./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-array-int-symm.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_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/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_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/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_3b090225-4304-44ba-b174-c5da81f43848/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 b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da --- 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 08:29:54,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:29:54,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:29:54,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:29:54,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:29:54,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:29:54,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:29:54,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:29:54,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:29:54,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:29:54,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:29:54,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:29:54,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:29:54,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:29:54,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:29:54,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:29:54,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:29:54,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:29:54,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:29:54,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:29:54,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:29:54,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:29:54,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:29:54,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:29:54,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:29:54,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:29:54,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:29:54,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:29:54,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:29:54,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:29:54,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:29:54,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:29:54,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:29:54,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:29:54,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:29:54,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:29:54,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:29:54,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:29:54,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:29:54,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:29:54,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:29:54,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 08:29:54,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:29:54,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:29:54,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:29:54,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:29:54,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:29:54,369 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:29:54,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:29:54,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:29:54,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:29:54,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:29:54,371 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:29:54,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:29:54,372 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:29:54,372 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:29:54,372 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:29:54,373 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:29:54,373 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:29:54,373 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:29:54,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:29:54,374 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 08:29:54,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:29:54,375 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:29:54,375 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 08:29:54,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:29:54,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:29:54,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:29:54,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:29:54,376 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 08:29:54,376 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 08:29:54,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:29:54,377 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:29:54,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:29:54,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:29:54,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:29:54,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:54,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:29:54,379 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:29:54,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:29:54,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:29:54,379 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:29:54,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:29:54,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:29:54,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:29:54,380 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_3b090225-4304-44ba-b174-c5da81f43848/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b78a1de0122078b80177387d59eedcdf8d73ccef913955b4bda0200e53e1d3da [2022-11-19 08:29:54,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:29:54,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:29:54,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:29:54,726 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:29:54,726 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:29:54,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2022-11-19 08:29:54,803 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/data/4fcd04e9f/55b3f139764949df903fab61dbb1c2dd/FLAG113f03a26 [2022-11-19 08:29:55,342 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:29:55,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c [2022-11-19 08:29:55,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/data/4fcd04e9f/55b3f139764949df903fab61dbb1c2dd/FLAG113f03a26 [2022-11-19 08:29:55,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/data/4fcd04e9f/55b3f139764949df903fab61dbb1c2dd [2022-11-19 08:29:55,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:29:55,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:29:55,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:55,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:29:55,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:29:55,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:55" (1/1) ... [2022-11-19 08:29:55,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6c8487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:55, skipping insertion in model container [2022-11-19 08:29:55,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:29:55" (1/1) ... [2022-11-19 08:29:55,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:29:55,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:29:55,974 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_3b090225-4304-44ba-b174-c5da81f43848/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495] [2022-11-19 08:29:55,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:55,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:29:56,023 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_3b090225-4304-44ba-b174-c5da81f43848/sv-benchmarks/c/weaver/chl-array-int-symm.wvr.c[2482,2495] [2022-11-19 08:29:56,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:29:56,042 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:29:56,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56 WrapperNode [2022-11-19 08:29:56,043 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:29:56,044 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:56,044 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:29:56,044 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:29:56,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,121 INFO L138 Inliner]: procedures = 25, calls = 39, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 364 [2022-11-19 08:29:56,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:29:56,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:29:56,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:29:56,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:29:56,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:29:56,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:29:56,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:29:56,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:29:56,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (1/1) ... [2022-11-19 