./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/no-data-race.prp --file /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version efd9311c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:20:42,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:20:42,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:20:42,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:20:42,336 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:20:42,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:20:42,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:20:42,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:20:42,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:20:42,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:20:42,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:20:42,353 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:20:42,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:20:42,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:20:42,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:20:42,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:20:42,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:20:42,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:20:42,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:20:42,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:20:42,370 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:20:42,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:20:42,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:20:42,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:20:42,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:20:42,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:20:42,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:20:42,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:20:42,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:20:42,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:20:42,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:20:42,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:20:42,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:20:42,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:20:42,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:20:42,386 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:20:42,386 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:20:42,387 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:20:42,387 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:20:42,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:20:42,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:20:42,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:20:42,391 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:20:42,421 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:20:42,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:20:42,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:20:42,424 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:20:42,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:20:42,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:20:42,426 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:20:42,426 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:20:42,426 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:20:42,427 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:20:42,427 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:20:42,427 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:20:42,427 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:20:42,428 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:20:42,428 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:20:42,428 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:20:42,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:20:42,429 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:20:42,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:20:42,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:20:42,431 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:20:42,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:20:42,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:20:42,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:20:42,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:20:42,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:20:42,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:20:42,433 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:20:42,433 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:20:42,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:20:42,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:20:42,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:20:42,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:20:42,434 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:20:42,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:20:42,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:20:42,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:20:42,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:20:42,435 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:20:42,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:20:42,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:20:42,435 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:20:42,436 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:20:42,436 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:/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c46cfa0dbb54d68ea1c1d9e6e82d14a582b1d00782b6decedd8126f489ee67 [2022-04-18 20:20:42,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:20:42,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:20:42,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:20:42,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:20:42,703 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:20:42,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2022-04-18 20:20:42,764 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9c61a5c0a/da24a988bd044a6c8f64690c8e6122dd/FLAG53b5cce21 [2022-04-18 20:20:43,201 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:20:43,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c [2022-04-18 20:20:43,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9c61a5c0a/da24a988bd044a6c8f64690c8e6122dd/FLAG53b5cce21 [2022-04-18 20:20:43,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/9c61a5c0a/da24a988bd044a6c8f64690c8e6122dd [2022-04-18 20:20:43,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:20:43,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:20:43,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:20:43,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:20:43,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:20:43,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:43,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f8a152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43, skipping insertion in model container [2022-04-18 20:20:43,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:43,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:20:43,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:20:43,846 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2022-04-18 20:20:43,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:20:43,865 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:20:43,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc.wvr.c[3018,3031] [2022-04-18 20:20:43,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:20:43,943 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:20:43,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43 WrapperNode [2022-04-18 