./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_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_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/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_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/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_89e00c43-e4d9-45fa-9323-f892892896f2/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 7a262e05e4496d34901f24af4dfa792436c621eaf484a3e13626b3b224666ac4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:40:18,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:40:18,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:40:18,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:40:18,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:40:18,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:40:18,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:40:18,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:40:18,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:40:18,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:40:18,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:40:18,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:40:18,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:40:18,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:40:18,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:40:18,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:40:18,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:40:18,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:40:18,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:40:18,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:40:18,369 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:40:18,371 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:40:18,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:40:18,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:40:18,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:40:18,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:40:18,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:40:18,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:40:18,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:40:18,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:40:18,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:40:18,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:40:18,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:40:18,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:40:18,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:40:18,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:40:18,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:40:18,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:40:18,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:40:18,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:40:18,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:40:18,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-19 14:40:18,447 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:40:18,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:40:18,449 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:40:18,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:40:18,450 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:40:18,450 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:40:18,450 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:40:18,451 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:40:18,451 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:40:18,451 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:40:18,452 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:40:18,453 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:40:18,453 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:40:18,453 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:40:18,453 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:40:18,454 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:40:18,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:40:18,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:40:18,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 14:40:18,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:40:18,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:40:18,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:40:18,456 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:40:18,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:40:18,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:40:18,457 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-19 14:40:18,457 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:40:18,457 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:40:18,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:40:18,459 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:40:18,459 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:40:18,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:40:18,460 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:40:18,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:40:18,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:40:18,461 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:40:18,461 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:40:18,461 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:40:18,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:40:18,462 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:40:18,462 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:40:18,462 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:40:18,462 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_89e00c43-e4d9-45fa-9323-f892892896f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a262e05e4496d34901f24af4dfa792436c621eaf484a3e13626b3b224666ac4 [2021-11-19 14:40:18,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:40:18,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:40:18,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:40:18,759 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:40:18,760 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:40:18,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2021-11-19 14:40:18,850 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/data/61949b7f4/1a1aeb622eec42f5a5e80dfafcf54c3a/FLAGa56ec09d1 [2021-11-19 14:40:19,507 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:40:19,507 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/sv-benchmarks/c/goblint-regression/04-mutex_17-ps_add1_nr.i [2021-11-19 14:40:19,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/data/61949b7f4/1a1aeb622eec42f5a5e80dfafcf54c3a/FLAGa56ec09d1 [2021-11-19 14:40:19,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/data/61949b7f4/1a1aeb622eec42f5a5e80dfafcf54c3a [2021-11-19 14:40:19,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:40:19,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:40:19,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:40:19,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:40:19,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:40:19,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:19" (1/1) ... [2021-11-19 14:40:19,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@796e48bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:19, skipping insertion in model container [2021-11-19 14:40:19,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:40:19" (1/1) ... [2021-11-19 14:40:19,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:40:19,851 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:40:20,384 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:40:20,398 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:40:20,440 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:40:20,507 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:40:20,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20 WrapperNode [2021-11-19 14:40:20,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:40:20,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:40:20,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:40:20,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:40:20,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,589 INFO L137 Inliner]: procedures = 266, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2021-11-19 14:40:20,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:40:20,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:40:20,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:40:20,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:40:20,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:40:20,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:40:20,617 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:40:20,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:40:20,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (1/1) ... [2021-11-19 14:40:20,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:40:20,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:40:20,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:40:20,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:40:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:40:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:40:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-19 14:40:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-19 14:40:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:40:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-19 14:40:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-19 14:40:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:40:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:40:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:40:20,698 