08:29:56,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:29:56,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:29:56,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:29:56,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:29:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:29:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:29:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:29:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:29:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-19 08:29:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-19 08:29:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-19 08:29:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-19 08:29:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:29:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:29:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:29:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:29:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:29:56,294 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 08:29:56,453 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:29:56,456 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:29:57,252 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:29:57,264 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:29:57,264 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-19 08:29:57,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:57 BoogieIcfgContainer [2022-11-19 08:29:57,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:29:57,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:29:57,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:29:57,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:29:57,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:29:55" (1/3) ... [2022-11-19 08:29:57,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca6e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:57, skipping insertion in model container [2022-11-19 08:29:57,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:29:56" (2/3) ... [2022-11-19 08:29:57,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fca6e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:29:57, skipping insertion in model container [2022-11-19 08:29:57,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:57" (3/3) ... [2022-11-19 08:29:57,279 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-symm.wvr.c [2022-11-19 08:29:57,288 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 08:29:57,299 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:29:57,299 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2022-11-19 08:29:57,299 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 08:29:57,509 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-19 08:29:57,550 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 08:29:57,567 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 453 places, 472 transitions, 960 flow [2022-11-19 08:29:57,569 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 453 places, 472 transitions, 960 flow [2022-11-19 08:29:57,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 453 places, 472 transitions, 960 flow [2022-11-19 08:29:57,843 INFO L130 PetriNetUnfolder]: 26/470 cut-off events. [2022-11-19 08:29:57,843 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 08:29:57,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 470 events. 26/470 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 933 event pairs, 0 based on Foata normal form. 0/400 useless extension candidates. Maximal degree in co-relation 271. Up to 3 conditions per place. [2022-11-19 08:29:57,890 INFO L119 LiptonReduction]: Number of co-enabled transitions 33516 [2022-11-19 08:30:18,173 INFO L134 LiptonReduction]: Checked pairs total: 338063 [2022-11-19 08:30:18,174 INFO L136 LiptonReduction]: Total number of compositions: 620 [2022-11-19 08:30:18,189 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 130 places, 133 transitions, 282 flow [2022-11-19 08:30:18,712 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13929 states, 13451 states have (on average 3.070998438777786) internal successors, (41308), 13928 states have internal predecessors, (41308), 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 08:30:18,732 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:30:18,739 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;@70c60064, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:30:18,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 74 error locations. [2022-11-19 08:30:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand has 13929 states, 13451 states have (on average 3.070998438777786) internal successors, (41308), 13928 states have internal predecessors, (41308), 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 08:30:18,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 08:30:18,799 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:18,800 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 08:30:18,801 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:18,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:18,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1839, now seen corresponding path program 1 times [2022-11-19 08:30:18,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:18,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764177072] [2022-11-19 08:30:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:18,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:18,936 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 08:30:18,936 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:18,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764177072] [2022-11-19 08:30:18,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764177072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:18,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:18,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 08:30:18,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876675194] [2022-11-19 08:30:18,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:18,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 08:30:18,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:18,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 08:30:18,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:30:19,005 INFO L87 Difference]: Start difference. First operand has 13929 states, 13451 states have (on average 3.070998438777786) internal successors, (41308), 13928 states have internal predecessors, (41308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:19,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:19,398 INFO L93 Difference]: Finished difference Result 8365 states and 24609 transitions. [2022-11-19 08:30:19,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 08:30:19,402 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-19 08:30:19,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:19,505 INFO L225 Difference]: With dead ends: 8365 [2022-11-19 08:30:19,505 INFO L226 Difference]: Without dead ends: 8360 [2022-11-19 08:30:19,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 08:30:19,518 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:19,520 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:30:19,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8360 states. [2022-11-19 08:30:19,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8360 to 8360. [2022-11-19 08:30:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8360 states, 8306 states have (on average 2.961473633517939) internal successors, (24598), 8359 states have internal predecessors, (24598), 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 08:30:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8360 states to 8360 states and 24598 transitions. [2022-11-19 08:30:19,925 INFO L78 Accepts]: Start accepts. Automaton has 8360 states and 24598 transitions. Word has length 1 [2022-11-19 08:30:19,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:19,926 INFO L495 AbstractCegarLoop]: Abstraction has 8360 states and 24598 transitions. [2022-11-19 08:30:19,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:19,926 INFO L276 IsEmpty]: Start isEmpty. Operand 8360 states and 24598 transitions. [2022-11-19 08:30:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-19 08:30:19,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:19,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:19,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:30:19,928 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:19,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:19,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1869624436, now seen corresponding path program 1 times [2022-11-19 08:30:19,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:19,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663738511] [2022-11-19 08:30:19,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:19,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:20,616 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 08:30:20,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:20,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663738511] [2022-11-19 