20:20:43,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:20:43,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:20:43,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:20:43,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:20:43,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:43,976 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,001 INFO L137 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2022-04-18 20:20:44,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:20:44,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:20:44,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:20:44,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:20:44,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:20:44,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:20:44,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:20:44,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:20:44,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (1/1) ... [2022-04-18 20:20:44,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:20:44,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:20:44,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-04-18 20:20:44,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-04-18 20:20:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:20:44,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:20:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:20:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:20:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:20:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:20:44,112 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:20:44,112 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:20:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 20:20:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 20:20:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-04-18 20:20:44,113 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-04-18 20:20:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:20:44,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 20:20:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 20:20:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 20:20:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:20:44,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:20:44,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:20:44,116 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 20:20:44,241 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:20:44,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:20:44,755 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:20:44,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:20:44,991 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-04-18 20:20:44,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:20:44 BoogieIcfgContainer [2022-04-18 20:20:44,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:20:44,997 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:20:44,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:20:45,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:20:45,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:20:43" (1/3) ... [2022-04-18 20:20:45,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fba326c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:20:45, skipping insertion in model container [2022-04-18 20:20:45,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43" (2/3) ... [2022-04-18 20:20:45,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fba326c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:20:45, skipping insertion in model container [2022-04-18 20:20:45,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:20:44" (3/3) ... [2022-04-18 20:20:45,005 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc.wvr.c [2022-04-18 20:20:45,010 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:20:45,010 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:20:45,010 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-04-18 20:20:45,010 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:20:45,092 INFO L135 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-04-18 20:20:45,136 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:20:45,142 INFO L340 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 [2022-04-18 20:20:45,142 INFO L341 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2022-04-18 20:20:45,154 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:20:45,164 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 265 places, 264 transitions, 560 flow [2022-04-18 20:20:45,166 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 265 places, 264 transitions, 560 flow [2022-04-18 20:20:45,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 265 places, 264 transitions, 560 flow [2022-04-18 20:20:45,227 INFO L129 PetriNetUnfolder]: 12/260 cut-off events. [2022-04-18 20:20:45,227 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-04-18 20:20:45,233 INFO L84 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 260 events. 12/260 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 381 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 194. Up to 2 conditions per place. [2022-04-18 20:20:45,239 INFO L116 LiptonReduction]: Number of co-enabled transitions 9284 [2022-04-18 20:21:32,520 INFO L131 LiptonReduction]: Checked pairs total: 35201 [2022-04-18 20:21:32,521 INFO L133 LiptonReduction]: Total number of compositions: 271 [2022-04-18 20:21:32,527 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 102 transitions, 236 flow [2022-04-18 20:21:38,994 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 202906 states, 185646 states have (on average 5.337653383320944) internal successors, (990914), 202905 states have internal predecessors, (990914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 202906 states, 185646 states have (on average 5.337653383320944) internal successors, (990914), 202905 states have internal predecessors, (990914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-04-18 20:21:39,400 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:39,400 INFO L499 BasicCegarLoop]: trace histogram [1] [2022-04-18 20:21:39,401 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:39,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:39,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1378, now seen corresponding path program 1 times [2022-04-18 20:21:39,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:39,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93184729] [2022-04-18 20:21:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:39,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:21:39,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:39,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93184729] [2022-04-18 20:21:39,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93184729] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:39,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:39,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-04-18 20:21:39,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353767301] [2022-04-18 20:21:39,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:39,509 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-04-18 20:21:39,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:39,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-04-18 20:21:39,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:21:40,570 INFO L87 Difference]: Start difference. First operand has 202906 states, 185646 states have (on average 5.337653383320944) internal successors, (990914), 202905 states have internal predecessors, (990914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:40,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:40,816 