./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS --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 795c382fbb0026f2f6f7212254176553809c7311a8058a10cea47f6b1b03373b --- 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-8393723 [2022-11-19 06:36:04,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:36:04,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:36:04,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:36:04,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:36:04,361 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:36:04,363 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:36:04,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:36:04,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:36:04,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:36:04,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:36:04,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:36:04,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:36:04,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:36:04,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:36:04,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:36:04,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:36:04,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:36:04,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:36:04,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:36:04,382 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:36:04,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:36:04,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:36:04,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:36:04,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:36:04,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:36:04,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:36:04,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:36:04,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:36:04,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:36:04,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:36:04,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:36:04,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:36:04,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:36:04,397 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:36:04,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:36:04,398 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:36:04,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:36:04,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:36:04,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:36:04,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:36:04,402 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 06:36:04,425 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:36:04,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:36:04,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:36:04,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:36:04,427 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:36:04,427 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:36:04,427 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:36:04,428 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:36:04,428 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:36:04,428 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:36:04,429 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:36:04,429 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:36:04,429 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:36:04,429 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:36:04,430 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:36:04,430 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:36:04,430 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:36:04,430 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:36:04,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:36:04,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 06:36:04,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 06:36:04,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:36:04,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 06:36:04,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:36:04,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:36:04,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:36:04,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:36:04,434 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 06:36:04,434 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 06:36:04,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:36:04,434 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:36:04,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:36:04,435 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:36:04,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:36:04,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:36:04,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:36:04,436 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:36:04,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:36:04,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:36:04,437 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:36:04,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:36:04,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:36:04,437 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:36:04,438 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_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 795c382fbb0026f2f6f7212254176553809c7311a8058a10cea47f6b1b03373b [2022-11-19 06:36:04,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:36:04,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:36:04,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:36:04,768 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:36:04,769 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:36:04,770 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2022-11-19 06:36:04,890 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/data/50f6a55e7/7c5d4db02dbf4c3eb9f3935da1a7aff4/FLAGbd8e9cb2c [2022-11-19 06:36:05,433 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:36:05,434 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c [2022-11-19 06:36:05,444 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/data/50f6a55e7/7c5d4db02dbf4c3eb9f3935da1a7aff4/FLAGbd8e9cb2c [2022-11-19 06:36:05,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/data/50f6a55e7/7c5d4db02dbf4c3eb9f3935da1a7aff4 [2022-11-19 06:36:05,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:36:05,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:36:05,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:36:05,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:36:05,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:36:05,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:05" (1/1) ... [2022-11-19 06:36:05,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b72cfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:05, skipping insertion in model container [2022-11-19 06:36:05,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:36:05" (1/1) ... [2022-11-19 06:36:05,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:36:05,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:36:06,111 WARN L234 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_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c[3034,3047] [2022-11-19 06:36:06,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:36:06,126 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:36:06,160 WARN L234 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_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/sv-benchmarks/c/weaver/chl-chromosome-trans.wvr.c[3034,3047] [2022-11-19 06:36:06,165 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:36:06,179 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:36:06,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06 WrapperNode [2022-11-19 06:36:06,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:36:06,181 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:36:06,181 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:36:06,181 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:36:06,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,242 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 16, calls inlined = 24, statements flattened = 459 [2022-11-19 06:36:06,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:36:06,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:36:06,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:36:06,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:36:06,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:36:06,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:36:06,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:36:06,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:36:06,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (1/1) ... [2022-11-19 06:36:06,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:36:06,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:06,372 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:36:06,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:36:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:36:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:36:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:36:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:36:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 06:36:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 06:36:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 06:36:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 06:36:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-19 06:36:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-19 