./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/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_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/unroll-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/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_19bc2cee-286f-431f-81bd-ad4ef386fa60/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 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf --- 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 01:40:07,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:40:07,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:40:07,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:40:07,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:40:07,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:40:07,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:40:07,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:40:07,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:40:07,209 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:40:07,211 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:40:07,213 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:40:07,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:40:07,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:40:07,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:40:07,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:40:07,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:40:07,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:40:07,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:40:07,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:40:07,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:40:07,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:40:07,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:40:07,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:40:07,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:40:07,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:40:07,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:40:07,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:40:07,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:40:07,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:40:07,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:40:07,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:40:07,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:40:07,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:40:07,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:40:07,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:40:07,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:40:07,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:40:07,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:40:07,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:40:07,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:40:07,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 01:40:07,334 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:40:07,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:40:07,336 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:40:07,336 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:40:07,337 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:40:07,338 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:40:07,338 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:40:07,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:40:07,339 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:40:07,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:40:07,341 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:40:07,341 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:40:07,341 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:40:07,342 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:40:07,342 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:40:07,342 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:40:07,343 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:40:07,343 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:40:07,344 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:40:07,344 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:40:07,345 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:40:07,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:40:07,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:40:07,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:40:07,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:40:07,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:40:07,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:40:07,347 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 01:40:07,348 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:40:07,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:40:07,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:40:07,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:40:07,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:40:07,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:40:07,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:40:07,350 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:40:07,351 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:40:07,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:40:07,351 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:40:07,351 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:40:07,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:40:07,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:40:07,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:40:07,354 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_19bc2cee-286f-431f-81bd-ad4ef386fa60/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5393d9cf3b7cc0865f031a716dd61208c034931418b29464b30da9c6eaf669bf [2022-11-22 01:40:07,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:40:07,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:40:07,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:40:07,811 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:40:07,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:40:07,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/weaver/unroll-2.wvr.c [2022-11-22 01:40:11,204 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:40:11,464 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:40:11,464 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/sv-benchmarks/c/weaver/unroll-2.wvr.c [2022-11-22 01:40:11,470 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/data/e48259a6c/bf9e6e4f03de4e84b8a0a44cfb19cef0/FLAGa6313d4e4 [2022-11-22 01:40:11,485 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/data/e48259a6c/bf9e6e4f03de4e84b8a0a44cfb19cef0 [2022-11-22 01:40:11,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:40:11,489 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:40:11,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:40:11,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:40:11,495 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:40:11,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9d0101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11, skipping insertion in model container [2022-11-22 01:40:11,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:40:11,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:40:11,767 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_19bc2cee-286f-431f-81bd-ad4ef386fa60/sv-benchmarks/c/weaver/unroll-2.wvr.c[2428,2441] [2022-11-22 01:40:11,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:40:11,784 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:40:11,816 