INFO L93 Difference]: Finished difference Result 2252 states and 9261 transitions. [2022-04-18 20:21:40,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-04-18 20:21:40,819 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-04-18 20:21:40,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:40,859 INFO L225 Difference]: With dead ends: 2252 [2022-04-18 20:21:40,859 INFO L226 Difference]: Without dead ends: 2239 [2022-04-18 20:21:40,860 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-04-18 20:21:40,864 INFO L913 BasicCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:40,865 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-04-18 20:21:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2022-04-18 20:21:41,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2239. [2022-04-18 20:21:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2239 states, 2236 states have (on average 4.129695885509839) internal successors, (9234), 2238 states have internal predecessors, (9234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:41,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 2239 states and 9234 transitions. [2022-04-18 20:21:41,052 INFO L78 Accepts]: Start accepts. Automaton has 2239 states and 9234 transitions. Word has length 1 [2022-04-18 20:21:41,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:41,053 INFO L478 AbstractCegarLoop]: Abstraction has 2239 states and 9234 transitions. [2022-04-18 20:21:41,053 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 9234 transitions. [2022-04-18 20:21:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-04-18 20:21:41,063 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:41,064 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:41,065 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-18 20:21:41,065 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:41,070 INFO L85 PathProgramCache]: Analyzing trace with hash -2093333930, now seen corresponding path program 1 times [2022-04-18 20:21:41,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:41,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748668211] [2022-04-18 20:21:41,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:41,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-18 20:21:41,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:41,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748668211] [2022-04-18 20:21:41,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748668211] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:41,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:41,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-04-18 20:21:41,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996711476] [2022-04-18 20:21:41,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:41,273 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-04-18 20:21:41,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:41,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-04-18 20:21:41,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-04-18 20:21:41,275 INFO L87 Difference]: Start difference. First operand 2239 states and 9234 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:41,482 INFO L93 Difference]: Finished difference Result 2240 states and 9235 transitions. [2022-04-18 20:21:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-04-18 20:21:41,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-04-18 20:21:41,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:41,499 INFO L225 Difference]: With dead ends: 2240 [2022-04-18 20:21:41,500 INFO L226 Difference]: Without dead ends: 2240 [2022-04-18 20:21:41,500 INFO L912 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 [2022-04-18 20:21:41,501 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:41,501 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:21:41,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2240 states. [2022-04-18 20:21:41,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2240 to 2240. [2022-04-18 20:21:41,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2240 states, 2237 states have (on average 4.128296826106393) internal successors, (9235), 2239 states have internal predecessors, (9235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 9235 transitions. [2022-04-18 20:21:41,597 INFO L78 Accepts]: Start accepts. Automaton has 2240 states and 9235 transitions. Word has length 15 [2022-04-18 20:21:41,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:41,598 INFO L478 AbstractCegarLoop]: Abstraction has 2240 states and 9235 transitions. [2022-04-18 20:21:41,598 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 9235 transitions. [2022-04-18 20:21:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-04-18 20:21:41,601 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:41,601 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:41,601 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-18 20:21:41,601 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:41,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:41,602 INFO L85 PathProgramCache]: Analyzing trace with hash 445288733, now seen corresponding path program 1 times [2022-04-18 20:21:41,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:41,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583666182] [2022-04-18 20:21:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:41,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:41,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:21:41,915 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:41,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583666182] [2022-04-18 20:21:41,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583666182] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:41,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:41,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 20:21:41,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767236303] [2022-04-18 20:21:41,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:41,916 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 20:21:41,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:41,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 20:21:41,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 20:21:41,917 INFO L87 Difference]: Start difference. First operand 2240 states and 9235 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:43,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:43,056 INFO L93 Difference]: Finished difference Result 3222 states and 13180 transitions. [2022-04-18 20:21:43,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 20:21:43,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-04-18 20:21:43,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:43,082 INFO L225 Difference]: With dead ends: 3222 [2022-04-18 20:21:43,083 INFO L226 Difference]: Without dead ends: 3222 [2022-04-18 20:21:43,083 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 20:21:43,084 INFO L913 BasicCegarLoop]: 22 mSDtfsCounter, 48 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:43,085 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 54 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-04-18 20:21:43,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3222 states. [2022-04-18 20:21:43,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3222 to 2790. [2022-04-18 20:21:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2787 states have (on average 4.201650520272695) internal successors, (11710), 2789 states have internal predecessors, (11710), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 11710 transitions. [2022-04-18 20:21:43,191 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 