08:30:20,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663738511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:20,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:20,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:20,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960834333] [2022-11-19 08:30:20,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:20,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:20,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:20,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:20,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:20,621 INFO L87 Difference]: Start difference. First operand 8360 states and 24598 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:21,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:21,426 INFO L93 Difference]: Finished difference Result 7208 states and 21006 transitions. [2022-11-19 08:30:21,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:21,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-19 08:30:21,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:21,476 INFO L225 Difference]: With dead ends: 7208 [2022-11-19 08:30:21,476 INFO L226 Difference]: Without dead ends: 7208 [2022-11-19 08:30:21,477 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 08:30:21,478 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 105 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:21,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 42 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 08:30:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7208 states. [2022-11-19 08:30:21,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7208 to 7208. [2022-11-19 08:30:21,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7208 states, 7179 states have (on average 2.9260342666109485) internal successors, (21006), 7207 states have internal predecessors, (21006), 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 08:30:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7208 states to 7208 states and 21006 transitions. [2022-11-19 08:30:21,735 INFO L78 Accepts]: Start accepts. Automaton has 7208 states and 21006 transitions. Word has length 10 [2022-11-19 08:30:21,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:21,736 INFO L495 AbstractCegarLoop]: Abstraction has 7208 states and 21006 transitions. [2022-11-19 08:30:21,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7208 states and 21006 transitions. [2022-11-19 08:30:21,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 08:30:21,740 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:21,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:21,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:30:21,741 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:21,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:21,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1927107541, now seen corresponding path program 1 times [2022-11-19 08:30:21,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:21,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999473272] [2022-11-19 08:30:21,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:21,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:21,830 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 08:30:21,830 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:21,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999473272] [2022-11-19 08:30:21,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999473272] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:21,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:21,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:21,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820038895] [2022-11-19 08:30:21,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:21,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:21,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:21,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:21,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:21,833 INFO L87 Difference]: Start difference. First operand 7208 states and 21006 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:22,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:22,025 INFO L93 Difference]: Finished difference Result 7402 states and 21566 transitions. [2022-11-19 08:30:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:22,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 08:30:22,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:22,058 INFO L225 Difference]: With dead ends: 7402 [2022-11-19 08:30:22,058 INFO L226 Difference]: Without dead ends: 7402 [2022-11-19 08:30:22,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:30:22,060 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 41 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:22,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 93 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:30:22,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7402 states. [2022-11-19 08:30:22,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7402 to 7402. [2022-11-19 08:30:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7402 states, 7373 states have (on average 2.924996609249966) internal successors, (21566), 7401 states have internal predecessors, (21566), 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 08:30:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7402 states to 7402 states and 21566 transitions. [2022-11-19 08:30:22,330 INFO L78 Accepts]: Start accepts. Automaton has 7402 states and 21566 transitions. Word has length 15 [2022-11-19 08:30:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:22,331 INFO L495 AbstractCegarLoop]: Abstraction has 7402 states and 21566 transitions. [2022-11-19 08:30:22,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:30:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7402 states and 21566 transitions. [2022-11-19 08:30:22,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:30:22,334 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:22,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:22,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:30:22,335 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:22,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:22,336 INFO L85 PathProgramCache]: Analyzing trace with hash 427097610, now seen corresponding path program 1 times [2022-11-19 08:30:22,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:22,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408919644] [2022-11-19 08:30:22,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:22,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:22,484 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 08:30:22,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:22,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408919644] [2022-11-19 08:30:22,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408919644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:22,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:22,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:22,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163208057] [2022-11-19 08:30:22,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:22,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:22,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:22,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:22,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:22,488 INFO L87 Difference]: Start difference. First operand 7402 states and 21566 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 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 08:30:22,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:22,857 INFO L93 Difference]: Finished difference Result 8983 states and 25749 transitions. [2022-11-19 08:30:22,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:22,858 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-19 08:30:22,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:22,891 INFO L225 Difference]: With dead ends: 8983 [2022-11-19 08:30:22,891 INFO L226 Difference]: Without dead ends: 8983 [2022-11-19 08:30:22,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:22,892 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 96 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:22,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 170 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 08:30:22,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8983 states. [2022-11-19 08:30:23,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8983 to 8375. [2022-11-19 08:30:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8375 states, 8346 states have (on average 2.9200814761562426) internal successors, (24371), 8374 states have internal predecessors, (24371), 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 08:30:23,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8375 states to 8375 states and 24371 transitions. [2022-11-19 08:30:23,130 INFO L78 Accepts]: Start accepts. Automaton has 8375 states and 24371 transitions. Word has length 16 [2022-11-19 08:30:23,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:23,130 