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_19bc2cee-286f-431f-81bd-ad4ef386fa60/sv-benchmarks/c/weaver/unroll-2.wvr.c[2428,2441] [2022-11-22 01:40:11,821 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:40:11,840 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:40:11,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11 WrapperNode [2022-11-22 01:40:11,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:40:11,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:40:11,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:40:11,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:40:11,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,948 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 246 [2022-11-22 01:40:11,949 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:40:11,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:40:11,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:40:11,950 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:40:11,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:11,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:12,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:12,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:12,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:12,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:12,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:40:12,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:40:12,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:40:12,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:40:12,041 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (1/1) ... [2022-11-22 01:40:12,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:40:12,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:40:12,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:40:12,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:40:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:40:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-22 01:40:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-22 01:40:12,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-22 01:40:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-22 01:40:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:40:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:40:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:40:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:40:12,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:40:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:40:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:40:12,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:40:12,142 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 01:40:12,334 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:40:12,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:40:12,982 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:40:12,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:40:12,994 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-22 01:40:13,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:13 BoogieIcfgContainer [2022-11-22 01:40:13,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:40:13,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:40:13,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:40:13,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:40:13,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:40:11" (1/3) ... [2022-11-22 01:40:13,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82c6bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:40:13, skipping insertion in model container [2022-11-22 01:40:13,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:40:11" (2/3) ... [2022-11-22 01:40:13,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@82c6bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:40:13, skipping insertion in model container [2022-11-22 01:40:13,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:13" (3/3) ... [2022-11-22 01:40:13,021 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2022-11-22 01:40:13,031 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:40:13,042 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:40:13,042 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-11-22 01:40:13,042 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:40:13,195 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-22 01:40:13,317 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:40:13,341 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 309 places, 319 transitions, 654 flow [2022-11-22 01:40:13,351 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 309 places, 319 transitions, 654 flow [2022-11-22 01:40:13,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 309 places, 319 transitions, 654 flow [2022-11-22 01:40:13,629 INFO L130 PetriNetUnfolder]: 17/317 cut-off events. [2022-11-22 01:40:13,644 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-22 01:40:13,665 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 317 events. 17/317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 501 event pairs, 0 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 176. Up to 2 conditions per place. [2022-11-22 01:40:13,690 INFO L119 LiptonReduction]: Number of co-enabled transitions 15876 [2022-11-22 01:40:26,772 INFO L134 LiptonReduction]: Checked pairs total: 57831 [2022-11-22 01:40:26,774 INFO L136 LiptonReduction]: Total number of compositions: 398 [2022-11-22 01:40:26,784 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 90 transitions, 196 flow [2022-11-22 01:40:27,061 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 4904 states, 4592 states have (on average 3.1931620209059233) internal successors, (14663), 4903 states have internal predecessors, (14663), 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 01:40:27,079 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:40:27,088 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;@30952d08, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:40:27,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 59 error locations. [2022-11-22 01:40:27,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 4904 states, 4592 states have (on average 3.1931620209059233) internal successors, (14663), 4903 states have internal predecessors, (14663), 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 01:40:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:40:27,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:27,116 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:40:27,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-22 01:40:27,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:27,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1247, now seen corresponding path program 1 times [2022-11-22 01:40:27,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:27,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222820686] [2022-11-22 01:40:27,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:27,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:27,261 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 01:40:27,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:27,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222820686] [2022-11-22 01:40:27,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222820686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:27,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:27,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 01:40:27,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129853437] [2022-11-22 