06:36:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:36:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:36:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:36:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:36:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:36:06,436 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 06:36:06,593 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:36:06,596 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:36:07,629 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:36:07,643 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:36:07,643 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-19 06:36:07,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:07 BoogieIcfgContainer [2022-11-19 06:36:07,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:36:07,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:36:07,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:36:07,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:36:07,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:36:05" (1/3) ... [2022-11-19 06:36:07,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d190ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:36:07, skipping insertion in model container [2022-11-19 06:36:07,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:36:06" (2/3) ... [2022-11-19 06:36:07,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77d190ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:36:07, skipping insertion in model container [2022-11-19 06:36:07,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:07" (3/3) ... [2022-11-19 06:36:07,655 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-trans.wvr.c [2022-11-19 06:36:07,664 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 06:36:07,674 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:36:07,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2022-11-19 06:36:07,674 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 06:36:07,861 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-19 06:36:07,908 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 06:36:07,929 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 573 places, 596 transitions, 1216 flow [2022-11-19 06:36:07,940 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 573 places, 596 transitions, 1216 flow [2022-11-19 06:36:07,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 573 places, 596 transitions, 1216 flow [2022-11-19 06:36:08,243 INFO L130 PetriNetUnfolder]: 33/593 cut-off events. [2022-11-19 06:36:08,243 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-19 06:36:08,265 INFO L83 FinitePrefix]: Finished finitePrefix Result has 606 conditions, 593 events. 33/593 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1312 event pairs, 0 based on Foata normal form. 0/512 useless extension candidates. Maximal degree in co-relation 426. Up to 2 conditions per place. [2022-11-19 06:36:08,300 INFO L119 LiptonReduction]: Number of co-enabled transitions 78486 [2022-11-19 06:36:31,553 INFO L134 LiptonReduction]: Checked pairs total: 278665 [2022-11-19 06:36:31,553 INFO L136 LiptonReduction]: Total number of compositions: 743 [2022-11-19 06:36:31,563 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 136 places, 133 transitions, 290 flow [2022-11-19 06:36:37,304 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 154762 states, 151139 states have (on average 3.942324615089421) internal successors, (595839), 154761 states have internal predecessors, (595839), 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) [2022-11-19 06:36:37,352 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:36:37,373 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;@21261ca5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:36:37,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2022-11-19 06:36:37,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 154762 states, 151139 states have (on average 3.942324615089421) internal successors, (595839), 154761 states have internal predecessors, (595839), 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) [2022-11-19 06:36:37,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-19 06:36:37,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:37,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1] [2022-11-19 06:36:37,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:36:37,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:37,710 INFO L85 PathProgramCache]: Analyzing trace with hash 75198, now seen corresponding path program 1 times [2022-11-19 06:36:37,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:37,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577289601] [2022-11-19 06:36:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:37,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:36:38,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:38,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577289601] [2022-11-19 06:36:38,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577289601] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:38,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:38,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 06:36:38,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160525569] [2022-11-19 06:36:38,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:38,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 06:36:38,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:38,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 06:36:38,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:36:38,909 INFO L87 Difference]: Start difference. First operand has 154762 states, 151139 states have (on average 3.942324615089421) internal successors, (595839), 154761 states have internal predecessors, (595839), 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 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-19 06:36:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:40,961 INFO L93 Difference]: Finished difference Result 48406 states and 183810 transitions. [2022-11-19 06:36:40,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 06:36:40,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2022-11-19 06:36:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:41,474 INFO L225 Difference]: With dead ends: 48406 [2022-11-19 06:36:41,475 INFO L226 Difference]: Without dead ends: 48403 [2022-11-19 06:36:41,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 06:36:41,481 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:41,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:36:41,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48403 states. [2022-11-19 06:36:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48403 to 48403. [2022-11-19 06:36:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48403 states, 48338 states have (on average 3.802494931523853) internal successors, (183805), 48402 states have internal predecessors, (183805), 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) [2022-11-19 06:36:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48403 states to 48403 states and 183805 transitions. [2022-11-19 06:36:44,509 INFO L78 Accepts]: Start accepts. Automaton has 48403 states and 183805 transitions. Word has length 2 [2022-11-19 06:36:44,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:44,510 INFO L495 AbstractCegarLoop]: Abstraction has 48403 states and 183805 transitions. [2022-11-19 06:36:44,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2022-11-19 06:36:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 48403 states and 183805 transitions. [2022-11-19 06:36:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 06:36:44,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:44,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:44,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:36:44,521 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:36:44,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:44,522 INFO L85 PathProgramCache]: Analyzing trace with hash -136081833, now seen corresponding path program 1 times [2022-11-19 06:36:44,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:44,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785575825] [2022-11-19 06:36:44,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:44,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 06:36:44,756 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:44,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785575825] [2022-11-19 06:36:44,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785575825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:44,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:44,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 06:36:44,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027925160] [2022-11-19 06:36:44,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:44,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:44,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:44,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:44,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:44,764 INFO L87 Difference]: Start difference. First operand 48403 states and 183805 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-19 06:36:45,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:45,862 INFO L93 Difference]: Finished difference Result 48406 states and 183808 transitions. [2022-11-19 06:36:45,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:45,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2022-11-19 06:36:45,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:46,265 INFO L225 Difference]: With dead ends: 48406 [2022-11-19 06:36:46,265 INFO L226 Difference]: Without dead ends: 48406 [2022-11-19 06:36:46,267 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 [2022-11-19 06:36:46,268 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:46,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 06:36:46,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48406 states. [2022-11-19 