11710 transitions. Word has length 16 [2022-04-18 20:21:43,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:43,192 INFO L478 AbstractCegarLoop]: Abstraction has 2790 states and 11710 transitions. [2022-04-18 20:21:43,192 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 11710 transitions. [2022-04-18 20:21:43,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-04-18 20:21:43,197 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:43,197 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:43,197 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-04-18 20:21:43,198 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:43,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:43,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1681741974, now seen corresponding path program 1 times [2022-04-18 20:21:43,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:43,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640506251] [2022-04-18 20:21:43,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:43,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:21:43,753 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:43,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640506251] [2022-04-18 20:21:43,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640506251] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:43,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:43,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 20:21:43,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76227650] [2022-04-18 20:21:43,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:43,754 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-18 20:21:43,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:43,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-18 20:21:43,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-18 20:21:43,755 INFO L87 Difference]: Start difference. First operand 2790 states and 11710 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:44,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:44,635 INFO L93 Difference]: Finished difference Result 2640 states and 11035 transitions. [2022-04-18 20:21:44,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-18 20:21:44,636 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-04-18 20:21:44,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:44,657 INFO L225 Difference]: With dead ends: 2640 [2022-04-18 20:21:44,657 INFO L226 Difference]: Without dead ends: 2640 [2022-04-18 20:21:44,658 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-04-18 20:21:44,659 INFO L913 BasicCegarLoop]: 20 mSDtfsCounter, 111 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:44,659 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [111 Valid, 64 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-04-18 20:21:44,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2640 states. [2022-04-18 20:21:44,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2640 to 2040. [2022-04-18 20:21:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2040 states, 2038 states have (on average 4.089793915603533) internal successors, (8335), 2039 states have internal predecessors, (8335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 8335 transitions. [2022-04-18 20:21:44,731 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 8335 transitions. Word has length 19 [2022-04-18 20:21:44,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:44,732 INFO L478 AbstractCegarLoop]: Abstraction has 2040 states and 8335 transitions. [2022-04-18 20:21:44,732 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:44,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 8335 transitions. [2022-04-18 20:21:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-04-18 20:21:44,738 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:44,738 INFO L499 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:44,739 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-04-18 20:21:44,739 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:44,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:44,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1892974828, now seen corresponding path program 1 times [2022-04-18 20:21:44,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:44,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316941162] [2022-04-18 20:21:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:44,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:44,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-04-18 20:21:44,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:44,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316941162] [2022-04-18 20:21:44,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316941162] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:44,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:44,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 20:21:44,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608999977] [2022-04-18 20:21:44,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:44,823 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-18 20:21:44,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:44,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-18 20:21:44,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-04-18 20:21:44,824 INFO L87 Difference]: Start difference. First operand 2040 states and 8335 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:45,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:45,054 INFO L93 Difference]: Finished difference Result 2704 states and 11163 transitions. [2022-04-18 20:21:45,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-18 20:21:45,055 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-04-18 20:21:45,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:45,076 INFO L225 Difference]: With dead ends: 2704 [2022-04-18 20:21:45,076 INFO L226 Difference]: Without dead ends: 2704 [2022-04-18 20:21:45,077 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-04-18 20:21:45,077 INFO L913 BasicCegarLoop]: 28 mSDtfsCounter, 64 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:45,078 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 48 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:21:45,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-04-18 20:21:45,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2704. [2022-04-18 20:21:45,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2704 states, 2702 states have (on average 4.131384159881569) internal successors, (11163), 2703 states have internal predecessors, (11163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2704 states and 11163 transitions. [2022-04-18 20:21:45,164 INFO L78 Accepts]: Start accepts. Automaton has 2704 states and 11163 transitions. Word has length 27 [2022-04-18 20:21:45,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:45,165 INFO L478 AbstractCegarLoop]: Abstraction has 2704 states and 11163 transitions. [2022-04-18 20:21:45,165 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 11163 transitions. [2022-04-18 20:21:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-04-18 20:21:45,174 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:45,174 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:45,174 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-04-18 20:21:45,174 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:45,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:45,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1308967039, now seen corresponding path program 1 times [2022-04-18 20:21:45,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:45,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606693562] [2022-04-18 