INFO L495 AbstractCegarLoop]: Abstraction has 8375 states and 24371 transitions. [2022-11-19 08:30:23,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 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 08:30:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 8375 states and 24371 transitions. [2022-11-19 08:30:23,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-19 08:30:23,132 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:23,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:23,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:30:23,133 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:23,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:23,134 INFO L85 PathProgramCache]: Analyzing trace with hash 712350791, now seen corresponding path program 1 times [2022-11-19 08:30:23,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:23,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628770892] [2022-11-19 08:30:23,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:23,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:23,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:23,165 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 08:30:23,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:23,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628770892] [2022-11-19 08:30:23,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628770892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:23,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:23,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:30:23,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438508615] [2022-11-19 08:30:23,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:23,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:30:23,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:23,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:30:23,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:30:23,169 INFO L87 Difference]: Start difference. First operand 8375 states and 24371 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 08:30:23,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:23,353 INFO L93 Difference]: Finished difference Result 8634 states and 25109 transitions. [2022-11-19 08:30:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:30:23,354 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-11-19 08:30:23,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:23,388 INFO L225 Difference]: With dead ends: 8634 [2022-11-19 08:30:23,389 INFO L226 Difference]: Without dead ends: 8632 [2022-11-19 08:30:23,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 08:30:23,390 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 50 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:23,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 101 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:30:23,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8632 states. [2022-11-19 08:30:23,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8632 to 8632. [2022-11-19 08:30:23,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8632 states, 8603 states have (on average 2.918168080902011) internal successors, (25105), 8631 states have internal predecessors, (25105), 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 08:30:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8632 states to 8632 states and 25105 transitions. [2022-11-19 08:30:23,698 INFO L78 Accepts]: Start accepts. Automaton has 8632 states and 25105 transitions. Word has length 16 [2022-11-19 08:30:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:23,699 INFO L495 AbstractCegarLoop]: Abstraction has 8632 states and 25105 transitions. [2022-11-19 08:30:23,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 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 08:30:23,699 INFO L276 IsEmpty]: Start isEmpty. Operand 8632 states and 25105 transitions. [2022-11-19 08:30:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:30:23,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:23,702 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:23,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:30:23,702 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:23,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:23,703 INFO L85 PathProgramCache]: Analyzing trace with hash -53731575, now seen corresponding path program 1 times [2022-11-19 08:30:23,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:23,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906770893] [2022-11-19 08:30:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:23,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:23,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:30:23,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:23,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906770893] [2022-11-19 08:30:23,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906770893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:23,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:23,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:30:23,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045524630] [2022-11-19 08:30:23,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:23,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:30:23,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:23,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:30:23,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:30:23,823 INFO L87 Difference]: Start difference. First operand 8632 states and 25105 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 08:30:24,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:24,280 INFO L93 Difference]: Finished difference Result 11661 states and 33649 transitions. [2022-11-19 08:30:24,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:30:24,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2022-11-19 08:30:24,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:24,326 INFO L225 Difference]: With dead ends: 11661 [2022-11-19 08:30:24,327 INFO L226 Difference]: Without dead ends: 11661 [2022-11-19 08:30:24,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:30:24,328 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 237 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:24,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 276 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:30:24,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11661 states. [2022-11-19 08:30:24,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11661 to 9834. [2022-11-19 08:30:24,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9834 states, 9805 states have (on average 2.9342172361040286) internal successors, (28770), 9833 states have internal predecessors, (28770), 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 08:30:24,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9834 states to 9834 states and 28770 transitions. [2022-11-19 08:30:24,738 INFO L78 Accepts]: Start accepts. Automaton has 9834 states and 28770 transitions. Word has length 17 [2022-11-19 08:30:24,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:24,739 INFO L495 AbstractCegarLoop]: Abstraction has 9834 states and 28770 transitions. [2022-11-19 08:30:24,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 08:30:24,739 INFO L276 IsEmpty]: Start isEmpty. Operand 9834 states and 28770 transitions. [2022-11-19 08:30:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-19 08:30:24,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:24,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:24,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:30:24,743 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:24,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:24,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1120748109, now seen corresponding path program 1 times [2022-11-19 08:30:24,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:24,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608441786] [2022-11-19 08:30:24,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:24,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:24,886 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 08:30:24,887 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:24,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608441786] [2022-11-19 08:30:24,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608441786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:24,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:24,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:24,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73830748] [2022-11-19 08:30:24,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:24,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:24,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:24,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:24,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:24,892 INFO L87 Difference]: Start difference. First operand 9834 states and 28770 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 08:30:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:25,165 