06:36:48,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48406 to 48406. [2022-11-19 06:36:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48406 states, 48341 states have (on average 3.8023210111499557) internal successors, (183808), 48405 states have internal predecessors, (183808), 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) [2022-11-19 06:36:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48406 states to 48406 states and 183808 transitions. [2022-11-19 06:36:49,058 INFO L78 Accepts]: Start accepts. Automaton has 48406 states and 183808 transitions. Word has length 13 [2022-11-19 06:36:49,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:49,058 INFO L495 AbstractCegarLoop]: Abstraction has 48406 states and 183808 transitions. [2022-11-19 06:36:49,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-19 06:36:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 48406 states and 183808 transitions. [2022-11-19 06:36:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 06:36:49,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:49,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:49,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:36:49,061 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:36:49,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:49,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1272995926, now seen corresponding path program 1 times [2022-11-19 06:36:49,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:49,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367492044] [2022-11-19 06:36:49,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:49,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:49,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:36:49,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:49,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367492044] [2022-11-19 06:36:49,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367492044] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:36:49,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716965734] [2022-11-19 06:36:49,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:49,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:49,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:49,339 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:36:49,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:36:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:49,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 06:36:49,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:36:49,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:36:49,548 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:36:49,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 06:36:49,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716965734] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:36:49,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [469674917] [2022-11-19 06:36:49,581 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 06:36:49,583 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:36:49,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2022-11-19 06:36:49,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498736199] [2022-11-19 06:36:49,584 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:36:49,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 06:36:49,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:49,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 06:36:49,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:36:49,586 INFO L87 Difference]: Start difference. First operand 48406 states and 183808 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 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) [2022-11-19 06:36:50,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:50,528 INFO L93 Difference]: Finished difference Result 48415 states and 183817 transitions. [2022-11-19 06:36:50,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:36:50,529 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-19 06:36:50,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:51,032 INFO L225 Difference]: With dead ends: 48415 [2022-11-19 06:36:51,032 INFO L226 Difference]: Without dead ends: 48415 [2022-11-19 06:36:51,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2022-11-19 06:36:51,034 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:51,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:36:51,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48415 states. [2022-11-19 06:36:52,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48415 to 48415. [2022-11-19 06:36:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48415 states, 48350 states have (on average 3.801799379524302) internal successors, (183817), 48414 states have internal predecessors, (183817), 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) [2022-11-19 06:36:53,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48415 states to 48415 states and 183817 transitions. [2022-11-19 06:36:53,403 INFO L78 Accepts]: Start accepts. Automaton has 48415 states and 183817 transitions. Word has length 16 [2022-11-19 06:36:53,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:53,403 INFO L495 AbstractCegarLoop]: Abstraction has 48415 states and 183817 transitions. [2022-11-19 06:36:53,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 7 states have internal predecessors, (22), 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) [2022-11-19 06:36:53,404 INFO L276 IsEmpty]: Start isEmpty. Operand 48415 states and 183817 transitions. [2022-11-19 06:36:53,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-19 06:36:53,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:53,406 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:53,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:36:53,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:53,609 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:36:53,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:53,609 INFO L85 PathProgramCache]: Analyzing trace with hash 286047767, now seen corresponding path program 2 times [2022-11-19 06:36:53,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:53,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113014652] [2022-11-19 06:36:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:53,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 06:36:54,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:54,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113014652] [2022-11-19 06:36:54,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113014652] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:36:54,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368441365] [2022-11-19 06:36:54,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-19 06:36:54,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:54,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:54,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:36:54,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:36:54,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-19 06:36:54,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-19 06:36:54,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-19 06:36:54,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:36:54,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-19 06:36:54,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:54,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:36:54,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:54,993 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-19 06:36:54,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-19 06:36:55,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-11-19 06:36:55,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:36:55,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368441365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:55,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:36:55,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 10 [2022-11-19 06:36:55,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700553015] [2022-11-19 06:36:55,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:55,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 06:36:55,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:55,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 06:36:55,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:36:55,041 INFO L87 Difference]: Start difference. First operand 48415 states and 183817 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:36:56,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:56,122 INFO L93 Difference]: Finished difference Result 41955 states and 157977 transitions. [2022-11-19 06:36:56,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:36:56,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-11-19 06:36:56,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:56,362 INFO L225 Difference]: With dead ends: 41955 [2022-11-19 06:36:56,362 INFO L226 Difference]: Without dead ends: 41955 [2022-11-19 06:36:56,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-19 06:36:56,363 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 158 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:56,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 62 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 06:36:56,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41955 states. [2022-11-19 06:36:57,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41955 to 41955. [2022-11-19 06:36:57,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41955 states, 41917 states have (on average 3.7688050194431852) internal successors, (157977), 41954 states have internal predecessors, (157977), 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) [2022-11-19 06:36:58,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41955 states to 41955 states and 157977 transitions. [2022-11-19 06:36:58,049 INFO L78 