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-19 14:40:20,806 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:40:20,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:40:20,965 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:40:20,972 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:40:20,973 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:40:20,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:20 BoogieIcfgContainer [2021-11-19 14:40:20,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:40:20,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:40:20,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:40:20,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:40:20,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:40:19" (1/3) ... [2021-11-19 14:40:20,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddee00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:40:20, skipping insertion in model container [2021-11-19 14:40:20,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:40:20" (2/3) ... [2021-11-19 14:40:20,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddee00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:40:20, skipping insertion in model container [2021-11-19 14:40:20,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:20" (3/3) ... [2021-11-19 14:40:20,984 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_17-ps_add1_nr.i [2021-11-19 14:40:20,990 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-19 14:40:20,990 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:40:20,990 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-19 14:40:20,991 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-19 14:40:21,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,020 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,021 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,022 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,022 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,023 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,024 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,028 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,029 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,030 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,031 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,034 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,035 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,035 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,036 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-19 14:40:21,039 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-19 14:40:21,085 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:40:21,093 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:40:21,093 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-19 14:40:21,107 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-19 14:40:21,121 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 81 transitions, 167 flow [2021-11-19 14:40:21,124 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 81 transitions, 167 flow [2021-11-19 14:40:21,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 81 transitions, 167 flow [2021-11-19 14:40:21,180 INFO L129 PetriNetUnfolder]: 3/80 cut-off events. [2021-11-19 14:40:21,181 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-19 14:40:21,184 INFO L84 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 80 events. 3/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2021-11-19 14:40:21,187 INFO L116 LiptonReduction]: Number of co-enabled transitions 1258 [2021-11-19 14:40:24,236 INFO L131 LiptonReduction]: Checked pairs total: 4026 [2021-11-19 14:40:24,236 INFO L133 LiptonReduction]: Total number of compositions: 70 [2021-11-19 14:40:24,246 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 24 transitions, 53 flow [2021-11-19 14:40:24,262 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 119 states, 111 states have (on average 2.009009009009009) internal successors, (223), 118 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 111 states have (on average 2.009009009009009) internal successors, (223), 118 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-19 14:40:24,270 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:24,271 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-19 14:40:24,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-19 14:40:24,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:24,277 INFO L85 PathProgramCache]: Analyzing trace with hash 274719997, now seen corresponding path program 1 times [2021-11-19 14:40:24,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:40:24,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795652383] [2021-11-19 14:40:24,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:24,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:40:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:40:24,484 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:40:24,484 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795652383] [2021-11-19 14:40:24,486 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795652383] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:24,486 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:24,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:40:24,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123378281] [2021-11-19 14:40:24,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:24,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:40:24,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:40:24,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:40:24,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:40:24,549 INFO L87 Difference]: Start difference. First operand has 119 states, 111 states have (on average 2.009009009009009) internal successors, (223), 118 states have internal predecessors, (223), 0 states have call successors, (0), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:24,653 INFO L93 Difference]: Finished difference Result 138 states and 252 transitions. [2021-11-19 14:40:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:40:24,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2021-11-19 14:40:24,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:24,675 INFO L225 Difference]: With dead ends: 138 [2021-11-19 14:40:24,675 INFO L226 Difference]: Without dead ends: 138 [2021-11-19 14:40:24,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:40:24,688 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 15 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:24,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 11 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:40:24,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2021-11-19 14:40:24,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 114. [2021-11-19 14:40:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 107 states have (on average 1.9626168224299065) internal successors, (210), 113 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 210 transitions. [2021-11-19 14:40:24,765 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 210 transitions. Word has length 5 [2021-11-19 14:40:24,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:24,766 INFO L470 AbstractCegarLoop]: Abstraction has 114 states and 210 transitions. [2021-11-19 14:40:24,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 210 transitions. [2021-11-19 14:40:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 14:40:24,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:24,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:40:24,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:40:24,772 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-19 14:40:24,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:24,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1677983643, now seen corresponding path program 1 times [2021-11-19 14:40:24,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:40:24,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690513091] [2021-11-19 14:40:24,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:24,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:40:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:40:24,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:40:24,882 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690513091] [2021-11-19 14:40:24,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690513091] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:24,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:24,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:40:24,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128085571] [2021-11-19 14:40:24,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:24,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:40:24,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:40:24,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:40:24,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:40:24,886 INFO L87 Difference]: Start difference. First operand 114 states and 210 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:24,936 INFO L93 Difference]: Finished difference Result 117 states and 213 transitions. [2021-11-19 14:40:24,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:40:24,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 14:40:24,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:24,940 INFO L225 Difference]: With dead ends: 117 [2021-11-19 14:40:24,940 INFO L226 Difference]: Without dead ends: 103 [2021-11-19 14:40:24,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:40:24,945 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 8 