INFO L93 Difference]: Finished difference Result 9187 states and 26743 transitions. [2022-11-19 08:30:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2022-11-19 08:30:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:25,203 INFO L225 Difference]: With dead ends: 9187 [2022-11-19 08:30:25,203 INFO L226 Difference]: Without dead ends: 9177 [2022-11-19 08:30:25,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:25,204 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 43 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:25,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 158 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:30:25,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9177 states. [2022-11-19 08:30:25,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9177 to 9143. [2022-11-19 08:30:25,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9143 states, 9114 states have (on average 2.9258283958744786) internal successors, (26666), 9142 states have internal predecessors, (26666), 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 08:30:25,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9143 states to 9143 states and 26666 transitions. [2022-11-19 08:30:25,564 INFO L78 Accepts]: Start accepts. Automaton has 9143 states and 26666 transitions. Word has length 17 [2022-11-19 08:30:25,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:25,564 INFO L495 AbstractCegarLoop]: Abstraction has 9143 states and 26666 transitions. [2022-11-19 08:30:25,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 08:30:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9143 states and 26666 transitions. [2022-11-19 08:30:25,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 08:30:25,567 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:25,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:25,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:30:25,568 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:25,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:25,568 INFO L85 PathProgramCache]: Analyzing trace with hash -900054738, now seen corresponding path program 1 times [2022-11-19 08:30:25,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:25,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777345211] [2022-11-19 08:30:25,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:25,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-19 08:30:25,741 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:25,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777345211] [2022-11-19 08:30:25,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777345211] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:25,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:25,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 08:30:25,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095778426] [2022-11-19 08:30:25,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:25,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 08:30:25,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:25,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 08:30:25,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-19 08:30:25,745 INFO L87 Difference]: Start difference. First operand 9143 states and 26666 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 08:30:26,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:26,056 INFO L93 Difference]: Finished difference Result 8761 states and 25160 transitions. [2022-11-19 08:30:26,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:30:26,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 18 [2022-11-19 08:30:26,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:26,093 INFO L225 Difference]: With dead ends: 8761 [2022-11-19 08:30:26,093 INFO L226 Difference]: Without dead ends: 8747 [2022-11-19 08:30:26,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-19 08:30:26,095 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 103 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:26,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 176 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 08:30:26,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8747 states. [2022-11-19 08:30:26,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8747 to 8349. [2022-11-19 08:30:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8349 states, 8320 states have (on average 2.902043269230769) internal successors, (24145), 8348 states have internal predecessors, (24145), 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 08:30:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8349 states to 8349 states and 24145 transitions. [2022-11-19 08:30:26,440 INFO L78 Accepts]: Start accepts. Automaton has 8349 states and 24145 transitions. Word has length 18 [2022-11-19 08:30:26,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:26,440 INFO L495 AbstractCegarLoop]: Abstraction has 8349 states and 24145 transitions. [2022-11-19 08:30:26,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 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 08:30:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 8349 states and 24145 transitions. [2022-11-19 08:30:26,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 08:30:26,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:26,444 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:26,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:30:26,444 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:26,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:26,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1807388774, now seen corresponding path program 1 times [2022-11-19 08:30:26,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:26,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398581066] [2022-11-19 08:30:26,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:26,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:26,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:30:26,743 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:26,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398581066] [2022-11-19 08:30:26,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398581066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:26,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:26,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:26,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053218459] [2022-11-19 08:30:26,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:26,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:26,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:26,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:26,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:26,745 INFO L87 Difference]: Start difference. First operand 8349 states and 24145 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 08:30:27,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:27,315 INFO L93 Difference]: Finished difference Result 8374 states and 23828 transitions. [2022-11-19 08:30:27,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:27,315 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 18 [2022-11-19 08:30:27,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:27,346 INFO L225 Difference]: With dead ends: 8374 [2022-11-19 08:30:27,346 INFO L226 Difference]: Without dead ends: 8374 [2022-11-19 08:30:27,346 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 08:30:27,347 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 69 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:27,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 32 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 08:30:27,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8374 states. [2022-11-19 08:30:27,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8374 to 7949. [2022-11-19 08:30:27,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7949 states, 7930 states have (on average 2.8992433795712484) internal successors, (22991), 7948 states have internal predecessors, (22991), 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 08:30:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7949 states to 7949 states and 22991 transitions. [2022-11-19 08:30:27,615 INFO L78 Accepts]: Start accepts. Automaton has 7949 states and 22991 transitions. Word has length 18 [2022-11-19 08:30:27,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:27,615 INFO L495 AbstractCegarLoop]: Abstraction has 7949 states and 22991 transitions. [2022-11-19 08:30:27,616 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 08:30:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7949 states and 22991 transitions. [2022-11-19 08:30:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:30:27,619 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:27,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:27,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 08:30:27,619 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:27,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:27,620 INFO L85 PathProgramCache]: Analyzing trace with hash 571146941, now seen corresponding path program 1 times [2022-11-19 