Accepts]: Start accepts. Automaton has 41955 states and 157977 transitions. Word has length 25 [2022-11-19 06:36:58,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:58,050 INFO L495 AbstractCegarLoop]: Abstraction has 41955 states and 157977 transitions. [2022-11-19 06:36:58,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:36:58,051 INFO L276 IsEmpty]: Start isEmpty. Operand 41955 states and 157977 transitions. [2022-11-19 06:36:58,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-19 06:36:58,053 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:58,053 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:58,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:36:58,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-11-19 06:36:58,261 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:36:58,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:58,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1987406085, now seen corresponding path program 1 times [2022-11-19 06:36:58,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:58,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586606233] [2022-11-19 06:36:58,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:58,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:58,509 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 06:36:58,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:58,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586606233] [2022-11-19 06:36:58,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586606233] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:36:58,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048757454] [2022-11-19 06:36:58,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:58,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:58,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:58,512 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:36:58,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:36:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:59,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-19 06:36:59,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:36:59,334 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 06:36:59,335 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:36:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-19 06:36:59,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048757454] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:36:59,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [292926569] [2022-11-19 06:36:59,401 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Cannot create path program transition for IcfgForkThreadOtherTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.createPathProgramTransition(PathProgram.java:270) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:177) at java.base/java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1621) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:497) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:266) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:147) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-19 06:36:59,401 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 06:36:59,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2022-11-19 06:36:59,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22214794] [2022-11-19 06:36:59,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 06:36:59,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-19 06:36:59,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:59,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-19 06:36:59,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:36:59,418 INFO L87 Difference]: Start difference. First operand 41955 states and 157977 transitions. Second operand has 12 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:36:59,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:59,902 INFO L93 Difference]: Finished difference Result 41958 states and 157980 transitions. [2022-11-19 06:36:59,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:36:59,903 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2022-11-19 06:36:59,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:00,174 INFO L225 Difference]: With dead ends: 41958 [2022-11-19 06:37:00,175 INFO L226 Difference]: Without dead ends: 41958 [2022-11-19 06:37:00,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2022-11-19 06:37:00,179 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 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 [2022-11-19 06:37:00,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 06:37:00,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41958 states. [2022-11-19 06:37:01,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41958 to 41958. [2022-11-19 06:37:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41958 states, 41920 states have (on average 3.7686068702290076) internal successors, (157980), 41957 states have internal predecessors, (157980), 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) [2022-11-19 06:37:02,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41958 states to 41958 states and 157980 transitions. [2022-11-19 06:37:02,035 INFO L78 Accepts]: Start accepts. Automaton has 41958 states and 157980 transitions. Word has length 27 [2022-11-19 06:37:02,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:02,035 INFO L495 AbstractCegarLoop]: Abstraction has 41958 states and 157980 transitions. [2022-11-19 06:37:02,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.25) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 41958 states and 157980 transitions. [2022-11-19 06:37:02,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 06:37:02,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:02,038 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:02,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 06:37:02,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:37:02,239 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:02,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:02,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1356543758, now seen corresponding path program 2 times [2022-11-19 06:37:02,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:02,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832203828] [2022-11-19 06:37:02,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:02,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:03,079 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:03,079 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:03,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832203828] [2022-11-19 06:37:03,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832203828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:03,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:03,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:03,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198253399] [2022-11-19 06:37:03,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:03,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:03,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:03,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:03,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:03,083 INFO L87 Difference]: Start difference. First operand 41958 states and 157980 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-19 06:37:04,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:04,383 INFO L93 Difference]: Finished difference Result 39980 states and 150433 transitions. [2022-11-19 06:37:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:04,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 30 [2022-11-19 06:37:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:04,544 INFO L225 Difference]: With dead ends: 39980 [2022-11-19 06:37:04,544 INFO L226 Difference]: Without dead ends: 39980 [2022-11-19 06:37:04,544 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 [2022-11-19 06:37:04,545 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 69 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:04,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 45 Invalid, 436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:37:04,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39980 states. [2022-11-19 06:37:05,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39980 to 39980. [2022-11-19 06:37:05,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39980 states, 39951 states have (on average 3.7654376611348903) internal successors, (150433), 39979 states have internal predecessors, (150433), 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) [2022-11-19 06:37:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39980 states to 39980 states and 150433 transitions. [2022-11-19 06:37:05,981 INFO L78 Accepts]: Start accepts. Automaton has 39980 states and 150433 transitions. Word has length 30 [2022-11-19 06:37:05,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:05,981 INFO L495 AbstractCegarLoop]: Abstraction has 39980 states and 150433 transitions. [2022-11-19 06:37:05,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-11-19 06:37:05,981 INFO L276 IsEmpty]: Start isEmpty. Operand 39980 states and 150433 transitions. [2022-11-19 06:37:05,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 06:37:05,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:05,984 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:05,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:37:05,984 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:05,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:05,985 INFO L85 PathProgramCache]: Analyzing trace with hash 997594132, now seen corresponding path program 1 times [2022-11-19 06:37:05,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:05,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257839612] [2022-11-19 