209 [2021-11-19 13:34:38,976 INFO L226 Difference]: Without dead ends: 194 [2021-11-19 13:34:38,976 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-19 13:34:38,977 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 47 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 426 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:38,977 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 41 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 426 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:34:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-11-19 13:34:38,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 186. [2021-11-19 13:34:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.715846994535519) internal successors, (314), 185 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 314 transitions. [2021-11-19 13:34:38,990 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 314 transitions. Word has length 31 [2021-11-19 13:34:38,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:38,993 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 314 transitions. [2021-11-19 13:34:38,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:38,993 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2021-11-19 13:34:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 13:34:38,996 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:38,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:38,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-19 13:34:38,997 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)] === [2021-11-19 13:34:38,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:38,997 INFO L85 PathProgramCache]: Analyzing trace with hash 737975672, now seen corresponding path program 3 times [2021-11-19 13:34:38,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:38,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657522164] [2021-11-19 13:34:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:38,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:39,338 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:39,338 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657522164] [2021-11-19 13:34:39,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657522164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:39,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:39,338 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 13:34:39,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002129703] [2021-11-19 13:34:39,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:39,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:34:39,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:39,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:34:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:34:39,340 INFO L87 Difference]: Start difference. First operand 186 states and 314 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:39,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:39,821 INFO L93 Difference]: Finished difference Result 232 states and 377 transitions. [2021-11-19 13:34:39,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:34:39,822 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-19 13:34:39,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:39,823 INFO L225 Difference]: With dead ends: 232 [2021-11-19 13:34:39,823 INFO L226 Difference]: Without dead ends: 216 [2021-11-19 13:34:39,824 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-11-19 13:34:39,824 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 56 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:39,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 35 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-19 13:34:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2021-11-19 13:34:39,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 186. [2021-11-19 13:34:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 183 states have (on average 1.715846994535519) internal successors, (314), 185 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 314 transitions. [2021-11-19 13:34:39,832 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 314 transitions. Word has length 31 [2021-11-19 13:34:39,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:39,832 INFO L470 AbstractCegarLoop]: Abstraction has 186 states and 314 transitions. [2021-11-19 13:34:39,832 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 314 transitions. [2021-11-19 13:34:39,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 13:34:39,833 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:39,833 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:39,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-19 13:34:39,834 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)] === [2021-11-19 13:34:39,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:39,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1351494596, now seen corresponding path program 4 times [2021-11-19 13:34:39,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:39,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997842057] [2021-11-19 13:34:39,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:39,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:40,111 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:40,111 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997842057] [2021-11-19 13:34:40,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997842057] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:40,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:40,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 13:34:40,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811263070] [2021-11-19 13:34:40,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:40,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:34:40,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:40,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:34:40,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:34:40,113 INFO L87 Difference]: Start difference. First operand 186 states and 314 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:40,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:40,571 INFO L93 Difference]: Finished difference Result 270 states and 451 transitions. [2021-11-19 13:34:40,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-19 13:34:40,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-19 13:34:40,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:40,573 INFO L225 Difference]: With dead ends: 270 [2021-11-19 13:34:40,573 INFO L226 Difference]: Without dead ends: 250 [2021-11-19 13:34:40,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:34:40,575 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 57 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:40,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 15 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-19 13:34:40,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-11-19 13:34:40,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 201. [2021-11-19 13:34:40,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 198 states have (on average 1.7323232323232323) internal successors, (343), 200 states have internal predecessors, (343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 343 transitions. [2021-11-19 13:34:40,584 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 343 transitions. Word has length 31 [2021-11-19 13:34:40,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:40,584 INFO L470 AbstractCegarLoop]: Abstraction has 201 states and 343 transitions. [2021-11-19 13:34:40,585 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 343 transitions. [2021-11-19 13:34:40,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 13:34:40,586 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:40,586 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:40,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-19 13:34:40,586 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)] === [2021-11-19 13:34:40,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:40,587 INFO L85 PathProgramCache]: Analyzing trace with hash -455753062, now seen corresponding path program 5 times [2021-11-19 13:34:40,587 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:40,587 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600722027] [2021-11-19 13:34:40,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:40,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:40,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:40,843 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:40,843 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600722027] [2021-11-19 13:34:40,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600722027] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:40,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:40,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 13:34:40,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074600879] [2021-11-19 13:34:40,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:40,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:34:40,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:40,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:34:40,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:34:40,844 INFO L87 Difference]: Start difference. First operand 201 states and 343 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:41,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:41,115 INFO L93 Difference]: Finished difference Result 196 states and 331 transitions. [2021-11-19 13:34:41,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 13:34:41,116 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-19 13:34:41,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:41,117 INFO L225 Difference]: With dead ends: 196 [2021-11-19 13:34:41,117 INFO L226 Difference]: Without dead ends: 176 [2021-11-19 13:34:41,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:34:41,119 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 65 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:41,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [65 Valid, 0 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-19 13:34:41,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2021-11-19 13:34:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 106. [2021-11-19 13:34:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 105 states have (on average 1.638095238095238) internal successors, (172), 105 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 172 transitions. [2021-11-19 13:34:41,124 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 172 transitions. Word has length 31 [2021-11-19 13:34:41,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:41,125 INFO L470 AbstractCegarLoop]: Abstraction has 106 states and 172 transitions. [2021-11-19 13:34:41,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 172 transitions. [2021-11-19 13:34:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-19 13:34:41,126 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 13:34:41,126 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:41,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-19 13:34:41,126 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2021-11-19 13:34:41,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 13:34:41,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1591622004, now seen corresponding path program 1 times [2021-11-19 13:34:41,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 13:34:41,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766002069] [2021-11-19 13:34:41,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 13:34:41,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 13:34:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 13:34:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 13:34:41,258 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 13:34:41,258 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766002069] [2021-11-19 13:34:41,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766002069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 13:34:41,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 13:34:41,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-19 13:34:41,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849473972] [2021-11-19 13:34:41,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 13:34:41,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-19 13:34:41,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 13:34:41,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-19 13:34:41,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-19 13:34:41,260 INFO L87 Difference]: Start difference. First operand 106 states and 172 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:41,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 13:34:41,476 INFO L93 Difference]: Finished difference Result 101 states and 163 transitions. [2021-11-19 13:34:41,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-19 13:34:41,477 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2021-11-19 13:34:41,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 13:34:41,477 INFO L225 Difference]: With dead ends: 101 [2021-11-19 13:34:41,477 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 13:34:41,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-11-19 13:34:41,479 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 26 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 13:34:41,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 0 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 13:34:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 13:34:41,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 13:34:41,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:41,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 13:34:41,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-11-19 13:34:41,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 13:34:41,480 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 13:34:41,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 13:34:41,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 13:34:41,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 13:34:41,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2021-11-19 13:34:41,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2021-11-19 13:34:41,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2021-11-19 13:34:41,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 8 remaining) [2021-11-19 13:34:41,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2021-11-19 13:34:41,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2021-11-19 13:34:41,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2021-11-19 13:34:41,484 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2021-11-19 13:34:41,485 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-19 13:34:41,487 INFO L732 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 13:34:41,491 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 13:34:41,491 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 13:34:41,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:34:41 BasicIcfg [2021-11-19 13:34:41,494 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 13:34:41,494 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 13:34:41,494 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 13:34:41,495 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 13:34:41,495 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:34:31" (3/4) ... [2021-11-19 13:34:41,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 13:34:41,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-19 13:34:41,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-19 13:34:41,508 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 13:34:41,509 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 13:34:41,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 13:34:41,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 13:34:41,541 INFO L158 Benchmark]: Toolchain (without parser) took 11599.17ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 79.1MB in the beginning and 122.8MB in the end (delta: -43.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-19 13:34:41,541 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:34:41,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.66ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 71.6MB in the end (delta: 7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 13:34:41,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.16ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 69.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 13:34:41,542 INFO L158 Benchmark]: Boogie Preprocessor took 66.35ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:34:41,542 INFO L158 Benchmark]: RCFGBuilder took 567.74ms. Allocated memory is still 113.2MB. Free memory was 67.4MB in the beginning and 53.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-19 13:34:41,543 INFO L158 Benchmark]: TraceAbstraction took 10077.24ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 53.2MB in the beginning and 126.0MB in the end (delta: -72.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 13:34:41,543 INFO L158 Benchmark]: Witness Printer took 45.79ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 13:34:41,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 53.6MB in the beginning and 53.6MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.66ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 71.6MB in the end (delta: 7.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.16ms. Allocated memory is still 113.2MB. Free memory was 71.6MB in the beginning and 69.0MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.35ms. Allocated memory is still 113.2MB. Free memory was 69.0MB in the beginning and 67.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 567.74ms. Allocated memory is still 113.2MB. Free memory was 67.4MB in the beginning and 53.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10077.24ms. Allocated memory was 113.2MB in the beginning and 163.6MB in the end (delta: 50.3MB). Free memory was 53.2MB in the beginning and 126.0MB in the end (delta: -72.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.79ms. Allocated memory is still 163.6MB. Free memory was 124.9MB in the beginning and 122.8MB in the end (delta: 2.1MB). 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: 3.0s, 96 PlacesBefore, 48 PlacesAfterwards, 92 TransitionsBefore, 44 TransitionsAfterwards, 1392 CoEnabledTransitionPairs, 6 FixpointIterations, 34 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 48 TotalNumberOfCompositions, 10767 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2098, positive: 1580, positive conditional: 0, positive unconditional: 1580, negative: 518, negative conditional: 0, negative unconditional: 518, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 685, positive: 604, positive conditional: 0, positive unconditional: 604, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 685, positive: 571, positive conditional: 0, positive unconditional: 571, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 114, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 382, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 245, negative conditional: 0, negative unconditional: 245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2098, positive: 976, positive conditional: 0, positive unconditional: 976, negative: 437, negative conditional: 0, negative unconditional: 437, unknown: 685, unknown conditional: 0, unknown unconditional: 685] , Statistics on independence cache: Total cache size (in pairs): 242, Positive cache size: 177, Positive conditional cache size: 0, Positive unconditional cache size: 177, Negative cache size: 65, Negative conditional cache size: 0, Negative unconditional cache size: 65 - 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: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 119 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 538 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 538 mSDsluCounter, 406 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 295 mSDsCounter, 377 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3114 IncrementalHoareTripleChecker+Invalid, 3491 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 377 mSolverCounterUnsat, 272 mSDtfsCounter, 3114 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 7 SyntacticMatches, 20 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=591occurred in iteration=4, InterpolantAutomatonStates: 84, 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, 12 MinimizatonAttempts, 277 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 4874 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-19 13:34:41,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a74e8212-1e00-4db7-975c-1621b6205740/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE