./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba --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 a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:08:06,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:08:06,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:08:06,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:08:06,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:08:06,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:08:06,516 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:08:06,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:08:06,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:08:06,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:08:06,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:08:06,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:08:06,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:08:06,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:08:06,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:08:06,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:08:06,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:08:06,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:08:06,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:08:06,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:08:06,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:08:06,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:08:06,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:08:06,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:08:06,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:08:06,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:08:06,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:08:06,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:08:06,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:08:06,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:08:06,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:08:06,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:08:06,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:08:06,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:08:06,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:08:06,587 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:08:06,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:08:06,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:08:06,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:08:06,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:08:06,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:08:06,591 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:08:06,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:08:06,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:08:06,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:08:06,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:08:06,653 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:08:06,653 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:08:06,654 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:08:06,654 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:08:06,654 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:08:06,654 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:08:06,656 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:08:06,656 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:08:06,656 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:08:06,656 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:08:06,657 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:08:06,657 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:08:06,657 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:08:06,657 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:08:06,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:08:06,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:08:06,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:08:06,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:08:06,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:08:06,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:08:06,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:08:06,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:08:06,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:08:06,661 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:08:06,661 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:08:06,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:08:06,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:08:06,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:08:06,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:08:06,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:08:06,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:06,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:08:06,664 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:08:06,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:08:06,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:08:06,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:08:06,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:08:06,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:08:06,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:08:06,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b [2022-11-22 01:08:06,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:08:06,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:08:06,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:08:06,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:08:06,966 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:08:06,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2022-11-22 01:08:10,339 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:08:10,680 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:08:10,681 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/sv-benchmarks/c/pthread-ext/04_incdec_cas.i [2022-11-22 01:08:10,695 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/data/72c357744/212d2f64cbe649458bae756cd494eb1b/FLAG17169e91a [2022-11-22 01:08:10,724 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/data/72c357744/212d2f64cbe649458bae756cd494eb1b [2022-11-22 01:08:10,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:08:10,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:08:10,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:10,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:08:10,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:08:10,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:10" (1/1) ... [2022-11-22 01:08:10,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@665ffea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:10, skipping insertion in model container [2022-11-22 01:08:10,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:10" (1/1) ... [2022-11-22 01:08:10,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:08:10,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:08:11,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30285,30298] [2022-11-22 01:08:11,222 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30729,30742] [2022-11-22 01:08:11,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:11,251 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:08:11,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30285,30298] [2022-11-22 01:08:11,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/sv-benchmarks/c/pthread-ext/04_incdec_cas.i[30729,30742] [2022-11-22 01:08:11,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:11,380 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:08:11,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11 WrapperNode [2022-11-22 01:08:11,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:11,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:11,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:08:11,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:08:11,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,450 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 264 [2022-11-22 01:08:11,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:11,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:08:11,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:08:11,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:08:11,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,540 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:08:11,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:08:11,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:08:11,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:08:11,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (1/1) ... [2022-11-22 01:08:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:11,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:11,612 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:08:11,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1f07cd-ddfc-4440-92e8-439073862b2e/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:08:11,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:08:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-22 01:08:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-22 01:08:11,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:08:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:08:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:08:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:08:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:08:11,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:08:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:08:11,663 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:08:11,830 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:08:11,832 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:08:12,658 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:08:13,205 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:08:13,205 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 01:08:13,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:13 BoogieIcfgContainer [2022-11-22 01:08:13,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:08:13,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:08:13,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:08:13,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:08:13,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:10" (1/3) ... [2022-11-22 01:08:13,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f359e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:13, skipping insertion in model container [2022-11-22 01:08:13,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:11" (2/3) ... [2022-11-22 01:08:13,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f359e42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:13, skipping insertion in model container [2022-11-22 01:08:13,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:13" (3/3) ... [2022-11-22 01:08:13,222 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2022-11-22 01:08:13,233 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:08:13,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:08:13,247 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-11-22 01:08:13,248 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:08:13,429 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:08:13,483 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:08:13,520 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 136 places, 141 transitions, 287 flow [2022-11-22 01:08:13,529 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 136 places, 141 transitions, 287 flow [2022-11-22 01:08:13,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 136 places, 141 transitions, 287 flow [2022-11-22 01:08:13,682 INFO L130 PetriNetUnfolder]: 9/152 cut-off events. [2022-11-22 01:08:13,683 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-22 01:08:13,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 152 events. 9/152 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 342 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 117. Up to 4 conditions per place. [2022-11-22 01:08:13,695 INFO L119 LiptonReduction]: Number of co-enabled transitions 2912 [2022-11-22 01:08:37,497 WARN L233 SmtUtils]: Spent 18.06s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:08:47,487 WARN L233 SmtUtils]: Spent 9.99s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:09:06,836 WARN L233 SmtUtils]: Spent 19.35s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:09:16,670 WARN L233 SmtUtils]: Spent 9.83s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:09:28,086 WARN L233 SmtUtils]: Spent 8.28s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:09:35,708 WARN L233 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:09:45,245 WARN L233 SmtUtils]: Spent 9.53s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:09:55,488 WARN L233 SmtUtils]: Spent 10.24s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:10:15,327 WARN L233 SmtUtils]: Spent 16.55s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:10:31,262 WARN L233 SmtUtils]: Spent 15.93s on a formula simplification that was a NOOP. DAG size: 141 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:10:49,216 WARN L233 SmtUtils]: Spent 17.95s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:11:08,032 WARN L233 SmtUtils]: Spent 18.82s on a formula simplification that was a NOOP. DAG size: 148 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:11:25,069 INFO L134 LiptonReduction]: Checked pairs total: 3557 [2022-11-22 01:11:25,069 INFO L136 LiptonReduction]: Total number of compositions: 156 [2022-11-22 01:11:25,078 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 40 transitions, 85 flow [2022-11-22 01:11:25,101 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 142 states, 105 states have (on average 2.6666666666666665) internal successors, (280), 141 states have internal predecessors, (280), 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) [2022-11-22 01:11:25,119 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:11:25,124 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5c4a8268, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:11:25,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 37 error locations. [2022-11-22 01:11:25,127 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 105 states have (on average 2.6666666666666665) internal successors, (280), 141 states have internal predecessors, (280), 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) [2022-11-22 01:11:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:11:25,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:25,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:11:25,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err15ASSERT_VIOLATIONDATA_RACE === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-22 01:11:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:25,139 INFO L85 PathProgramCache]: Analyzing trace with hash 938768306, now seen corresponding path program 1 times [2022-11-22 01:11:25,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:25,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909170297] [2022-11-22 01:11:25,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:25,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:11:25,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:25,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909170297] [2022-11-22 01:11:25,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909170297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:25,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:25,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:11:25,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746112827] [2022-11-22 01:11:25,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:25,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:11:25,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:25,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:11:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:11:25,440 INFO L87 Difference]: Start difference. First operand has 142 states, 105 states have (on average 2.6666666666666665) internal successors, (280), 141 states have internal predecessors, (280), 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 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:11:26,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:26,036 INFO L93 Difference]: Finished difference Result 43 states and 89 transitions. [2022-11-22 01:11:26,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:11:26,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-22 01:11:26,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:26,051 INFO L225 Difference]: With dead ends: 43 [2022-11-22 01:11:26,052 INFO L226 Difference]: Without dead ends: 43 [2022-11-22 01:11:26,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:11:26,063 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:26,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-22 01:11:26,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-22 01:11:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-22 01:11:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 42 states have (on average 2.119047619047619) internal successors, (89), 42 states have internal predecessors, (89), 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) [2022-11-22 01:11:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 89 transitions. [2022-11-22 01:11:26,111 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 89 transitions. Word has length 5 [2022-11-22 01:11:26,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:26,111 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 89 transitions. [2022-11-22 01:11:26,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:11:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 89 transitions. [2022-11-22 01:11:26,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:11:26,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:26,117 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-22 01:11:26,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:11:26,117 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err7ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE, thr1Err16ASSERT_VIOLATIONDATA_RACE, thr1Err17ASSERT_VIOLATIONDATA_RACE (and 33 more)] === [2022-11-22 01:11:26,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:26,118 INFO L85 PathProgramCache]: Analyzing trace with hash -963049786, now seen corresponding path program 1 times [2022-11-22 01:11:26,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:26,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004886898] [2022-11-22 01:11:26,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:26,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:11:26,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:11:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:11:26,229 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:11:26,230 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:11:26,231 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (36 of 37 remaining) [2022-11-22 01:11:26,233 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 37 remaining) [2022-11-22 01:11:26,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (34 of 37 remaining) [2022-11-22 01:11:26,235 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (33 of 37 remaining) [2022-11-22 01:11:26,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (32 of 37 remaining) [2022-11-22 01:11:26,236 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 37 remaining) [2022-11-22 01:11:26,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (30 of 37 remaining) [2022-11-22 01:11:26,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (29 of 37 remaining) [2022-11-22 01:11:26,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (28 of 37 remaining) [2022-11-22 01:11:26,237 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (27 of 37 remaining) [2022-11-22 01:11:26,238 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 37 remaining) [2022-11-22 01:11:26,240 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 37 remaining) [2022-11-22 01:11:26,243 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 37 remaining) [2022-11-22 01:11:26,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (23 of 37 remaining) [2022-11-22 01:11:26,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (22 of 37 remaining) [2022-11-22 01:11:26,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (21 of 37 remaining) [2022-11-22 01:11:26,244 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (20 of 37 remaining) [2022-11-22 01:11:26,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (19 of 37 remaining) [2022-11-22 01:11:26,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (18 of 37 remaining) [2022-11-22 01:11:26,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (17 of 37 remaining) [2022-11-22 01:11:26,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 37 remaining) [2022-11-22 01:11:26,245 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (15 of 37 remaining) [2022-11-22 01:11:26,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 37 remaining) [2022-11-22 01:11:26,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (13 of 37 remaining) [2022-11-22 01:11:26,246 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (12 of 37 remaining) [2022-11-22 01:11:26,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (11 of 37 remaining) [2022-11-22 01:11:26,247 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (10 of 37 remaining) [2022-11-22 01:11:26,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (9 of 37 remaining) [2022-11-22 01:11:26,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (8 of 37 remaining) [2022-11-22 01:11:26,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (7 of 37 remaining) [2022-11-22 01:11:26,248 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (6 of 37 remaining) [2022-11-22 01:11:26,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (5 of 37 remaining) [2022-11-22 01:11:26,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (4 of 37 remaining) [2022-11-22 01:11:26,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (3 of 37 remaining) [2022-11-22 01:11:26,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 37 remaining) [2022-11-22 01:11:26,249 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (1 of 37 remaining) [2022-11-22 01:11:26,250 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 37 remaining) [2022-11-22 01:11:26,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:11:26,253 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 01:11:26,255 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-22 01:11:26,255 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-22 01:11:26,444 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-22 01:11:26,455 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:11:26,455 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 236 places, 246 transitions, 504 flow [2022-11-22 01:11:26,456 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 236 places, 246 transitions, 504 flow [2022-11-22 01:11:26,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 236 places, 246 transitions, 504 flow [2022-11-22 01:11:26,582 INFO L130 PetriNetUnfolder]: 17/270 cut-off events. [2022-11-22 01:11:26,583 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:11:26,591 INFO L83 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 270 events. 17/270 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1036 event pairs, 0 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 221. Up to 6 conditions per place. [2022-11-22 01:11:26,607 INFO L119 LiptonReduction]: Number of co-enabled transitions 27664 [2022-11-22 01:12:49,805 WARN L233 SmtUtils]: Spent 38.21s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:13:05,722 WARN L233 SmtUtils]: Spent 15.92s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:13:37,064 WARN L233 SmtUtils]: Spent 31.34s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:13:52,288 WARN L233 SmtUtils]: Spent 15.22s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:15:27,443 WARN L233 SmtUtils]: Spent 33.84s on a formula simplification. DAG size of input: 137 DAG size of output: 124 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:15:42,554 WARN L233 SmtUtils]: Spent 15.11s on a formula simplification that was a NOOP. DAG size: 124 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:16:15,700 WARN L233 SmtUtils]: Spent 33.14s on a formula simplification. DAG size of input: 150 DAG size of output: 131 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:16:30,246 WARN L233 SmtUtils]: Spent 14.54s on a formula simplification that was a NOOP. DAG size: 131 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:18:08,994 WARN L233 SmtUtils]: Spent 32.84s on a formula simplification. DAG size of input: 132 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:18:25,935 WARN L233 SmtUtils]: Spent 16.94s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:18:59,035 WARN L233 SmtUtils]: Spent 33.10s on a formula simplification. DAG size of input: 154 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:19:17,631 WARN L233 SmtUtils]: Spent 18.59s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:19:34,820 WARN L233 SmtUtils]: Spent 15.48s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:19:49,622 WARN L233 SmtUtils]: Spent 14.80s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:20:07,390 WARN L233 SmtUtils]: Spent 17.77s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:20:24,882 WARN L233 SmtUtils]: Spent 17.49s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:21:02,065 WARN L233 SmtUtils]: Spent 33.30s on a formula simplification. DAG size of input: 132 DAG size of output: 125 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:21:19,200 WARN L233 SmtUtils]: Spent 17.13s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:22:01,106 WARN L233 SmtUtils]: Spent 41.90s on a formula simplification. DAG size of input: 154 DAG size of output: 135 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:22:23,846 WARN L233 SmtUtils]: Spent 22.74s on a formula simplification that was a NOOP. DAG size: 135 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:22:43,466 WARN L233 SmtUtils]: Spent 16.23s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:22:58,086 WARN L233 SmtUtils]: Spent 14.62s on a formula simplification that was a NOOP. DAG size: 127 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-22 01:23:16,911 WARN L233 SmtUtils]: Spent 18.82s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)