20:21:45,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:45,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 20:21:45,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:45,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606693562] [2022-04-18 20:21:45,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606693562] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:45,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:45,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 20:21:45,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064437283] [2022-04-18 20:21:45,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:45,377 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 20:21:45,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:45,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 20:21:45,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 20:21:45,378 INFO L87 Difference]: Start difference. First operand 2704 states and 11163 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:45,867 INFO L93 Difference]: Finished difference Result 2886 states and 11728 transitions. [2022-04-18 20:21:45,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 20:21:45,868 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 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 29 [2022-04-18 20:21:45,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:45,882 INFO L225 Difference]: With dead ends: 2886 [2022-04-18 20:21:45,882 INFO L226 Difference]: Without dead ends: 2886 [2022-04-18 20:21:45,882 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 20:21:45,883 INFO L913 BasicCegarLoop]: 23 mSDtfsCounter, 36 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:45,883 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 45 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-04-18 20:21:45,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2022-04-18 20:21:45,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2814. [2022-04-18 20:21:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2812 states have (on average 4.1066856330014225) internal successors, (11548), 2813 states have internal predecessors, (11548), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 11548 transitions. [2022-04-18 20:21:45,963 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 11548 transitions. Word has length 29 [2022-04-18 20:21:45,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:45,964 INFO L478 AbstractCegarLoop]: Abstraction has 2814 states and 11548 transitions. [2022-04-18 20:21:45,964 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 11548 transitions. [2022-04-18 20:21:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-04-18 20:21:45,973 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:45,973 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:45,974 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-04-18 20:21:45,974 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:45,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:45,974 INFO L85 PathProgramCache]: Analyzing trace with hash -2069820652, now seen corresponding path program 1 times [2022-04-18 20:21:45,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:45,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956721076] [2022-04-18 20:21:45,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:45,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:46,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:46,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-04-18 20:21:46,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:46,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956721076] [2022-04-18 20:21:46,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956721076] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:46,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:46,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 20:21:46,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962224227] [2022-04-18 20:21:46,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:46,320 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-18 20:21:46,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:46,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-18 20:21:46,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-04-18 20:21:46,321 INFO L87 Difference]: Start difference. First operand 2814 states and 11548 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:47,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:47,266 INFO L93 Difference]: Finished difference Result 2784 states and 11443 transitions. [2022-04-18 20:21:47,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-18 20:21:47,266 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-04-18 20:21:47,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:47,282 INFO L225 Difference]: With dead ends: 2784 [2022-04-18 20:21:47,282 INFO L226 Difference]: Without dead ends: 2784 [2022-04-18 20:21:47,283 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-04-18 20:21:47,283 INFO L913 BasicCegarLoop]: 21 mSDtfsCounter, 77 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:47,284 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 68 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-04-18 20:21:47,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2022-04-18 20:21:47,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2664. [2022-04-18 20:21:47,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 2663 states have (on average 4.139316560270371) internal successors, (11023), 2663 states have internal predecessors, (11023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 11023 transitions. [2022-04-18 20:21:47,367 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 11023 transitions. Word has length 32 [2022-04-18 20:21:47,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:47,368 INFO L478 AbstractCegarLoop]: Abstraction has 2664 states and 11023 transitions. [2022-04-18 20:21:47,368 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:47,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 11023 transitions. [2022-04-18 20:21:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-04-18 20:21:47,377 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:47,377 INFO L499 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:47,377 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-04-18 20:21:47,377 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:47,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:47,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1278437919, now seen corresponding path program 1 times [2022-04-18 20:21:47,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:47,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163776057] [2022-04-18 20:21:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:47,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:47,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-04-18 20:21:47,488 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:47,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163776057] [2022-04-18 20:21:47,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163776057] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:47,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:47,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-04-18 20:21:47,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358032167] [2022-04-18 20:21:47,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:47,489 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-18 20:21:47,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:47,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-18 20:21:47,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-04-18 