01:40:27,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:27,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 01:40:27,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:27,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 01:40:27,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:40:27,318 INFO L87 Difference]: Start difference. First operand has 4904 states, 4592 states have (on average 3.1931620209059233) internal successors, (14663), 4903 states have internal predecessors, (14663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:27,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:40:27,452 INFO L93 Difference]: Finished difference Result 1990 states and 5537 transitions. [2022-11-22 01:40:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 01:40:27,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-22 01:40:27,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:40:27,485 INFO L225 Difference]: With dead ends: 1990 [2022-11-22 01:40:27,485 INFO L226 Difference]: Without dead ends: 1987 [2022-11-22 01:40:27,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 01:40:27,490 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:40:27,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:40:27,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2022-11-22 01:40:27,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1987. [2022-11-22 01:40:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1973 states have (on average 2.8038520020273694) internal successors, (5532), 1986 states have internal predecessors, (5532), 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 01:40:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 5532 transitions. [2022-11-22 01:40:27,678 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 5532 transitions. Word has length 1 [2022-11-22 01:40:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:40:27,678 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 5532 transitions. [2022-11-22 01:40:27,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:27,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 5532 transitions. [2022-11-22 01:40:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:40:27,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:27,680 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:40:27,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:40:27,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-22 01:40:27,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:27,681 INFO L85 PathProgramCache]: Analyzing trace with hash 2064100123, now seen corresponding path program 1 times [2022-11-22 01:40:27,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:27,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862182843] [2022-11-22 01:40:27,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:27,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:28,034 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 01:40:28,034 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:28,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862182843] [2022-11-22 01:40:28,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862182843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:28,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:28,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:40:28,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274631732] [2022-11-22 01:40:28,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:28,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:40:28,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:28,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:40:28,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:40:28,038 INFO L87 Difference]: Start difference. First operand 1987 states and 5532 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:28,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:40:28,146 INFO L93 Difference]: Finished difference Result 1988 states and 5533 transitions. [2022-11-22 01:40:28,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:40:28,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:40:28,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:40:28,160 INFO L225 Difference]: With dead ends: 1988 [2022-11-22 01:40:28,161 INFO L226 Difference]: Without dead ends: 1988 [2022-11-22 01:40:28,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:40:28,163 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:40:28,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:40:28,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2022-11-22 01:40:28,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1988. [2022-11-22 01:40:28,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1988 states, 1974 states have (on average 2.802938196555218) internal successors, (5533), 1987 states have internal predecessors, (5533), 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 01:40:28,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1988 states to 1988 states and 5533 transitions. [2022-11-22 01:40:28,241 INFO L78 Accepts]: Start accepts. Automaton has 1988 states and 5533 transitions. Word has length 9 [2022-11-22 01:40:28,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:40:28,241 INFO L495 AbstractCegarLoop]: Abstraction has 1988 states and 5533 transitions. [2022-11-22 01:40:28,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 5533 transitions. [2022-11-22 01:40:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 01:40:28,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:28,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:40:28,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:40:28,244 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-22 01:40:28,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:28,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1422690694, now seen corresponding path program 1 times [2022-11-22 01:40:28,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:28,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80476189] [2022-11-22 01:40:28,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:28,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:28,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:40:28,669 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:28,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80476189] [2022-11-22 01:40:28,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80476189] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:28,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:28,670 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:40:28,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493013111] [2022-11-22 01:40:28,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:28,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:40:28,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:28,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:40:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:28,672 INFO L87 Difference]: Start difference. First operand 1988 states and 5533 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 01:40:29,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:40:29,073 INFO L93 Difference]: Finished difference Result 1728 states and 4753 transitions. [2022-11-22 01:40:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:40:29,074 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2022-11-22 01:40:29,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:40:29,085 INFO L225 Difference]: With dead ends: 1728 [2022-11-22 01:40:29,085 INFO L226 Difference]: Without dead ends: 1728 [2022-11-22 01:40:29,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:29,087 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 63 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:40:29,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 45 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 01:40:29,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2022-11-22 01:40:29,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 1728. [2022-11-22 01:40:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1728 states, 1720 states have (on average 2.7633720930232557) internal successors, (4753), 1727 states have internal predecessors, (4753), 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 01:40:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1728 states to 1728 states and 4753 transitions. [2022-11-22 01:40:29,152 INFO L78 Accepts]: Start accepts. Automaton has 1728 states and 4753 transitions. Word has length 10 [2022-11-22 01:40:29,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:40:29,152 INFO L495 AbstractCegarLoop]: Abstraction has 1728 states and 4753 transitions. [2022-11-22 01:40:29,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 01:40:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 4753 transitions. [2022-11-22 01:40:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:40:29,157 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:29,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:40:29,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:40:29,158 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-22 01:40:29,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:29,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1224905512, now seen corresponding path program 1 times [2022-11-22 01:40:29,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:29,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010662143] [2022-11-22 01:40:29,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:40:29,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:29,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010662143] [2022-11-22 01:40:29,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010662143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:29,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:29,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:40:29,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146627558] [2022-11-22 01:40:29,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:29,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:40:29,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:29,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:40:29,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:29,553 INFO L87 Difference]: Start difference. First operand 1728 states and 4753 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 01:40:29,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:40:29,891 INFO L93 Difference]: Finished difference Result 1606 states and 4409 transitions. [2022-11-22 01:40:29,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:40:29,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2022-11-22 01:40:29,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:40:29,916 INFO L225 Difference]: With dead ends: 1606 [2022-11-22 01:40:29,916 INFO L226 Difference]: Without dead ends: 1606 [2022-11-22 01:40:29,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:29,922 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 39 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:40:29,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 40 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:40:29,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2022-11-22 01:40:30,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2022-11-22 01:40:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1601 states have (on average 2.753903810118676) internal successors, (4409), 1605 states have internal predecessors, (4409), 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 01:40:30,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 4409 transitions. [2022-11-22 01:40:30,035 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 4409 transitions. Word has length 14 [2022-11-22 01:40:30,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:40:30,036 INFO L495 AbstractCegarLoop]: Abstraction has 1606 states and 4409 transitions. [2022-11-22 01:40:30,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 01:40:30,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 4409 transitions. [2022-11-22 01:40:30,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:40:30,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:30,039 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:40:30,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:40:30,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-22 01:40:30,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:30,040 INFO L85 PathProgramCache]: Analyzing trace with hash 714976563, now seen corresponding path program 1 times [2022-11-22 01:40:30,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:30,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022214118] [2022-11-22 01:40:30,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:30,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:30,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:40:30,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:30,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022214118] [2022-11-22 01:40:30,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022214118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:30,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:30,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:40:30,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260702482] [2022-11-22 01:40:30,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:30,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:40:30,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:30,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:40:30,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:30,362 INFO L87 Difference]: Start difference. First operand 1606 states and 4409 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:30,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:40:30,693 INFO L93 Difference]: Finished difference Result 1448 states and 3973 transitions. [2022-11-22 01:40:30,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:40:30,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 01:40:30,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:40:30,702 INFO L225 Difference]: With dead ends: 1448 [2022-11-22 01:40:30,702 INFO L226 Difference]: Without dead ends: 1414 [2022-11-22 01:40:30,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:30,704 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 33 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:40:30,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 37 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:40:30,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1414 states. [2022-11-22 01:40:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1414 to 1414. [2022-11-22 01:40:30,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1414 states, 1413 states have (on average 2.7636234961075727) internal successors, (3905), 1413 states have internal predecessors, (3905), 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 01:40:30,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1414 states and 3905 transitions. [2022-11-22 01:40:30,746 INFO L78 Accepts]: Start accepts. Automaton has 1414 states and 3905 transitions. Word has length 15 [2022-11-22 01:40:30,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:40:30,747 INFO L495 AbstractCegarLoop]: Abstraction has 1414 states and 3905 transitions. [2022-11-22 01:40:30,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:30,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 3905 transitions. [2022-11-22 01:40:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 01:40:30,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:40:30,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:40:30,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:40:30,751 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 55 more)] === [2022-11-22 01:40:30,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:40:30,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1260740068, now seen corresponding path program 1 times [2022-11-22 01:40:30,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:40:30,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311714259] [2022-11-22 01:40:30,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:40:30,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:40:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:40:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:40:31,026 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:40:31,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311714259] [2022-11-22 01:40:31,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311714259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:40:31,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:40:31,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 01:40:31,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456102057] [2022-11-22 01:40:31,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:40:31,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:40:31,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:40:31,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:40:31,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:31,029 INFO L87 Difference]: Start difference. First operand 1414 states and 3905 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:31,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:40:31,267 INFO L93 Difference]: Finished difference Result 1396 states and 3869 transitions. [2022-11-22 01:40:31,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 01:40:31,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-22 01:40:31,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:40:31,268 INFO L225 Difference]: With dead ends: 1396 [2022-11-22 01:40:31,269 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:40:31,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:40:31,270 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 30 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:40:31,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 42 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 01:40:31,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:40:31,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:40:31,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:40:31,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-22 01:40:31,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:40:31,272 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:40:31,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:40:31,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:40:31,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:40:31,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (58 of 59 remaining) [2022-11-22 01:40:31,277 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (57 of 59 remaining) [2022-11-22 01:40:31,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (56 of 59 remaining) [2022-11-22 01:40:31,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (55 of 59 remaining) [2022-11-22 01:40:31,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (54 of 59 remaining) [2022-11-22 01:40:31,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (53 of 59 remaining) [2022-11-22 01:40:31,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (52 of 59 remaining) [2022-11-22 01:40:31,279 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 59 remaining) [2022-11-22 01:40:31,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (50 of 59 remaining) [2022-11-22 01:40:31,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (49 of 59 remaining) [2022-11-22 01:40:31,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (48 of 59 remaining) [2022-11-22 01:40:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (47 of 59 remaining) [2022-11-22 01:40:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (46 of 59 remaining) [2022-11-22 01:40:31,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (45 of 59 remaining) [2022-11-22 01:40:31,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (44 of 59 remaining) [2022-11-22 01:40:31,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (43 of 59 remaining) [2022-11-22 01:40:31,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (42 of 59 remaining) [2022-11-22 01:40:31,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (41 of 59 remaining) [2022-11-22 01:40:31,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (40 of 59 remaining) [2022-11-22 01:40:31,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (39 of 59 remaining) [2022-11-22 01:40:31,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (38 of 59 remaining) [2022-11-22 01:40:31,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (37 of 59 remaining) [2022-11-22 01:40:31,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (36 of 59 remaining) [2022-11-22 01:40:31,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 59 remaining) [2022-11-22 01:40:31,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 59 remaining) [2022-11-22 01:40:31,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 59 remaining) [2022-11-22 01:40:31,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 59 remaining) [2022-11-22 01:40:31,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (31 of 59 remaining) [2022-11-22 01:40:31,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (30 of 59 remaining) [2022-11-22 01:40:31,286 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 59 remaining) [2022-11-22 01:40:31,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 59 remaining) [2022-11-22 01:40:31,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 59 remaining) [2022-11-22 01:40:31,287 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 59 remaining) [2022-11-22 01:40:31,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 59 remaining) [2022-11-22 01:40:31,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 59 remaining) [2022-11-22 01:40:31,288 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 59 remaining) [2022-11-22 01:40:31,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 59 remaining) [2022-11-22 01:40:31,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 59 remaining) [2022-11-22 01:40:31,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 59 remaining) [2022-11-22 01:40:31,289 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 59 remaining) [2022-11-22 01:40:31,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 59 remaining) [2022-11-22 01:40:31,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 59 remaining) [2022-11-22 01:40:31,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 59 remaining) [2022-11-22 01:40:31,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 59 remaining) [2022-11-22 01:40:31,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (14 of 59 remaining) [2022-11-22 01:40:31,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (13 