08:30:27,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:27,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482086040] [2022-11-19 08:30:27,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:27,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:30:27,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:27,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482086040] [2022-11-19 08:30:27,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482086040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:27,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:27,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:27,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565946044] [2022-11-19 08:30:27,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:27,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:27,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:27,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:27,904 INFO L87 Difference]: Start difference. First operand 7949 states and 22991 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 08:30:28,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:28,522 INFO L93 Difference]: Finished difference Result 7730 states and 22151 transitions. [2022-11-19 08:30:28,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:28,523 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-19 08:30:28,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:28,545 INFO L225 Difference]: With dead ends: 7730 [2022-11-19 08:30:28,545 INFO L226 Difference]: Without dead ends: 7720 [2022-11-19 08:30:28,545 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 08:30:28,546 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 67 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:28,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 36 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 08:30:28,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7720 states. [2022-11-19 08:30:28,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7720 to 7505. [2022-11-19 08:30:28,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7505 states, 7494 states have (on average 2.899519615692554) internal successors, (21729), 7504 states have internal predecessors, (21729), 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 08:30:28,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7505 states to 7505 states and 21729 transitions. [2022-11-19 08:30:28,847 INFO L78 Accepts]: Start accepts. Automaton has 7505 states and 21729 transitions. Word has length 19 [2022-11-19 08:30:28,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:28,849 INFO L495 AbstractCegarLoop]: Abstraction has 7505 states and 21729 transitions. [2022-11-19 08:30:28,849 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 08:30:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 7505 states and 21729 transitions. [2022-11-19 08:30:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 08:30:28,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:28,857 INFO L195 NwaCegarLoop]: trace histogram [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 08:30:28,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 08:30:28,858 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:28,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:28,858 INFO L85 PathProgramCache]: Analyzing trace with hash 772419540, now seen corresponding path program 1 times [2022-11-19 08:30:28,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:28,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196518813] [2022-11-19 08:30:28,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:28,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:29,170 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 08:30:29,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:29,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196518813] [2022-11-19 08:30:29,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196518813] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:29,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:29,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:29,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601939609] [2022-11-19 08:30:29,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:29,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:29,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:29,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:29,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:29,173 INFO L87 Difference]: Start difference. First operand 7505 states and 21729 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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 08:30:29,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:29,653 INFO L93 Difference]: Finished difference Result 7463 states and 21642 transitions. [2022-11-19 08:30:29,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:29,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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 22 [2022-11-19 08:30:29,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:29,673 INFO L225 Difference]: With dead ends: 7463 [2022-11-19 08:30:29,673 INFO L226 Difference]: Without dead ends: 6580 [2022-11-19 08:30:29,673 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 08:30:29,674 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 43 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:29,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 44 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:30:29,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6580 states. [2022-11-19 08:30:29,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6580 to 6580. [2022-11-19 08:30:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6580 states, 6572 states have (on average 2.9100730371272063) internal successors, (19125), 6579 states have internal predecessors, (19125), 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 08:30:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6580 states to 6580 states and 19125 transitions. [2022-11-19 08:30:29,882 INFO L78 Accepts]: Start accepts. Automaton has 6580 states and 19125 transitions. Word has length 22 [2022-11-19 08:30:29,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:29,884 INFO L495 AbstractCegarLoop]: Abstraction has 6580 states and 19125 transitions. [2022-11-19 08:30:29,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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 08:30:29,885 INFO L276 IsEmpty]: Start isEmpty. Operand 6580 states and 19125 transitions. [2022-11-19 08:30:29,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 08:30:29,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:29,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:29,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 08:30:29,889 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:29,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:29,890 INFO L85 PathProgramCache]: Analyzing trace with hash 423607974, now seen corresponding path program 1 times [2022-11-19 08:30:29,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:29,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571306622] [2022-11-19 08:30:29,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:29,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:30,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:30:30,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:30,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571306622] [2022-11-19 08:30:30,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571306622] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:30,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:30,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:30,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782811971] [2022-11-19 08:30:30,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:30,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:30,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:30,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:30,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:30,327 INFO L87 Difference]: Start difference. First operand 6580 states and 19125 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 08:30:30,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:30,829 INFO L93 Difference]: Finished difference Result 6482 states and 18570 transitions. [2022-11-19 08:30:30,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:30,830 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 24 [2022-11-19 08:30:30,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:30,843 INFO L225 Difference]: With dead ends: 6482 [2022-11-19 08:30:30,843 INFO L226 Difference]: Without dead ends: 5042 [2022-11-19 08:30:30,843 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 08:30:30,844 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 65 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:30,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 36 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 08:30:30,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5042 states. [2022-11-19 08:30:30,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5042 