./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-dec.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-dec.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 a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:20:41,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:20:41,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:20:41,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:20:41,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:20:41,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:20:41,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:20:41,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:20:41,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:20:41,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:20:41,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:20:41,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:20:41,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:20:41,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:20:41,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:20:41,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:20:41,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:20:41,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:20:41,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:20:41,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:20:41,468 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:20:41,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:20:41,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:20:41,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:20:41,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:20:41,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:20:41,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:20:41,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:20:41,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:20:41,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:20:41,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:20:41,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:20:41,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:20:41,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:20:41,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:20:41,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:20:41,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:20:41,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:20:41,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:20:41,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:20:41,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:20:41,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:20:41,491 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-04-18 20:20:41,525 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:20:41,525 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:20:41,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:20:41,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:20:41,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:20:41,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:20:41,527 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:20:41,527 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:20:41,527 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:20:41,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-04-18 20:20:41,528 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:20:41,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:20:41,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-04-18 20:20:41,528 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-04-18 20:20:41,529 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:20:41,529 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-04-18 20:20:41,529 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-04-18 20:20:41,529 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-04-18 20:20:41,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:20:41,531 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:20:41,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:20:41,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-18 20:20:41,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:20:41,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:20:41,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:20:41,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:20:41,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:20:41,532 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:20:41,533 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:20:41,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:20:41,533 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:20:41,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:20:41,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:20:41,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:20:41,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:20:41,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:20:41,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:20:41,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:20:41,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-04-18 20:20:41,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-18 20:20:41,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:20:41,535 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:20:41,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:20:41,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f [2022-04-18 20:20:41,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:20:41,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:20:41,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:20:41,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:20:41,823 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:20:41,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2022-04-18 20:20:41,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ebe1b4fc1/dcc4fd02400c4cf184849a9debb9473a/FLAGf103f2e97 [2022-04-18 20:20:42,316 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:20:42,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2022-04-18 20:20:42,325 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ebe1b4fc1/dcc4fd02400c4cf184849a9debb9473a/FLAGf103f2e97 [2022-04-18 20:20:42,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/ebe1b4fc1/dcc4fd02400c4cf184849a9debb9473a [2022-04-18 20:20:42,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:20:42,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:20:42,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:20:42,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:20:42,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:20:42,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:20:42" (1/1) ... [2022-04-18 20:20:42,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25818c11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:42, skipping insertion in model container [2022-04-18 20:20:42,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:20:42" (1/1) ... [2022-04-18 20:20:42,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:20:42,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:20:42,928 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-dec.wvr.c[3271,3284] [2022-04-18 20:20:42,933 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:20:42,938 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:20:42,984 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-dec.wvr.c[3271,3284] [2022-04-18 20:20:42,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:20:43,001 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:20:43,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:20:43 WrapperNode [2022-04-18 20:20:43,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:20:43,003 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:20:43,003 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:20:43,003 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:20:43,011 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 20:20:43,023 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 20:20:43,056 INFO L137 Inliner]: procedures = 27, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 266 [2022-04-18 20:20:43,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:20:43,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:20:43,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:20:43,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:20:43,065 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 20:20:43,065 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 20:20:43,076 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 20:20:43,076 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 20:20:43,097 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 20:20:43,105 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 20:20:43,108 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 20:20:43,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:20:43,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:20:43,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:20:43,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:20:43,124 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 20:20:43,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:20:43,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:20:43,155 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 20:20:43,168 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 20:20:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:20:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:20:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-18 20:20:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-18 20:20:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:20:43,203 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:20:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:20:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:20:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 20:20:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 20:20:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-04-18 20:20:43,204 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-04-18 20:20:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-18 20:20:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-04-18 20:20:43,205 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-04-18 20:20:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 20:20:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 20:20:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 20:20:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:20:43,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:20:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:20:43,207 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 20:20:43,321 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:20:43,323 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:20:43,921 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:20:44,244 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:20:44,244 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-04-18 20:20:44,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:20:44 BoogieIcfgContainer [2022-04-18 20:20:44,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:20:44,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:20:44,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:20:44,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:20:44,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:20:42" (1/3) ... [2022-04-18 20:20:44,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230184a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:20:44, skipping insertion in model container [2022-04-18 20:20:44,255 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 20:20:44,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230184a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:20:44, skipping insertion in model container [2022-04-18 20:20:44,255 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 20:20:44,256 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2022-04-18 20:20:44,261 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:20:44,262 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:20:44,262 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2022-04-18 20:20:44,262 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:20:44,361 INFO L135 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-04-18 20:20:44,412 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:20:44,419 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 20:20:44,420 INFO L341 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2022-04-18 20:20:44,437 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:20:44,475 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 303 places, 301 transitions, 642 flow [2022-04-18 20:20:44,478 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 303 places, 301 transitions, 642 flow [2022-04-18 20:20:44,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 303 places, 301 transitions, 642 flow [2022-04-18 20:20:44,611 INFO L129 PetriNetUnfolder]: 14/296 cut-off events. [2022-04-18 20:20:44,611 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-04-18 20:20:44,618 INFO L84 FinitePrefix]: Finished finitePrefix Result has 317 conditions, 296 events. 14/296 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 425 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 221. Up to 2 conditions per place. [2022-04-18 20:20:44,632 INFO L116 LiptonReduction]: Number of co-enabled transitions 14642 [2022-04-18 20:21:30,529 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-04-18 20:21:30,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-04-18 20:21:30,531 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1154) at de.uni_freiburg.informatik.ultimate.lib.tracecheckutils.independencerelation.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckutils.independencerelation.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:145) at de.uni_freiburg.informatik.ultimate.lib.tracecheckutils.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:123) at de.uni_freiburg.informatik.ultimate.lib.tracecheckutils.independencerelation.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$1(LiptonReduction.java:465) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1624) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isRightMover(LiptonReduction.java:465) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:408) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:310) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckutils.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:411) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:301) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 60 more [2022-04-18 20:21:30,537 INFO L158 Benchmark]: Toolchain (without parser) took 47836.40ms. Allocated memory was 90.2MB in the beginning and 169.9MB in the end (delta: 79.7MB). Free memory was 54.4MB in the beginning and 127.7MB in the end (delta: -73.3MB). Peak memory consumption was 86.7MB. Max. memory is 16.1GB. [2022-04-18 20:21:30,537 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 90.2MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-04-18 20:21:30,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.23ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 54.2MB in the beginning and 93.6MB in the end (delta: -39.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-04-18 20:21:30,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.21ms. Allocated memory is still 121.6MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-04-18 20:21:30,538 INFO L158 Benchmark]: Boogie Preprocessor took 57.40ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 87.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-04-18 20:21:30,539 INFO L158 Benchmark]: RCFGBuilder took 1132.83ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 75.0MB in the end (delta: 12.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2022-04-18 20:21:30,539 INFO L158 Benchmark]: TraceAbstraction took 46283.90ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 75.0MB in the beginning and 127.7MB in the end (delta: -52.7MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. [2022-04-18 20:21:30,542 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 90.2MB. Free memory was 59.3MB in the beginning and 59.3MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.23ms. Allocated memory was 90.2MB in the beginning and 121.6MB in the end (delta: 31.5MB). Free memory was 54.2MB in the beginning and 93.6MB in the end (delta: -39.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.21ms. Allocated memory is still 121.6MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.40ms. Allocated memory is still 121.6MB. Free memory was 90.4MB in the beginning and 87.0MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1132.83ms. Allocated memory is still 121.6MB. Free memory was 87.0MB in the beginning and 75.0MB in the end (delta: 12.0MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * TraceAbstraction took 46283.90ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 75.0MB in the beginning and 127.7MB in the end (delta: -52.7MB). Peak memory consumption was 76.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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-dec.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.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 a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-efd9311-m [2022-04-18 20:21:32,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-18 20:21:32,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-18 20:21:32,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-04-18 20:21:32,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-04-18 20:21:32,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-04-18 20:21:32,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-04-18 20:21:32,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-04-18 20:21:32,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-04-18 20:21:32,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-04-18 20:21:32,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-04-18 20:21:32,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-04-18 20:21:32,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-18 20:21:32,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-18 20:21:32,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-18 20:21:32,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-18 20:21:32,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-18 20:21:32,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-18 20:21:32,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-18 20:21:32,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-18 20:21:32,384 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-18 20:21:32,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-18 20:21:32,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-18 20:21:32,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-18 20:21:32,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-18 20:21:32,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-04-18 20:21:32,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-04-18 20:21:32,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-04-18 20:21:32,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-04-18 20:21:32,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-04-18 20:21:32,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-04-18 20:21:32,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-04-18 20:21:32,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-04-18 20:21:32,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-04-18 20:21:32,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-04-18 20:21:32,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-04-18 20:21:32,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-04-18 20:21:32,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-04-18 20:21:32,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-04-18 20:21:32,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-18 20:21:32,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-18 20:21:32,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-18 20:21:32,410 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-04-18 20:21:32,445 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-18 20:21:32,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-18 20:21:32,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-04-18 20:21:32,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-04-18 20:21:32,447 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-18 20:21:32,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-18 20:21:32,447 INFO L138 SettingsManager]: * User list type=DISABLED [2022-04-18 20:21:32,448 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-04-18 20:21:32,448 INFO L138 SettingsManager]: * Explicit value domain=true [2022-04-18 20:21:32,449 INFO L138 SettingsManager]: * Octagon Domain=false [2022-04-18 20:21:32,449 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-04-18 20:21:32,449 INFO L138 SettingsManager]: * Interval Domain=false [2022-04-18 20:21:32,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-18 20:21:32,450 INFO L138 SettingsManager]: * sizeof long=4 [2022-04-18 20:21:32,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-04-18 20:21:32,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-04-18 20:21:32,458 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-18 20:21:32,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-18 20:21:32,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-18 20:21:32,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-18 20:21:32,459 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-04-18 20:21:32,459 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-04-18 20:21:32,459 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-04-18 20:21:32,459 INFO L138 SettingsManager]: * sizeof long double=12 [2022-04-18 20:21:32,459 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-18 20:21:32,460 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-18 20:21:32,460 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-18 20:21:32,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-18 20:21:32,460 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-18 20:21:32,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-18 20:21:32,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:21:32,461 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-18 20:21:32,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-18 20:21:32,462 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-18 20:21:32,462 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-04-18 20:21:32,462 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-04-18 20:21:32,463 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-18 20:21:32,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-18 20:21:32,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-18 20:21:32,463 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1648913be4b4e88120f8ece4966a58804b334c451c87254dfc42f8e396f396f [2022-04-18 20:21:32,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-18 20:21:32,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-18 20:21:32,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-18 20:21:32,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-18 20:21:32,831 INFO L275 PluginConnector]: CDTParser initialized [2022-04-18 20:21:32,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2022-04-18 20:21:32,892 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5fce208c8/c2c4b52e0e8d44139214dab937b35601/FLAG21abc0acf [2022-04-18 20:21:33,322 INFO L306 CDTParser]: Found 1 translation units. [2022-04-18 20:21:33,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-inc-dec.wvr.c [2022-04-18 20:21:33,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5fce208c8/c2c4b52e0e8d44139214dab937b35601/FLAG21abc0acf [2022-04-18 20:21:33,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/5fce208c8/c2c4b52e0e8d44139214dab937b35601 [2022-04-18 20:21:33,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-18 20:21:33,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-04-18 20:21:33,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-18 20:21:33,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-18 20:21:33,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-18 20:21:33,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:21:33" (1/1) ... [2022-04-18 20:21:33,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca84505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:33, skipping insertion in model container [2022-04-18 20:21:33,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.04 08:21:33" (1/1) ... [2022-04-18 20:21:33,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-18 20:21:33,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-18 20:21:34,016 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-dec.wvr.c[3271,3284] [2022-04-18 20:21:34,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:21:34,049 INFO L203 MainTranslator]: Completed pre-run [2022-04-18 20:21:34,110 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-dec.wvr.c[3271,3284] [2022-04-18 20:21:34,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-18 20:21:34,135 INFO L208 MainTranslator]: Completed translation [2022-04-18 20:21:34,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34 WrapperNode [2022-04-18 20:21:34,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-18 20:21:34,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-04-18 20:21:34,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-04-18 20:21:34,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-04-18 20:21:34,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,211 INFO L137 Inliner]: procedures = 29, calls = 75, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 264 [2022-04-18 20:21:34,212 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-04-18 20:21:34,213 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-18 20:21:34,213 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-18 20:21:34,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-18 20:21:34,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,260 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-18 20:21:34,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-18 20:21:34,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-18 20:21:34,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-18 20:21:34,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (1/1) ... [2022-04-18 20:21:34,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-18 20:21:34,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 [2022-04-18 20:21:34,317 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 20:21:34,351 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 20:21:34,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-18 20:21:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-04-18 20:21:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-18 20:21:34,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-04-18 20:21:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-04-18 20:21:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-04-18 20:21:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-04-18 20:21:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-04-18 20:21:34,370 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-04-18 20:21:34,370 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-04-18 20:21:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-04-18 20:21:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-04-18 20:21:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-04-18 20:21:34,371 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-04-18 20:21:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-04-18 20:21:34,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-04-18 20:21:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-18 20:21:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-18 20:21:34,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-18 20:21:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-18 20:21:34,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-04-18 20:21:34,374 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-04-18 20:21:34,538 INFO L234 CfgBuilder]: Building ICFG [2022-04-18 20:21:34,540 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-18 20:21:35,332 INFO L275 CfgBuilder]: Performing block encoding [2022-04-18 20:21:35,719 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-18 20:21:35,719 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-04-18 20:21:35,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:21:35 BoogieIcfgContainer [2022-04-18 20:21:35,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-18 20:21:35,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-18 20:21:35,725 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-18 20:21:35,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-18 20:21:35,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.04 08:21:33" (1/3) ... [2022-04-18 20:21:35,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2757bf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:21:35, skipping insertion in model container [2022-04-18 20:21:35,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.04 08:21:34" (2/3) ... [2022-04-18 20:21:35,729 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2757bf9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.04 08:21:35, skipping insertion in model container [2022-04-18 20:21:35,729 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.04 08:21:35" (3/3) ... [2022-04-18 20:21:35,732 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-min-max-inc-dec.wvr.c [2022-04-18 20:21:35,736 WARN L147 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-04-18 20:21:35,736 INFO L202 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-18 20:21:35,737 INFO L161 ceAbstractionStarter]: Applying trace abstraction to program that has 53 error locations. [2022-04-18 20:21:35,737 INFO L504 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-04-18 20:21:35,858 INFO L135 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2022-04-18 20:21:35,893 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-18 20:21:35,898 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 20:21:35,898 INFO L341 AbstractCegarLoop]: Starting to check reachability of 100 error locations. [2022-04-18 20:21:35,912 INFO L116 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-04-18 20:21:35,924 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 301 places, 299 transitions, 638 flow [2022-04-18 20:21:35,930 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 301 places, 299 transitions, 638 flow [2022-04-18 20:21:35,931 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 301 places, 299 transitions, 638 flow [2022-04-18 20:21:36,046 INFO L129 PetriNetUnfolder]: 14/294 cut-off events. [2022-04-18 20:21:36,047 INFO L130 PetriNetUnfolder]: For 5/5 co-relation queries the response was YES. [2022-04-18 20:21:36,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 315 conditions, 294 events. 14/294 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 428 event pairs, 0 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 219. Up to 2 conditions per place. [2022-04-18 20:21:36,065 INFO L116 LiptonReduction]: Number of co-enabled transitions 14642 [2022-04-18 20:23:18,137 INFO L131 LiptonReduction]: Checked pairs total: 57654 [2022-04-18 20:23:18,137 INFO L133 LiptonReduction]: Total number of compositions: 295 [2022-04-18 20:23:18,144 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 124 transitions, 288 flow