06:37:05,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:05,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:06,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:06,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257839612] [2022-11-19 06:37:06,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257839612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:06,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:06,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:06,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035108764] [2022-11-19 06:37:06,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:06,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:06,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:06,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:06,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:06,606 INFO L87 Difference]: Start difference. First operand 39980 states and 150433 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) [2022-11-19 06:37:07,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:07,365 INFO L93 Difference]: Finished difference Result 37885 states and 142533 transitions. [2022-11-19 06:37:07,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:07,365 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 31 [2022-11-19 06:37:07,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:08,018 INFO L225 Difference]: With dead ends: 37885 [2022-11-19 06:37:08,018 INFO L226 Difference]: Without dead ends: 37885 [2022-11-19 06:37:08,019 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 [2022-11-19 06:37:08,019 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 72 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:08,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 50 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:37:08,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37885 states. [2022-11-19 06:37:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37885 to 37885. [2022-11-19 06:37:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37885 states, 37865 states have (on average 3.7642413838637263) internal successors, (142533), 37884 states have internal predecessors, (142533), 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) [2022-11-19 06:37:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37885 states to 37885 states and 142533 transitions. [2022-11-19 06:37:09,318 INFO L78 Accepts]: Start accepts. Automaton has 37885 states and 142533 transitions. Word has length 31 [2022-11-19 06:37:09,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:09,319 INFO L495 AbstractCegarLoop]: Abstraction has 37885 states and 142533 transitions. [2022-11-19 06:37:09,319 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) [2022-11-19 06:37:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 37885 states and 142533 transitions. [2022-11-19 06:37:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-19 06:37:09,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:09,326 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:09,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:37:09,327 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread3Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:09,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:09,328 INFO L85 PathProgramCache]: Analyzing trace with hash 983458497, now seen corresponding path program 1 times [2022-11-19 06:37:09,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:09,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450109181] [2022-11-19 06:37:09,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:09,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:10,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:10,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450109181] [2022-11-19 06:37:10,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450109181] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:10,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:10,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:10,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816283250] [2022-11-19 06:37:10,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:10,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:10,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:10,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:10,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:10,012 INFO L87 Difference]: Start difference. First operand 37885 states and 142533 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-11-19 06:37:10,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:10,964 INFO L93 Difference]: Finished difference Result 35700 states and 134275 transitions. [2022-11-19 06:37:10,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:10,965 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32 [2022-11-19 06:37:10,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:11,116 INFO L225 Difference]: With dead ends: 35700 [2022-11-19 06:37:11,116 INFO L226 Difference]: Without dead ends: 35700 [2022-11-19 06:37:11,116 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 [2022-11-19 06:37:11,117 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 74 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:11,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 55 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:37:11,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35700 states. [2022-11-19 06:37:12,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35700 to 35700. [2022-11-19 06:37:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35700 states, 35687 states have (on average 3.7625746069997477) internal successors, (134275), 35699 states have internal predecessors, (134275), 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) [2022-11-19 06:37:12,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35700 states to 35700 states and 134275 transitions. [2022-11-19 06:37:12,381 INFO L78 Accepts]: Start accepts. Automaton has 35700 states and 134275 transitions. Word has length 32 [2022-11-19 06:37:12,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:12,381 INFO L495 AbstractCegarLoop]: Abstraction has 35700 states and 134275 transitions. [2022-11-19 06:37:12,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2022-11-19 06:37:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 35700 states and 134275 transitions. [2022-11-19 06:37:12,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-19 06:37:12,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:12,391 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:12,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:37:12,391 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:12,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:12,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1379952911, now seen corresponding path program 1 times [2022-11-19 06:37:12,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:12,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635168328] [2022-11-19 06:37:12,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:12,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:12,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:12,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635168328] [2022-11-19 06:37:12,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1635168328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:12,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:12,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:12,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278156809] [2022-11-19 06:37:12,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:12,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:12,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:12,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:12,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:12,834 INFO L87 Difference]: Start difference. First operand 35700 states and 134275 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-19 06:37:13,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:13,981 INFO L93 Difference]: Finished difference Result 33934 states and 127539 transitions. [2022-11-19 06:37:13,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:13,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 36 [2022-11-19 06:37:13,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:14,233 INFO L225 Difference]: With dead ends: 33934 [2022-11-19 06:37:14,234 INFO L226 Difference]: Without dead ends: 33934 [2022-11-19 06:37:14,234 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 [2022-11-19 06:37:14,234 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 63 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:14,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 49 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:37:14,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33934 states. [2022-11-19 06:37:14,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33934 to 33934. [2022-11-19 06:37:14,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33934 states, 33925 states have (on average 3.759439941046426) internal successors, (127539), 33933 states have internal predecessors, (127539), 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) [2022-11-19 06:37:15,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33934 states to 33934 states and 127539 transitions. [2022-11-19 06:37:15,029 INFO L78 Accepts]: Start accepts. Automaton has 33934 states and 127539 transitions. Word has length 36 [2022-11-19 06:37:15,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:15,029 INFO L495 AbstractCegarLoop]: Abstraction has 33934 states and 127539 transitions. [2022-11-19 06:37:15,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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) [2022-11-19 06:37:15,029 INFO L276 IsEmpty]: Start isEmpty. Operand 33934 states and 127539 transitions. [2022-11-19 06:37:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-19 06:37:15,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:15,039 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:15,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:37:15,040 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread3Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:15,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:15,040 INFO L85 PathProgramCache]: Analyzing trace with hash -874553157, now seen corresponding path program 1 times [2022-11-19 06:37:15,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:15,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883977301] [2022-11-19 06:37:15,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:15,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:15,900 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:15,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:15,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883977301] [2022-11-19 06:37:15,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883977301] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:15,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:15,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:15,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639241190] [2022-11-19 06:37:15,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:15,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:15,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:15,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:15,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:15,902 INFO L87 Difference]: Start difference. First operand 33934 states and 127539 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-11-19 06:37:16,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:16,851 INFO L93 Difference]: Finished difference Result 31857 states and 119695 transitions. [2022-11-19 06:37:16,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:16,851 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 37 [2022-11-19 06:37:16,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:16,995 INFO L225 Difference]: With dead ends: 31857 [2022-11-19 06:37:16,995 INFO L226 Difference]: Without dead ends: 31829 [2022-11-19 06:37:16,996 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 [2022-11-19 06:37:16,996 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 72 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:16,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 65 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:37:17,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31829 states. [2022-11-19 06:37:17,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31829 to 31829. [2022-11-19 06:37:18,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31829 states, 31825 states have (on average 3.759277297721917) internal successors, (119639), 31828 states have internal predecessors, (119639), 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) [2022-11-19 06:37:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31829 states to 31829 states and 119639 transitions. [2022-11-19 06:37:18,171 INFO L78 Accepts]: Start accepts. Automaton has 31829 states and 119639 transitions. Word has length 37 [2022-11-19 06:37:18,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:18,171 INFO L495 AbstractCegarLoop]: Abstraction has 31829 states and 119639 transitions. [2022-11-19 06:37:18,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-11-19 06:37:18,171 INFO L276 IsEmpty]: Start isEmpty. Operand 31829 states and 119639 transitions. [2022-11-19 06:37:18,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-19 06:37:18,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:18,183 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:18,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 06:37:18,184 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:18,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:18,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1100558458, now seen corresponding path program 1 times [2022-11-19 06:37:18,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:18,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035109726] [2022-11-19 06:37:18,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:18,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:18,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:18,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035109726] [2022-11-19 06:37:18,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035109726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:18,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:18,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:18,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627609712] [2022-11-19 06:37:18,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:18,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:18,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:18,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:18,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:18,803 INFO L87 Difference]: Start difference. First operand 31829 states and 119639 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-11-19 06:37:19,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:19,565 INFO L93 Difference]: Finished difference Result 30068 states and 113006 transitions. [2022-11-19 06:37:19,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:19,565 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 37 [2022-11-19 06:37:19,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:19,685 INFO L225 Difference]: With dead ends: 30068 [2022-11-19 06:37:19,685 INFO L226 Difference]: Without dead ends: 30068 [2022-11-19 06:37:19,686 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 [2022-11-19 06:37:19,686 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 66 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:19,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 56 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:37:19,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30068 states. [2022-11-19 06:37:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30068 to 30068. [2022-11-19 06:37:20,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30068 states, 30066 states have (on average 3.758597751613118) internal successors, (113006), 30067 states have internal predecessors, (113006), 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) [2022-11-19 06:37:20,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30068 states to 30068 states and 113006 transitions. [2022-11-19 06:37:20,707 INFO L78 Accepts]: Start accepts. Automaton has 30068 states and 113006 transitions. Word has length 37 [2022-11-19 06:37:20,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:20,707 INFO L495 AbstractCegarLoop]: Abstraction has 30068 states and 113006 transitions. [2022-11-19 06:37:20,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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) [2022-11-19 06:37:20,707 INFO L276 IsEmpty]: Start isEmpty. Operand 30068 states and 113006 transitions. [2022-11-19 06:37:20,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-19 06:37:20,716 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:20,716 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:20,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 06:37:20,716 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:20,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:20,717 INFO L85 PathProgramCache]: Analyzing trace with hash 779138828, now seen corresponding path program 1 times [2022-11-19 06:37:20,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:20,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565994007] [2022-11-19 06:37:20,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:20,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:21,188 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:21,189 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:21,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565994007] [2022-11-19 06:37:21,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565994007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:21,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:21,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:21,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811858901] [2022-11-19 06:37:21,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:21,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:21,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:21,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:21,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:21,192 INFO L87 Difference]: Start difference. First operand 30068 states and 113006 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:22,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:22,162 INFO L93 Difference]: Finished difference Result 29813 states and 112241 transitions. [2022-11-19 06:37:22,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:22,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-11-19 06:37:22,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:22,336 INFO L225 Difference]: With dead ends: 29813 [2022-11-19 06:37:22,336 INFO L226 Difference]: Without dead ends: 29813 [2022-11-19 06:37:22,336 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 [2022-11-19 06:37:22,337 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 54 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:22,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 44 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:22,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29813 states. [2022-11-19 06:37:22,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29813 to 29813. [2022-11-19 06:37:22,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29813 states, 29812 states have (on average 3.764960418623373) internal successors, (112241), 29812 states have internal predecessors, (112241), 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) [2022-11-19 06:37:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29813 states to 29813 states and 112241 transitions. [2022-11-19 06:37:23,003 INFO L78 Accepts]: Start accepts. Automaton has 29813 states and 112241 transitions. Word has length 39 [2022-11-19 06:37:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:23,004 INFO L495 AbstractCegarLoop]: Abstraction has 29813 states and 112241 transitions. [2022-11-19 06:37:23,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 06:37:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29813 states and 112241 transitions. [2022-11-19 06:37:23,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-19 06:37:23,041 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:37:23,041 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:23,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 06:37:23,041 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 80 more)] === [2022-11-19 06:37:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:37:23,042 INFO L85 PathProgramCache]: Analyzing trace with hash 106067583, now seen corresponding path program 1 times [2022-11-19 06:37:23,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:37:23,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961252968] [2022-11-19 06:37:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:37:23,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:37:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:37:24,130 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-19 06:37:24,130 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:37:24,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961252968] [2022-11-19 06:37:24,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961252968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:37:24,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:37:24,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:37:24,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043507014] [2022-11-19 06:37:24,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:37:24,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:37:24,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:37:24,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:37:24,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:37:24,135 INFO L87 Difference]: Start difference. First operand 29813 states and 112241 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-19 06:37:24,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:37:24,621 INFO L93 Difference]: Finished difference Result 29798 states and 112211 transitions. [2022-11-19 06:37:24,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:37:24,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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 49 [2022-11-19 06:37:24,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:37:24,623 INFO L225 Difference]: With dead ends: 29798 [2022-11-19 06:37:24,623 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 06:37:24,623 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 [2022-11-19 06:37:24,624 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:37:24,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 47 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:37:24,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 06:37:24,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 06:37:24,625 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) [2022-11-19 06:37:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 06:37:24,625 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2022-11-19 06:37:24,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:37:24,626 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 06:37:24,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 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) [2022-11-19 06:37:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 06:37:24,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 06:37:24,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (83 of 84 remaining) [2022-11-19 06:37:24,629 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (82 of 84 remaining) [2022-11-19 06:37:24,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (81 of 84 remaining) [2022-11-19 06:37:24,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (80 of 84 remaining) [2022-11-19 06:37:24,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (79 of 84 remaining) [2022-11-19 06:37:24,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (78 of 84 remaining) [2022-11-19 06:37:24,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (77 of 84 remaining) [2022-11-19 06:37:24,630 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (76 of 84 remaining) [2022-11-19 06:37:24,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 84 remaining) [2022-11-19 06:37:24,631 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (74 of 84 remaining) [2022-11-19 06:37:24,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (73 of 84 remaining) [2022-11-19 06:37:24,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (72 of 84 remaining) [2022-11-19 06:37:24,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (71 of 84 remaining) [2022-11-19 06:37:24,632 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (70 of 84 remaining) [2022-11-19 06:37:24,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (69 of 84 remaining) [2022-11-19 06:37:24,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 84 remaining) [2022-11-19 06:37:24,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (67 of 84 remaining) [2022-11-19 06:37:24,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (66 of 84 remaining) [2022-11-19 06:37:24,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (65 of 84 remaining) [2022-11-19 06:37:24,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (64 of 84 remaining) [2022-11-19 06:37:24,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (63 of 84 remaining) [2022-11-19 06:37:24,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (62 of 84 remaining) [2022-11-19 06:37:24,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (61 of 84 remaining) [2022-11-19 06:37:24,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (60 of 84 remaining) [2022-11-19 06:37:24,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (59 of 84 remaining) [2022-11-19 06:37:24,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (58 of 84 remaining) [2022-11-19 06:37:24,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (57 of 84 remaining) [2022-11-19 06:37:24,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (56 of 84 remaining) [2022-11-19 06:37:24,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (55 of 84 remaining) [2022-11-19 06:37:24,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (54 of 84 remaining) [2022-11-19 06:37:24,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (53 of 84 remaining) [2022-11-19 06:37:24,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (52 of 84 remaining) [2022-11-19 06:37:24,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (51 of 84 remaining) [2022-11-19 06:37:24,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (50 of 84 remaining) [2022-11-19 06:37:24,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 84 remaining) [2022-11-19 06:37:24,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (48 of 84 remaining) [2022-11-19 06:37:24,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 84 remaining) [2022-11-19 06:37:24,637 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (46 of 84 remaining) [2022-11-19 06:37:24,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 84 remaining) [2022-11-19 06:37:24,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (44 of 84 remaining) [2022-11-19 06:37:24,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (43 of 84 remaining) [2022-11-19 06:37:24,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (42 of 84 remaining) [2022-11-19 06:37:24,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (41 of 84 remaining) [2022-11-19 06:37:24,638 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (40 of 84 remaining) [2022-11-19 06:37:24,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (39 of 84 remaining) [2022-11-19 06:37:24,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (38 of 84 remaining) [2022-11-19 06:37:24,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (37 of 84 remaining) [2022-11-19 06:37:24,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (36 of 84 remaining) [2022-11-19 06:37:24,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (35 of 84 remaining) [2022-11-19 06:37:24,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 84 remaining) [2022-11-19 06:37:24,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 84 remaining) [2022-11-19 06:37:24,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (32 of 84 remaining) [2022-11-19 06:37:24,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (31 of 84 remaining) [2022-11-19 06:37:24,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 84 remaining) [2022-11-19 06:37:24,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 84 remaining) [2022-11-19 06:37:24,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (28 of 84 remaining) [2022-11-19 06:37:24,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (27 of 84 remaining) [2022-11-19 06:37:24,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 84 remaining) [2022-11-19 06:37:24,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 84 remaining) [2022-11-19 06:37:24,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (24 of 84 remaining) [2022-11-19 06:37:24,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (23 of 84 remaining) [2022-11-19 06:37:24,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (22 of 84 remaining) [2022-11-19 06:37:24,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 84 remaining) [2022-11-19 06:37:24,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 84 remaining) [2022-11-19 06:37:24,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 84 remaining) [2022-11-19 06:37:24,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 84 remaining) [2022-11-19 06:37:24,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (17 of 84 remaining) [2022-11-19 06:37:24,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (16 of 84 remaining) [2022-11-19 06:37:24,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 84 remaining) [2022-11-19 06:37:24,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (14 of 84 remaining) [2022-11-19 06:37:24,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (13 of 84 remaining) [2022-11-19 06:37:24,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (12 of 84 remaining) [2022-11-19 06:37:24,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (11 of 84 remaining) [2022-11-19 06:37:24,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (10 of 84 remaining) [2022-11-19 06:37:24,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (9 of 84 remaining) [2022-11-19 06:37:24,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (8 of 84 remaining) [2022-11-19 06:37:24,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (7 of 84 remaining) [2022-11-19 06:37:24,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (6 of 84 remaining) [2022-11-19 06:37:24,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (5 of 84 remaining) [2022-11-19 06:37:24,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 84 remaining) [2022-11-19 06:37:24,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (3 of 84 remaining) [2022-11-19 06:37:24,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (2 of 84 remaining) [2022-11-19 06:37:24,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (1 of 84 remaining) [2022-11-19 06:37:24,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (0 of 84 remaining) [2022-11-19 06:37:24,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 06:37:24,649 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:37:24,654 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 06:37:24,655 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 06:37:24,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:37:24 BasicIcfg [2022-11-19 06:37:24,659 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 06:37:24,659 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 06:37:24,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 06:37:24,660 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 06:37:24,660 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:36:07" (3/4) ... [2022-11-19 06:37:24,663 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 06:37:24,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 06:37:24,668 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 06:37:24,669 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-11-19 06:37:24,680 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-19 06:37:24,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 06:37:24,681 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 06:37:24,682 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 06:37:24,748 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 06:37:24,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 06:37:24,749 INFO L158 Benchmark]: Toolchain (without parser) took 78930.37ms. Allocated memory was 148.9MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 116.4MB in the beginning and 10.9GB in the end (delta: -10.8GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-11-19 06:37:24,750 INFO L158 Benchmark]: CDTParser took 16.41ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 60.7MB in the end (delta: -19.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-11-19 06:37:24,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.43ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 123.1MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 06:37:24,751 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.08ms. Allocated memory is still 148.9MB. Free memory was 122.7MB in the beginning and 119.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:37:24,751 INFO L158 Benchmark]: Boogie Preprocessor took 94.53ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 115.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 06:37:24,752 INFO L158 Benchmark]: RCFGBuilder took 1307.46ms. Allocated memory is still 148.9MB. Free memory was 115.4MB in the beginning and 117.9MB in the end (delta: -2.5MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-11-19 06:37:24,752 INFO L158 Benchmark]: TraceAbstraction took 77010.83ms. Allocated memory was 148.9MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 117.2MB in the beginning and 10.9GB in the end (delta: -10.8GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2022-11-19 06:37:24,752 INFO L158 Benchmark]: Witness Printer took 89.39ms. Allocated memory is still 14.1GB. Free memory was 10.9GB in the beginning and 10.9GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 06:37:24,757 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 16.41ms. Allocated memory is still 88.1MB. Free memory was 41.7MB in the beginning and 60.7MB in the end (delta: -19.0MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.43ms. Allocated memory is still 148.9MB. Free memory was 116.1MB in the beginning and 123.1MB in the end (delta: -7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.08ms. Allocated memory is still 148.9MB. Free memory was 122.7MB in the beginning and 119.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.53ms. Allocated memory is still 148.9MB. Free memory was 119.0MB in the beginning and 115.4MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1307.46ms. Allocated memory is still 148.9MB. Free memory was 115.4MB in the beginning and 117.9MB in the end (delta: -2.5MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * TraceAbstraction took 77010.83ms. Allocated memory was 148.9MB in the beginning and 14.1GB in the end (delta: 13.9GB). Free memory was 117.2MB in the beginning and 10.9GB in the end (delta: -10.8GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. * Witness Printer took 89.39ms. Allocated memory is still 14.1GB. Free memory was 10.9GB in the beginning and 10.9GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 23.6s, 573 PlacesBefore, 136 PlacesAfterwards, 596 TransitionsBefore, 133 TransitionsAfterwards, 78486 CoEnabledTransitionPairs, 19 FixpointIterations, 245 TrivialSequentialCompositions, 403 ConcurrentSequentialCompositions, 37 TrivialYvCompositions, 32 ConcurrentYvCompositions, 26 ChoiceCompositions, 743 TotalNumberOfCompositions, 278665 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 131599, independent: 129107, independent conditional: 0, independent unconditional: 129107, dependent: 2492, dependent conditional: 0, dependent unconditional: 2492, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 58399, independent: 58136, independent conditional: 0, independent unconditional: 58136, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 58399, independent: 55442, independent conditional: 0, independent unconditional: 55442, dependent: 2957, dependent conditional: 0, dependent unconditional: 2957, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2957, independent: 2694, independent conditional: 0, independent unconditional: 2694, dependent: 263, dependent conditional: 0, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4381, independent: 3673, independent conditional: 0, independent unconditional: 3673, dependent: 708, dependent conditional: 0, dependent unconditional: 708, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 131599, independent: 70971, independent conditional: 0, independent unconditional: 70971, dependent: 2229, dependent conditional: 0, dependent unconditional: 2229, unknown: 58399, unknown conditional: 0, unknown unconditional: 58399] , Statistics on independence cache: Total cache size (in pairs): 3633, Positive cache size: 3523, Positive conditional cache size: 0, Positive unconditional cache size: 3523, Negative cache size: 110, Negative conditional cache size: 0, Negative unconditional cache size: 110, 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: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: 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: 78]: 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: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 95]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 120]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 108]: 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 7 procedures, 861 locations, 84 error locations. Started 1 CEGAR loops. OverallTime: 76.7s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 17.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 29.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 649 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 649 mSDsluCounter, 777 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 269 mSDsCounter, 810 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3987 IncrementalHoareTripleChecker+Invalid, 4797 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 810 mSolverCounterUnsat, 508 mSDtfsCounter, 3987 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 101 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154762occurred in iteration=0, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 442 NumberOfCodeBlocks, 430 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 467 ConstructedInterpolants, 0 QuantifiedInterpolants, 1192 SizeOfPredicates, 2 NumberOfNonLiveVariables, 989 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 476/519 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 06:37:24,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d9ed6e4-37a4-4361-8789-a4899eac4b5d/bin/utaipan-I9t0OCRTmS/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