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:24,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:40:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-11-19 14:40:24,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2021-11-19 14:40:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 97 states have (on average 1.907216494845361) internal successors, (185), 102 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 185 transitions. [2021-11-19 14:40:24,966 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 185 transitions. Word has length 9 [2021-11-19 14:40:24,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:24,967 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 185 transitions. [2021-11-19 14:40:24,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:24,967 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 185 transitions. [2021-11-19 14:40:24,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-19 14:40:24,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:24,969 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:40:24,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:40:24,970 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-19 14:40:24,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:24,970 INFO L85 PathProgramCache]: Analyzing trace with hash 148643695, now seen corresponding path program 1 times [2021-11-19 14:40:24,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:40:24,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997067732] [2021-11-19 14:40:24,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:24,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:40:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:25,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:40:25,017 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:40:25,017 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997067732] [2021-11-19 14:40:25,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997067732] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:25,018 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:25,018 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:40:25,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793733780] [2021-11-19 14:40:25,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:25,019 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-19 14:40:25,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:40:25,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 14:40:25,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:40:25,020 INFO L87 Difference]: Start difference. First operand 103 states and 185 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:25,065 INFO L93 Difference]: Finished difference Result 102 states and 176 transitions. [2021-11-19 14:40:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 14:40:25,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-19 14:40:25,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:25,067 INFO L225 Difference]: With dead ends: 102 [2021-11-19 14:40:25,067 INFO L226 Difference]: Without dead ends: 88 [2021-11-19 14:40:25,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 14:40:25,069 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 10 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:25,069 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 14 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:40:25,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2021-11-19 14:40:25,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2021-11-19 14:40:25,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 84 states have (on average 1.6428571428571428) internal successors, (138), 87 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 138 transitions. [2021-11-19 14:40:25,083 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 138 transitions. Word has length 9 [2021-11-19 14:40:25,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:25,083 INFO L470 AbstractCegarLoop]: Abstraction has 88 states and 138 transitions. [2021-11-19 14:40:25,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 138 transitions. [2021-11-19 14:40:25,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 14:40:25,086 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:25,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:40:25,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-19 14:40:25,087 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-19 14:40:25,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:25,088 INFO L85 PathProgramCache]: Analyzing trace with hash 384931874, now seen corresponding path program 1 times [2021-11-19 14:40:25,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:40:25,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97195715] [2021-11-19 14:40:25,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:25,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:40:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:25,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:40:25,185 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:40:25,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97195715] [2021-11-19 14:40:25,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97195715] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:25,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:25,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:40:25,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820044738] [2021-11-19 14:40:25,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:25,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:40:25,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:40:25,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:40:25,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:25,188 INFO L87 Difference]: Start difference. First operand 88 states and 138 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:25,224 INFO L93 Difference]: Finished difference Result 88 states and 133 transitions. [2021-11-19 14:40:25,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:40:25,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-11-19 14:40:25,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:25,227 INFO L225 Difference]: With dead ends: 88 [2021-11-19 14:40:25,227 INFO L226 Difference]: Without dead ends: 83 [2021-11-19 14:40:25,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:25,229 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 15 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:25,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 18 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:40:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-11-19 14:40:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2021-11-19 14:40:25,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 79 states have (on average 1.620253164556962) internal successors, (128), 82 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2021-11-19 14:40:25,236 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 11 [2021-11-19 14:40:25,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:25,236 INFO L470 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2021-11-19 14:40:25,237 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,237 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2021-11-19 14:40:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 14:40:25,238 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:25,238 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:40:25,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-19 14:40:25,238 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-19 14:40:25,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:25,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1331447265, now seen corresponding path program 1 times [2021-11-19 14:40:25,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:40:25,245 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306505789] [2021-11-19 14:40:25,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:25,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:40:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:40:25,352 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:40:25,352 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306505789] [2021-11-19 14:40:25,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306505789] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:25,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:25,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:40:25,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725825415] [2021-11-19 14:40:25,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:25,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:40:25,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:40:25,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:40:25,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:25,355 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:25,396 INFO L93 Difference]: Finished difference Result 89 states and 133 transitions. [2021-11-19 14:40:25,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:40:25,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-11-19 14:40:25,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:25,399 INFO L225 Difference]: With dead ends: 89 [2021-11-19 14:40:25,399 INFO L226 Difference]: Without dead ends: 82 [2021-11-19 14:40:25,399 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:25,403 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 20 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:25,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 27 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:40:25,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-11-19 14:40:25,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2021-11-19 14:40:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 78 states have (on average 1.6153846153846154) internal successors, (126), 81 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2021-11-19 14:40:25,422 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 11 [2021-11-19 14:40:25,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:25,422 INFO L470 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2021-11-19 14:40:25,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2021-11-19 14:40:25,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-19 14:40:25,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:40:25,424 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:40:25,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-19 14:40:25,425 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-11-19 14:40:25,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:40:25,426 INFO L85 PathProgramCache]: Analyzing trace with hash -72215215, now seen corresponding path program 2 times [2021-11-19 14:40:25,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:40:25,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484629050] [2021-11-19 14:40:25,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:40:25,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:40:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:40:25,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:40:25,505 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:40:25,506 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484629050] [2021-11-19 14:40:25,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484629050] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:40:25,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:40:25,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-19 14:40:25,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692121122] [2021-11-19 14:40:25,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:40:25,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:40:25,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:40:25,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:40:25,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:40:25,509 INFO L87 Difference]: Start difference. First operand 82 states and 126 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:40:25,528 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-19 14:40:25,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:40:25,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2021-11-19 14:40:25,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:40:25,529 INFO L225 Difference]: With dead ends: 15 [2021-11-19 14:40:25,529 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:40:25,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:40:25,537 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:40:25,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 9 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:40:25,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:40:25,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:40:25,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:40:25,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-11-19 14:40:25,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:40:25,540 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:40:25,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:40:25,540 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:40:25,540 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:40:25,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2021-11-19 14:40:25,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2021-11-19 14:40:25,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2021-11-19 14:40:25,543 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2021-11-19 14:40:25,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2021-11-19 14:40:25,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2021-11-19 14:40:25,544 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2021-11-19 14:40:25,544 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-19 14:40:25,547 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-11-19 14:40:25,553 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-19 14:40:25,553 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:40:25,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:40:25 BasicIcfg [2021-11-19 14:40:25,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:40:25,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:40:25,562 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:40:25,562 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:40:25,563 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:40:20" (3/4) ... [2021-11-19 14:40:25,566 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:40:25,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-11-19 14:40:25,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-19 14:40:25,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 14:40:25,580 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 14:40:25,581 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:40:25,626 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:40:25,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:40:25,627 INFO L158 Benchmark]: Toolchain (without parser) took 5851.94ms. Allocated memory was 83.9MB in the beginning and 130.0MB in the end (delta: 46.1MB). Free memory was 49.4MB in the beginning and 49.0MB in the end (delta: 367.6kB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2021-11-19 14:40:25,627 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:40:25,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.04ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 64.6MB in the end (delta: -15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:40:25,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.26ms. Allocated memory is still 107.0MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:40:25,628 INFO L158 Benchmark]: Boogie Preprocessor took 24.98ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 61.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:40:25,628 INFO L158 Benchmark]: RCFGBuilder took 359.01ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 49.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:40:25,629 INFO L158 Benchmark]: TraceAbstraction took 4579.12ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.7MB in the beginning and 51.1MB in the end (delta: -2.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2021-11-19 14:40:25,629 INFO L158 Benchmark]: Witness Printer took 69.48ms. Allocated memory is still 130.0MB. Free memory was 51.1MB in the beginning and 49.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:40:25,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.04ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 49.3MB in the beginning and 64.6MB in the end (delta: -15.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.26ms. Allocated memory is still 107.0MB. Free memory was 64.6MB in the beginning and 62.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.98ms. Allocated memory is still 107.0MB. Free memory was 62.6MB in the beginning and 61.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 359.01ms. Allocated memory is still 107.0MB. Free memory was 61.4MB in the beginning and 49.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4579.12ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 48.7MB in the beginning and 51.1MB in the end (delta: -2.4MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * Witness Printer took 69.48ms. Allocated memory is still 130.0MB. Free memory was 51.1MB in the beginning and 49.0MB 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: 3.1s, 82 PlacesBefore, 27 PlacesAfterwards, 81 TransitionsBefore, 24 TransitionsAfterwards, 1258 CoEnabledTransitionPairs, 6 FixpointIterations, 24 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 2 ChoiceCompositions, 70 TotalNumberOfCompositions, 4026 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2270, positive: 2046, positive conditional: 0, positive unconditional: 2046, negative: 224, negative conditional: 0, negative unconditional: 224, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 994, positive: 942, positive conditional: 0, positive unconditional: 942, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 994, positive: 931, positive conditional: 0, positive unconditional: 931, negative: 63, negative conditional: 0, negative unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 146, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 16, unknown conditional: 0, unknown unconditional: 16] ], Cache Queries: [ total: 2270, positive: 1104, positive conditional: 0, positive unconditional: 1104, negative: 172, negative conditional: 0, negative unconditional: 172, unknown: 994, unknown conditional: 0, unknown unconditional: 994] , Statistics on independence cache: Total cache size (in pairs): 148, Positive cache size: 122, Positive conditional cache size: 0, Positive unconditional cache size: 122, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - 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: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 946]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: 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, 98 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 59 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 24 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-19 14:40:25,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89e00c43-e4d9-45fa-9323-f892892896f2/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