20:21:47,490 INFO L87 Difference]: Start difference. First operand 2664 states and 11023 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:47,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:47,705 INFO L93 Difference]: Finished difference Result 3700 states and 15363 transitions. [2022-04-18 20:21:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-04-18 20:21:47,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 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 40 [2022-04-18 20:21:47,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:47,725 INFO L225 Difference]: With dead ends: 3700 [2022-04-18 20:21:47,725 INFO L226 Difference]: Without dead ends: 3700 [2022-04-18 20:21:47,725 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-04-18 20:21:47,726 INFO L913 BasicCegarLoop]: 32 mSDtfsCounter, 62 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:47,726 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 51 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-18 20:21:47,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3700 states. [2022-04-18 20:21:47,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3700 to 3700. [2022-04-18 20:21:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3700 states, 3699 states have (on average 4.153284671532846) internal successors, (15363), 3699 states have internal predecessors, (15363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3700 states to 3700 states and 15363 transitions. [2022-04-18 20:21:47,852 INFO L78 Accepts]: Start accepts. Automaton has 3700 states and 15363 transitions. Word has length 40 [2022-04-18 20:21:47,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:47,852 INFO L478 AbstractCegarLoop]: Abstraction has 3700 states and 15363 transitions. [2022-04-18 20:21:47,852 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 3700 states and 15363 transitions. [2022-04-18 20:21:47,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-04-18 20:21:47,867 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:47,867 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:47,867 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-04-18 20:21:47,867 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:47,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:47,868 INFO L85 PathProgramCache]: Analyzing trace with hash -2012917508, now seen corresponding path program 1 times [2022-04-18 20:21:47,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:47,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139121329] [2022-04-18 20:21:47,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:47,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:48,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 20:21:48,103 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:48,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139121329] [2022-04-18 20:21:48,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139121329] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:48,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:48,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-04-18 20:21:48,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710830406] [2022-04-18 20:21:48,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:48,104 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-18 20:21:48,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:48,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-18 20:21:48,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 20:21:48,105 INFO L87 Difference]: Start difference. First operand 3700 states and 15363 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:48,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:48,588 INFO L93 Difference]: Finished difference Result 3722 states and 15412 transitions. [2022-04-18 20:21:48,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-04-18 20:21:48,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 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 42 [2022-04-18 20:21:48,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:48,603 INFO L225 Difference]: With dead ends: 3722 [2022-04-18 20:21:48,604 INFO L226 Difference]: Without dead ends: 2828 [2022-04-18 20:21:48,604 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-04-18 20:21:48,605 INFO L913 BasicCegarLoop]: 24 mSDtfsCounter, 16 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:48,605 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 44 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-04-18 20:21:48,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2828 states. [2022-04-18 20:21:48,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2828 to 2828. [2022-04-18 20:21:48,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2828 states, 2827 states have (on average 4.1238061549345595) internal successors, (11658), 2827 states have internal predecessors, (11658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:48,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2828 states to 2828 states and 11658 transitions. [2022-04-18 20:21:48,696 INFO L78 Accepts]: Start accepts. Automaton has 2828 states and 11658 transitions. Word has length 42 [2022-04-18 20:21:48,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:48,696 INFO L478 AbstractCegarLoop]: Abstraction has 2828 states and 11658 transitions. [2022-04-18 20:21:48,697 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 11658 transitions. [2022-04-18 20:21:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-04-18 20:21:48,706 INFO L491 BasicCegarLoop]: Found error trace [2022-04-18 20:21:48,706 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:48,706 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-04-18 20:21:48,707 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 82 more)] === [2022-04-18 20:21:48,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-18 20:21:48,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1214614833, now seen corresponding path program 1 times [2022-04-18 20:21:48,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-04-18 20:21:48,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790900019] [2022-04-18 20:21:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-18 20:21:48,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-18 20:21:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-18 20:21:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-04-18 20:21:49,027 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-04-18 20:21:49,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790900019] [2022-04-18 20:21:49,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790900019] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-18 20:21:49,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-18 20:21:49,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-04-18 20:21:49,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57087051] [2022-04-18 20:21:49,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-18 20:21:49,029 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-04-18 20:21:49,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-04-18 20:21:49,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-04-18 20:21:49,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-04-18 20:21:49,030 INFO L87 Difference]: Start difference. First operand 2828 states and 11658 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:49,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-18 20:21:49,441 INFO L93 Difference]: Finished difference Result 2822 states and 11643 transitions. [2022-04-18 20:21:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-18 20:21:49,442 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 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 45 [2022-04-18 20:21:49,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-18 20:21:49,443 INFO L225 Difference]: With dead ends: 2822 [2022-04-18 20:21:49,443 INFO L226 Difference]: Without dead ends: 0 [2022-04-18 20:21:49,443 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2022-04-18 20:21:49,444 INFO L913 BasicCegarLoop]: 22 mSDtfsCounter, 58 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-18 20:21:49,444 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [58 Valid, 42 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-18 20:21:49,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-18 20:21:49,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-18 20:21:49,445 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) [2022-04-18 20:21:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-18 20:21:49,445 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45 [2022-04-18 20:21:49,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-18 20:21:49,446 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-18 20:21:49,446 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 8 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-04-18 20:21:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-18 20:21:49,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-18 20:21:49,448 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (85 of 86 remaining) [2022-04-18 20:21:49,449 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (84 of 86 remaining) [2022-04-18 20:21:49,449 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (83 of 86 remaining) [2022-04-18 20:21:49,449 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (82 of 86 remaining) [2022-04-18 20:21:49,449 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (81 of 86 remaining) [2022-04-18 20:21:49,449 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (80 of 86 remaining) [2022-04-18 20:21:49,450 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (79 of 86 remaining) [2022-04-18 20:21:49,450 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (78 of 86 remaining) [2022-04-18 20:21:49,450 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (77 of 86 remaining) [2022-04-18 20:21:49,450 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (76 of 86 remaining) [2022-04-18 20:21:49,450 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (75 of 86 remaining) [2022-04-18 20:21:49,451 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (74 of 86 remaining) [2022-04-18 20:21:49,451 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (73 of 86 remaining) [2022-04-18 20:21:49,451 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (72 of 86 remaining) [2022-04-18 20:21:49,451 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (71 of 86 remaining) [2022-04-18 20:21:49,451 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (70 of 86 remaining) [2022-04-18 20:21:49,451 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (69 of 86 remaining) [2022-04-18 20:21:49,452 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (68 of 86 remaining) [2022-04-18 20:21:49,452 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (67 of 86 remaining) [2022-04-18 20:21:49,452 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 86 remaining) [2022-04-18 20:21:49,452 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (65 of 86 remaining) [2022-04-18 20:21:49,452 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (64 of 86 remaining) [2022-04-18 20:21:49,453 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (63 of 86 remaining) [2022-04-18 20:21:49,453 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (62 of 86 remaining) [2022-04-18 20:21:49,453 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 86 remaining) [2022-04-18 20:21:49,453 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 86 remaining) [2022-04-18 20:21:49,453 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 86 remaining) [2022-04-18 20:21:49,453 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 86 remaining) [2022-04-18 20:21:49,454 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (57 of 86 remaining) [2022-04-18 20:21:49,454 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (56 of 86 remaining) [2022-04-18 20:21:49,454 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (55 of 86 remaining) [2022-04-18 20:21:49,454 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (54 of 86 remaining) [2022-04-18 20:21:49,454 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (53 of 86 remaining) [2022-04-18 20:21:49,455 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (52 of 86 remaining) [2022-04-18 20:21:49,455 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (51 of 86 remaining) [2022-04-18 20:21:49,455 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (50 of 86 remaining) [2022-04-18 20:21:49,455 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (49 of 86 remaining) [2022-04-18 20:21:49,455 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (48 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (47 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (46 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (45 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (44 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (43 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (42 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (41 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (40 of 86 remaining) [2022-04-18 20:21:49,456 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (39 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (38 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (37 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (36 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (35 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (34 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (33 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (32 of 86 remaining) [2022-04-18 20:21:49,457 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (31 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (30 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (29 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (27 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (26 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (25 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (24 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (23 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (22 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (21 of 86 remaining) [2022-04-18 20:21:49,458 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (20 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (19 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (18 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (16 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (13 of 86 remaining) [2022-04-18 20:21:49,459 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (12 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err0ASSERT_VIOLATIONDATA_RACE (5 of 86 remaining) [2022-04-18 20:21:49,460 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err1ASSERT_VIOLATIONDATA_RACE (4 of 86 remaining) [2022-04-18 20:21:49,461 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err2ASSERT_VIOLATIONDATA_RACE (3 of 86 remaining) [2022-04-18 20:21:49,461 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err3ASSERT_VIOLATIONDATA_RACE (2 of 86 remaining) [2022-04-18 20:21:49,461 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err4ASSERT_VIOLATIONDATA_RACE (1 of 86 remaining) [2022-04-18 20:21:49,461 INFO L788 garLoopResultBuilder]: Registering result SAFE for location thread4Err5ASSERT_VIOLATIONDATA_RACE (0 of 86 remaining) [2022-04-18 20:21:49,461 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-04-18 20:21:49,463 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-04-18 20:21:49,466 INFO L227 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-04-18 20:21:49,466 INFO L177 ceAbstractionStarter]: Computing trace abstraction results [2022-04-18 20:21:49,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.04 08:21:49 BasicIcfg [2022-04-18 20:21:49,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-18 20:21:49,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-04-18 20:21:49,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-04-18 20:21:49,470 INFO L275 PluginConnector]: Witness Printer initialized [2022-04-18 20:21:49,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:20:44" (3/4) ... [2022-04-18 20:21:49,472 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-04-18 20:21:49,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-04-18 20:21:49,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-04-18 20:21:49,476 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-04-18 20:21:49,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-04-18 20:21:49,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-04-18 20:21:49,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-04-18 20:21:49,481 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-04-18 20:21:49,482 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-04-18 20:21:49,516 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2022-04-18 20:21:49,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-04-18 20:21:49,517 INFO L158 Benchmark]: Toolchain (without parser) took 65922.32ms. Allocated memory was 98.6MB in the beginning and 10.1GB in the end (delta: 10.0GB). Free memory was 63.8MB in the beginning and 9.1GB in the end (delta: -9.0GB). Peak memory consumption was 946.4MB. Max. memory is 16.1GB. [2022-04-18 20:21:49,517 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:21:49,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.94ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 70.4MB in the end (delta: -6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-04-18 20:21:49,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.82ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 67.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:21:49,518 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 64.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:21:49,519 INFO L158 Benchmark]: RCFGBuilder took 956.41ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.9MB in the beginning and 85.5MB in the end (delta: -20.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2022-04-18 20:21:49,519 INFO L158 Benchmark]: TraceAbstraction took 64472.12ms. Allocated memory was 119.5MB in the beginning and 10.1GB in the end (delta: 10.0GB). Free memory was 85.5MB in the beginning and 9.1GB in the end (delta: -9.0GB). Peak memory consumption was 942.6MB. Max. memory is 16.1GB. [2022-04-18 20:21:49,519 INFO L158 Benchmark]: Witness Printer took 47.00ms. Allocated memory is still 10.1GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:21:49,521 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 53.0MB in the beginning and 52.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.94ms. Allocated memory is still 98.6MB. Free memory was 63.6MB in the beginning and 70.4MB in the end (delta: -6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.82ms. Allocated memory is still 98.6MB. Free memory was 70.4MB in the beginning and 67.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 64.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 956.41ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.9MB in the beginning and 85.5MB in the end (delta: -20.6MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * TraceAbstraction took 64472.12ms. Allocated memory was 119.5MB in the beginning and 10.1GB in the end (delta: 10.0GB). Free memory was 85.5MB in the beginning and 9.1GB in the end (delta: -9.0GB). Peak memory consumption was 942.6MB. Max. memory is 16.1GB. * Witness Printer took 47.00ms. Allocated memory is still 10.1GB. Free memory was 9.1GB in the beginning and 9.1GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 47.4s, 265 PlacesBefore, 108 PlacesAfterwards, 264 TransitionsBefore, 102 TransitionsAfterwards, 9284 CoEnabledTransitionPairs, 8 FixpointIterations, 138 TrivialSequentialCompositions, 105 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 9 ConcurrentYvCompositions, 5 ChoiceCompositions, 271 TotalNumberOfCompositions, 35201 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22771, positive: 22207, positive conditional: 0, positive unconditional: 22207, negative: 564, negative conditional: 0, negative unconditional: 564, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7129, positive: 6934, positive conditional: 0, positive unconditional: 6934, negative: 195, negative conditional: 0, negative unconditional: 195, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7129, positive: 5716, positive conditional: 0, positive unconditional: 5716, negative: 1413, negative conditional: 0, negative unconditional: 1413, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1413, positive: 1218, positive conditional: 0, positive unconditional: 1218, negative: 139, negative conditional: 0, negative unconditional: 139, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23176, positive: 1537, positive conditional: 0, positive unconditional: 1537, negative: 1363, negative conditional: 0, negative unconditional: 1363, unknown: 20276, unknown conditional: 0, unknown unconditional: 20276] ], Cache Queries: [ total: 22771, positive: 15273, positive conditional: 0, positive unconditional: 15273, negative: 369, negative conditional: 0, negative unconditional: 369, unknown: 7129, unknown conditional: 0, unknown unconditional: 7129] , Statistics on independence cache: Total cache size (in pairs): 2012, Positive cache size: 1958, Positive conditional cache size: 0, Positive unconditional cache size: 1958, Negative cache size: 54, Negative conditional cache size: 0, Negative unconditional cache size: 54 - 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 56]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 131]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 114]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 116]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 117]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 119]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: 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 9 procedures, 334 locations, 86 error locations. Started 1 CEGAR loops. OverallTime: 64.3s, OverallIterations: 10, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 6.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 53.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 472 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 472 mSDsluCounter, 480 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 725 mSDsCounter, 169 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1490 IncrementalHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 169 mSolverCounterUnsat, 235 mSDtfsCounter, 1490 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=202906occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 10 MinimizatonAttempts, 1224 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 1165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 22/22 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 46 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-04-18 20:21:49,669 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/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