to 4764. [2022-11-19 08:30:30,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4764 states, 4762 states have (on average 2.855732885342293) internal successors, (13599), 4763 states have internal predecessors, (13599), 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 08:30:30,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4764 states to 4764 states and 13599 transitions. [2022-11-19 08:30:30,956 INFO L78 Accepts]: Start accepts. Automaton has 4764 states and 13599 transitions. Word has length 24 [2022-11-19 08:30:30,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:30,956 INFO L495 AbstractCegarLoop]: Abstraction has 4764 states and 13599 transitions. [2022-11-19 08:30:30,956 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 08:30:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand 4764 states and 13599 transitions. [2022-11-19 08:30:30,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-19 08:30:30,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:30,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:30,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 08:30:30,959 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 70 more)] === [2022-11-19 08:30:30,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:30,960 INFO L85 PathProgramCache]: Analyzing trace with hash -442938488, now seen corresponding path program 1 times [2022-11-19 08:30:30,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:30,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519325151] [2022-11-19 08:30:30,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:30,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:30:31,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:31,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519325151] [2022-11-19 08:30:31,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519325151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:31,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:31,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:30:31,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524052738] [2022-11-19 08:30:31,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:31,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:31,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:31,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:31,248 INFO L87 Difference]: Start difference. First operand 4764 states and 13599 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 08:30:31,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:31,692 INFO L93 Difference]: Finished difference Result 4356 states and 12429 transitions. [2022-11-19 08:30:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:30:31,693 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 24 [2022-11-19 08:30:31,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:31,693 INFO L225 Difference]: With dead ends: 4356 [2022-11-19 08:30:31,694 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:30:31,694 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 08:30:31,694 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 66 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:31,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 36 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 08:30:31,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:30:31,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:30:31,695 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 08:30:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:30:31,696 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2022-11-19 08:30:31,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:31,696 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:30:31,696 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 08:30:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:30:31,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:30:31,698 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (73 of 74 remaining) [2022-11-19 08:30:31,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (72 of 74 remaining) [2022-11-19 08:30:31,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 74 remaining) [2022-11-19 08:30:31,699 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (70 of 74 remaining) [2022-11-19 08:30:31,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (69 of 74 remaining) [2022-11-19 08:30:31,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (68 of 74 remaining) [2022-11-19 08:30:31,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (67 of 74 remaining) [2022-11-19 08:30:31,700 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (66 of 74 remaining) [2022-11-19 08:30:31,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (65 of 74 remaining) [2022-11-19 08:30:31,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (64 of 74 remaining) [2022-11-19 08:30:31,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (63 of 74 remaining) [2022-11-19 08:30:31,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (62 of 74 remaining) [2022-11-19 08:30:31,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (61 of 74 remaining) [2022-11-19 08:30:31,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (60 of 74 remaining) [2022-11-19 08:30:31,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 74 remaining) [2022-11-19 08:30:31,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (58 of 74 remaining) [2022-11-19 08:30:31,702 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (57 of 74 remaining) [2022-11-19 08:30:31,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (56 of 74 remaining) [2022-11-19 08:30:31,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (55 of 74 remaining) [2022-11-19 08:30:31,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (54 of 74 remaining) [2022-11-19 08:30:31,703 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (53 of 74 remaining) [2022-11-19 08:30:31,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (52 of 74 remaining) [2022-11-19 08:30:31,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (51 of 74 remaining) [2022-11-19 08:30:31,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (50 of 74 remaining) [2022-11-19 08:30:31,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (49 of 74 remaining) [2022-11-19 08:30:31,704 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (48 of 74 remaining) [2022-11-19 08:30:31,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (47 of 74 remaining) [2022-11-19 08:30:31,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (46 of 74 remaining) [2022-11-19 08:30:31,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (45 of 74 remaining) [2022-11-19 08:30:31,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (44 of 74 remaining) [2022-11-19 08:30:31,705 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (43 of 74 remaining) [2022-11-19 08:30:31,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (42 of 74 remaining) [2022-11-19 08:30:31,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 74 remaining) [2022-11-19 08:30:31,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 74 remaining) [2022-11-19 08:30:31,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (39 of 74 remaining) [2022-11-19 08:30:31,706 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 74 remaining) [2022-11-19 08:30:31,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 74 remaining) [2022-11-19 08:30:31,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (36 of 74 remaining) [2022-11-19 08:30:31,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (35 of 74 remaining) [2022-11-19 08:30:31,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (34 of 74 remaining) [2022-11-19 08:30:31,707 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (33 of 74 remaining) [2022-11-19 08:30:31,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (32 of 74 remaining) [2022-11-19 08:30:31,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (31 of 74 remaining) [2022-11-19 08:30:31,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (30 of 74 remaining) [2022-11-19 08:30:31,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (29 of 74 remaining) [2022-11-19 08:30:31,708 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (28 of 74 remaining) [2022-11-19 08:30:31,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (27 of 74 remaining) [2022-11-19 08:30:31,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (26 of 74 remaining) [2022-11-19 08:30:31,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (25 of 74 remaining) [2022-11-19 08:30:31,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 74 remaining) [2022-11-19 08:30:31,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (23 of 74 remaining) [2022-11-19 08:30:31,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (22 of 74 remaining) [2022-11-19 08:30:31,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (21 of 74 remaining) [2022-11-19 08:30:31,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (20 of 74 remaining) [2022-11-19 08:30:31,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (19 of 74 remaining) [2022-11-19 08:30:31,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (18 of 74 remaining) [2022-11-19 08:30:31,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (17 of 74 remaining) [2022-11-19 08:30:31,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (16 of 74 remaining) [2022-11-19 08:30:31,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (15 of 74 remaining) [2022-11-19 08:30:31,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (14 of 74 remaining) [2022-11-19 08:30:31,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (13 of 74 remaining) [2022-11-19 08:30:31,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 74 remaining) [2022-11-19 08:30:31,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (11 of 74 remaining) [2022-11-19 08:30:31,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (10 of 74 remaining) [2022-11-19 08:30:31,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (9 of 74 remaining) [2022-11-19 08:30:31,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (8 of 74 remaining) [2022-11-19 08:30:31,712 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 74 remaining) [2022-11-19 08:30:31,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (6 of 74 remaining) [2022-11-19 08:30:31,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (5 of 74 remaining) [2022-11-19 08:30:31,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (4 of 74 remaining) [2022-11-19 08:30:31,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (3 of 74 remaining) [2022-11-19 08:30:31,713 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (2 of 74 remaining) [2022-11-19 08:30:31,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (1 of 74 remaining) [2022-11-19 08:30:31,714 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (0 of 74 remaining) [2022-11-19 08:30:31,714 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 08:30:31,717 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:31,722 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 08:30:31,722 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:30:31,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:30:31 BasicIcfg [2022-11-19 08:30:31,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:30:31,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:30:31,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:30:31,726 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:30:31,727 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:29:57" (3/4) ... [2022-11-19 08:30:31,730 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:30:31,736 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-11-19 08:30:31,736 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-11-19 08:30:31,741 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-19 08:30:31,742 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:30:31,742 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 08:30:31,743 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:30:31,808 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:30:31,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:30:31,809 INFO L158 Benchmark]: Toolchain (without parser) took 36102.94ms. Allocated memory was 121.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 84.9MB in the beginning and 674.6MB in the end (delta: -589.7MB). Peak memory consumption was 481.6MB. Max. memory is 16.1GB. [2022-11-19 08:30:31,809 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 91.6MB in the beginning and 91.6MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:30:31,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.99ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 93.0MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 08:30:31,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.44ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 89.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:30:31,811 INFO L158 Benchmark]: Boogie Preprocessor took 71.60ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 86.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:30:31,811 INFO L158 Benchmark]: RCFGBuilder took 1074.57ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 51.7MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-19 08:30:31,812 INFO L158 Benchmark]: TraceAbstraction took 34453.75ms. Allocated memory was 121.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 51.1MB in the beginning and 679.8MB in the end (delta: -628.7MB). Peak memory consumption was 444.5MB. Max. memory is 16.1GB. [2022-11-19 08:30:31,812 INFO L158 Benchmark]: Witness Printer took 81.99ms. Allocated memory is still 1.2GB. Free memory was 678.8MB in the beginning and 674.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:30:31,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory was 91.6MB in the beginning and 91.6MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.99ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 93.0MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.44ms. Allocated memory is still 121.6MB. Free memory was 93.0MB in the beginning and 89.7MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.60ms. Allocated memory is still 121.6MB. Free memory was 89.7MB in the beginning and 86.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1074.57ms. Allocated memory is still 121.6MB. Free memory was 86.7MB in the beginning and 51.7MB in the end (delta: 35.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 34453.75ms. Allocated memory was 121.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 51.1MB in the beginning and 679.8MB in the end (delta: -628.7MB). Peak memory consumption was 444.5MB. Max. memory is 16.1GB. * Witness Printer took 81.99ms. Allocated memory is still 1.2GB. Free memory was 678.8MB in the beginning and 674.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.6s, 453 PlacesBefore, 130 PlacesAfterwards, 472 TransitionsBefore, 133 TransitionsAfterwards, 33516 CoEnabledTransitionPairs, 31 FixpointIterations, 223 TrivialSequentialCompositions, 309 ConcurrentSequentialCompositions, 44 TrivialYvCompositions, 28 ConcurrentYvCompositions, 16 ChoiceCompositions, 620 TotalNumberOfCompositions, 338063 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 110336, independent: 105574, independent conditional: 0, independent unconditional: 105574, dependent: 4762, dependent conditional: 0, dependent unconditional: 4762, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28415, independent: 28066, independent conditional: 0, independent unconditional: 28066, dependent: 349, dependent conditional: 0, dependent unconditional: 349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28415, independent: 24457, independent conditional: 0, independent unconditional: 24457, dependent: 3958, dependent conditional: 0, dependent unconditional: 3958, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3958, independent: 3609, independent conditional: 0, independent unconditional: 3609, dependent: 349, dependent conditional: 0, dependent unconditional: 349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5469, independent: 4501, independent conditional: 0, independent unconditional: 4501, dependent: 968, dependent conditional: 0, dependent unconditional: 968, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 110336, independent: 77508, independent conditional: 0, independent unconditional: 77508, dependent: 4413, dependent conditional: 0, dependent unconditional: 4413, unknown: 28415, unknown conditional: 0, unknown unconditional: 28415] , Statistics on independence cache: Total cache size (in pairs): 3974, Positive cache size: 3826, Positive conditional cache size: 0, Positive unconditional cache size: 3826, Negative cache size: 148, Negative conditional cache size: 0, Negative unconditional cache size: 148, 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: 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: 65]: 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: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: 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: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 87]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 667 locations, 74 error locations. Started 1 CEGAR loops. OverallTime: 34.2s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 21.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 985 SdHoareTripleChecker+Valid, 4.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 985 mSDsluCounter, 1238 SdHoareTripleChecker+Invalid, 3.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 662 mSDsCounter, 600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4036 IncrementalHoareTripleChecker+Invalid, 4636 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 600 mSolverCounterUnsat, 576 mSDtfsCounter, 4036 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13929occurred in iteration=0, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 3785 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 217 NumberOfCodeBlocks, 217 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 10/10 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 44 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 08:30:31,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b090225-4304-44ba-b174-c5da81f43848/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