of 59 remaining) [2022-11-22 01:40:31,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (12 of 59 remaining) [2022-11-22 01:40:31,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (11 of 59 remaining) [2022-11-22 01:40:31,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (10 of 59 remaining) [2022-11-22 01:40:31,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (9 of 59 remaining) [2022-11-22 01:40:31,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (8 of 59 remaining) [2022-11-22 01:40:31,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 59 remaining) [2022-11-22 01:40:31,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (6 of 59 remaining) [2022-11-22 01:40:31,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (5 of 59 remaining) [2022-11-22 01:40:31,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (4 of 59 remaining) [2022-11-22 01:40:31,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (3 of 59 remaining) [2022-11-22 01:40:31,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (2 of 59 remaining) [2022-11-22 01:40:31,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (1 of 59 remaining) [2022-11-22 01:40:31,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (0 of 59 remaining) [2022-11-22 01:40:31,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:40:31,299 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-22 01:40:31,306 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:40:31,307 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:40:31,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:40:31 BasicIcfg [2022-11-22 01:40:31,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:40:31,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:40:31,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:40:31,313 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:40:31,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:40:13" (3/4) ... [2022-11-22 01:40:31,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:40:31,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-22 01:40:31,323 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-22 01:40:31,332 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-22 01:40:31,332 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 01:40:31,333 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:40:31,333 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:40:31,393 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:40:31,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:40:31,394 INFO L158 Benchmark]: Toolchain (without parser) took 19905.03ms. Allocated memory was 125.8MB in the beginning and 272.6MB in the end (delta: 146.8MB). Free memory was 68.3MB in the beginning and 191.2MB in the end (delta: -122.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 01:40:31,395 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:40:31,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.92ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 68.1MB in the beginning and 152.2MB in the end (delta: -84.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-22 01:40:31,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.91ms. Allocated memory is still 184.5MB. Free memory was 152.1MB in the beginning and 153.0MB in the end (delta: -816.6kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2022-11-22 01:40:31,396 INFO L158 Benchmark]: Boogie Preprocessor took 89.59ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:40:31,397 INFO L158 Benchmark]: RCFGBuilder took 971.34ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 125.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-22 01:40:31,398 INFO L158 Benchmark]: TraceAbstraction took 18297.55ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 124.9MB in the beginning and 194.4MB in the end (delta: -69.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-22 01:40:31,398 INFO L158 Benchmark]: Witness Printer took 81.93ms. Allocated memory is still 272.6MB. Free memory was 194.4MB in the beginning and 191.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:40:31,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.92ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 68.1MB in the beginning and 152.2MB in the end (delta: -84.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.91ms. Allocated memory is still 184.5MB. Free memory was 152.1MB in the beginning and 153.0MB in the end (delta: -816.6kB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.59ms. Allocated memory is still 184.5MB. Free memory was 153.0MB in the beginning and 150.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 971.34ms. Allocated memory is still 184.5MB. Free memory was 150.9MB in the beginning and 125.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 18297.55ms. Allocated memory was 184.5MB in the beginning and 272.6MB in the end (delta: 88.1MB). Free memory was 124.9MB in the beginning and 194.4MB in the end (delta: -69.4MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 81.93ms. Allocated memory is still 272.6MB. Free memory was 194.4MB in the beginning and 191.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.4s, 309 PlacesBefore, 89 PlacesAfterwards, 319 TransitionsBefore, 90 TransitionsAfterwards, 15876 CoEnabledTransitionPairs, 11 FixpointIterations, 145 TrivialSequentialCompositions, 199 ConcurrentSequentialCompositions, 22 TrivialYvCompositions, 23 ConcurrentYvCompositions, 9 ChoiceCompositions, 398 TotalNumberOfCompositions, 57831 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31693, independent: 30823, independent conditional: 0, independent unconditional: 30823, dependent: 870, dependent conditional: 0, dependent unconditional: 870, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12789, independent: 12644, independent conditional: 0, independent unconditional: 12644, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12789, independent: 11920, independent conditional: 0, independent unconditional: 11920, dependent: 869, dependent conditional: 0, dependent unconditional: 869, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 869, independent: 724, independent conditional: 0, independent unconditional: 724, dependent: 145, dependent conditional: 0, dependent unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2113, independent: 1639, independent conditional: 0, independent unconditional: 1639, dependent: 474, dependent conditional: 0, dependent unconditional: 474, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31693, independent: 18179, independent conditional: 0, independent unconditional: 18179, dependent: 725, dependent conditional: 0, dependent unconditional: 725, unknown: 12789, unknown conditional: 0, unknown unconditional: 12789] , Statistics on independence cache: Total cache size (in pairs): 1531, Positive cache size: 1471, Positive conditional cache size: 0, Positive unconditional cache size: 1471, Negative cache size: 60, Negative conditional cache size: 0, Negative unconditional cache size: 60, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 450 locations, 59 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 165 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 77 mSDsCounter, 191 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 863 IncrementalHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 191 mSolverCounterUnsat, 156 mSDtfsCounter, 863 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4904occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-22 01:40:31,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19bc2cee-286f-431f-81bd-ad4ef386fa60/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE