./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/07_rand.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/07_rand.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh --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 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 --- 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-2329fc7 [2022-12-14 08:47:24,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 08:47:24,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 08:47:24,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 08:47:24,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 08:47:24,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 08:47:24,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 08:47:24,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 08:47:24,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 08:47:24,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 08:47:24,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 08:47:24,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 08:47:24,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 08:47:24,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 08:47:24,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 08:47:24,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 08:47:24,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 08:47:24,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 08:47:24,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 08:47:24,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 08:47:24,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 08:47:24,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 08:47:24,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 08:47:24,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 08:47:24,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 08:47:24,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 08:47:24,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 08:47:24,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 08:47:24,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 08:47:24,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 08:47:24,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 08:47:24,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 08:47:24,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 08:47:24,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 08:47:24,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 08:47:24,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 08:47:24,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 08:47:24,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 08:47:24,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 08:47:24,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 08:47:24,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 08:47:24,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 08:47:24,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 08:47:24,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 08:47:24,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 08:47:24,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 08:47:24,916 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 08:47:24,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 08:47:24,916 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 08:47:24,916 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 08:47:24,916 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 08:47:24,917 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 08:47:24,917 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 08:47:24,917 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 08:47:24,917 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 08:47:24,917 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 08:47:24,917 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 08:47:24,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 08:47:24,918 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 08:47:24,918 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 08:47:24,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 08:47:24,919 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 08:47:24,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 08:47:24,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 08:47:24,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 08:47:24,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 08:47:24,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 08:47:24,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 08:47:24,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 08:47:24,920 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 08:47:24,920 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 08:47:24,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 08:47:24,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 08:47:24,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 08:47:24,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 08:47:24,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 08:47:24,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:47:24,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 08:47:24,922 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 08:47:24,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 08:47:24,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 08:47:24,922 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 08:47:24,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 08:47:24,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 08:47:24,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 08:47:24,923 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_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 205a9486f54af3fadf53566888e578b0d398a9ea9e18a2466103c3619a5ade13 [2022-12-14 08:47:25,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 08:47:25,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 08:47:25,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 08:47:25,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 08:47:25,112 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 08:47:25,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-ext/07_rand.i [2022-12-14 08:47:27,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 08:47:27,855 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 08:47:27,855 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/sv-benchmarks/c/pthread-ext/07_rand.i [2022-12-14 08:47:27,863 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/data/e3c39f18f/ad29fce71cc84005aab3499259348f60/FLAG90a5b6f8c [2022-12-14 08:47:28,255 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/data/e3c39f18f/ad29fce71cc84005aab3499259348f60 [2022-12-14 08:47:28,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 08:47:28,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 08:47:28,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 08:47:28,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 08:47:28,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 08:47:28,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664e9f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28, skipping insertion in model container [2022-12-14 08:47:28,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 08:47:28,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 08:47:28,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2022-12-14 08:47:28,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2022-12-14 08:47:28,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2022-12-14 08:47:28,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:47:28,545 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 08:47:28,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/sv-benchmarks/c/pthread-ext/07_rand.i[30402,30415] [2022-12-14 08:47:28,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/sv-benchmarks/c/pthread-ext/07_rand.i[30630,30643] [2022-12-14 08:47:28,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/sv-benchmarks/c/pthread-ext/07_rand.i[30891,30904] [2022-12-14 08:47:28,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 08:47:28,591 INFO L208 MainTranslator]: Completed translation [2022-12-14 08:47:28,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28 WrapperNode [2022-12-14 08:47:28,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 08:47:28,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 08:47:28,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 08:47:28,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 08:47:28,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,623 INFO L138 Inliner]: procedures = 174, calls = 21, calls flagged for inlining = 13, calls inlined = 16, statements flattened = 162 [2022-12-14 08:47:28,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 08:47:28,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 08:47:28,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 08:47:28,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 08:47:28,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 08:47:28,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 08:47:28,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 08:47:28,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 08:47:28,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (1/1) ... [2022-12-14 08:47:28,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 08:47:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 08:47:28,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 08:47:28,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_733102ea-7e0d-47d8-86f3-a41932c40782/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 08:47:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 08:47:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 08:47:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 08:47:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 08:47:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 08:47:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 08:47:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 08:47:28,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 08:47:28,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 08:47:28,714 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 08:47:28,809 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 08:47:28,810 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 08:47:29,043 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 08:47:29,126 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 08:47:29,126 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 08:47:29,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:47:29 BoogieIcfgContainer [2022-12-14 08:47:29,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 08:47:29,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 08:47:29,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 08:47:29,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 08:47:29,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 08:47:28" (1/3) ... [2022-12-14 08:47:29,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ff96c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:47:29, skipping insertion in model container [2022-12-14 08:47:29,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:47:28" (2/3) ... [2022-12-14 08:47:29,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ff96c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 08:47:29, skipping insertion in model container [2022-12-14 08:47:29,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 08:47:29" (3/3) ... [2022-12-14 08:47:29,135 INFO L112 eAbstractionObserver]: Analyzing ICFG 07_rand.i [2022-12-14 08:47:29,141 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 08:47:29,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 08:47:29,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-14 08:47:29,149 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 08:47:29,191 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:47:29,215 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:47:29,226 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 131 transitions, 267 flow [2022-12-14 08:47:29,228 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 131 transitions, 267 flow [2022-12-14 08:47:29,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 131 transitions, 267 flow [2022-12-14 08:47:29,269 INFO L130 PetriNetUnfolder]: 11/142 cut-off events. [2022-12-14 08:47:29,269 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 08:47:29,273 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 142 events. 11/142 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 215 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 113. Up to 4 conditions per place. [2022-12-14 08:47:29,275 INFO L119 LiptonReduction]: Number of co-enabled transitions 2800 [2022-12-14 08:47:32,089 INFO L134 LiptonReduction]: Checked pairs total: 2797 [2022-12-14 08:47:32,089 INFO L136 LiptonReduction]: Total number of compositions: 167 [2022-12-14 08:47:32,095 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 29 transitions, 63 flow [2022-12-14 08:47:32,108 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 102 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 101 states have internal predecessors, (194), 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) [2022-12-14 08:47:32,120 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:47:32,124 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@36b63449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:47:32,124 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-12-14 08:47:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 101 states have internal predecessors, (194), 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) [2022-12-14 08:47:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:47:32,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:32,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:47:32,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-12-14 08:47:32,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:32,133 INFO L85 PathProgramCache]: Analyzing trace with hash 24513060, now seen corresponding path program 1 times [2022-12-14 08:47:32,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:32,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126286118] [2022-12-14 08:47:32,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:32,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:47:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:47:32,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:47:32,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126286118] [2022-12-14 08:47:32,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126286118] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:47:32,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:47:32,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:47:32,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045990769] [2022-12-14 08:47:32,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:47:32,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:47:32,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:47:32,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:47:32,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:47:32,274 INFO L87 Difference]: Start difference. First operand has 102 states, 69 states have (on average 2.8115942028985508) internal successors, (194), 101 states have internal predecessors, (194), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 08:47:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:47:32,299 INFO L93 Difference]: Finished difference Result 19 states and 39 transitions. [2022-12-14 08:47:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:47:32,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 08:47:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:47:32,306 INFO L225 Difference]: With dead ends: 19 [2022-12-14 08:47:32,306 INFO L226 Difference]: Without dead ends: 19 [2022-12-14 08:47:32,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:47:32,309 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:47:32,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:47:32,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-12-14 08:47:32,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-14 08:47:32,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 2.1666666666666665) internal successors, (39), 18 states have internal predecessors, (39), 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) [2022-12-14 08:47:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 39 transitions. [2022-12-14 08:47:32,332 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 39 transitions. Word has length 4 [2022-12-14 08:47:32,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:47:32,333 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 39 transitions. [2022-12-14 08:47:32,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 08:47:32,333 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 39 transitions. [2022-12-14 08:47:32,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 08:47:32,333 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:32,334 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-12-14 08:47:32,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 08:47:32,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-12-14 08:47:32,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:32,335 INFO L85 PathProgramCache]: Analyzing trace with hash 2082097714, now seen corresponding path program 1 times [2022-12-14 08:47:32,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:32,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768469682] [2022-12-14 08:47:32,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:32,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:47:32,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:47:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:47:32,384 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:47:32,385 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:47:32,386 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2022-12-14 08:47:32,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2022-12-14 08:47:32,388 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2022-12-14 08:47:32,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2022-12-14 08:47:32,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2022-12-14 08:47:32,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2022-12-14 08:47:32,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2022-12-14 08:47:32,389 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2022-12-14 08:47:32,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2022-12-14 08:47:32,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2022-12-14 08:47:32,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2022-12-14 08:47:32,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2022-12-14 08:47:32,390 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2022-12-14 08:47:32,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2022-12-14 08:47:32,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2022-12-14 08:47:32,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2022-12-14 08:47:32,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2022-12-14 08:47:32,391 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2022-12-14 08:47:32,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2022-12-14 08:47:32,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2022-12-14 08:47:32,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2022-12-14 08:47:32,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2022-12-14 08:47:32,392 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2022-12-14 08:47:32,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2022-12-14 08:47:32,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2022-12-14 08:47:32,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2022-12-14 08:47:32,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2022-12-14 08:47:32,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2022-12-14 08:47:32,393 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2022-12-14 08:47:32,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2022-12-14 08:47:32,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2022-12-14 08:47:32,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2022-12-14 08:47:32,394 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2022-12-14 08:47:32,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 08:47:32,396 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 08:47:32,398 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 08:47:32,398 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-12-14 08:47:32,431 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:47:32,435 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:47:32,436 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 218 places, 232 transitions, 476 flow [2022-12-14 08:47:32,436 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 218 places, 232 transitions, 476 flow [2022-12-14 08:47:32,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 218 places, 232 transitions, 476 flow [2022-12-14 08:47:32,487 INFO L130 PetriNetUnfolder]: 21/256 cut-off events. [2022-12-14 08:47:32,487 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-14 08:47:32,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 256 events. 21/256 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 778 event pairs, 0 based on Foata normal form. 0/200 useless extension candidates. Maximal degree in co-relation 213. Up to 6 conditions per place. [2022-12-14 08:47:32,501 INFO L119 LiptonReduction]: Number of co-enabled transitions 25800 [2022-12-14 08:47:35,783 INFO L134 LiptonReduction]: Checked pairs total: 87854 [2022-12-14 08:47:35,783 INFO L136 LiptonReduction]: Total number of compositions: 264 [2022-12-14 08:47:35,784 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 89 places, 96 transitions, 204 flow [2022-12-14 08:47:35,959 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9322 states, 8726 states have (on average 3.2780197112078846) internal successors, (28604), 9321 states have internal predecessors, (28604), 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) [2022-12-14 08:47:35,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:47:35,961 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;@36b63449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:47:35,961 INFO L358 AbstractCegarLoop]: Starting to check reachability of 49 error locations. [2022-12-14 08:47:35,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 9322 states, 8726 states have (on average 3.2780197112078846) internal successors, (28604), 9321 states have internal predecessors, (28604), 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) [2022-12-14 08:47:35,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:47:35,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:35,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:47:35,980 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-14 08:47:35,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:35,981 INFO L85 PathProgramCache]: Analyzing trace with hash 42338363, now seen corresponding path program 1 times [2022-12-14 08:47:35,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:35,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372461180] [2022-12-14 08:47:35,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:35,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:47:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:47:36,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:47:36,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372461180] [2022-12-14 08:47:36,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372461180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:47:36,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:47:36,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:47:36,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059843959] [2022-12-14 08:47:36,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:47:36,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:47:36,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:47:36,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:47:36,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:47:36,022 INFO L87 Difference]: Start difference. First operand has 9322 states, 8726 states have (on average 3.2780197112078846) internal successors, (28604), 9321 states have internal predecessors, (28604), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 08:47:36,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:47:36,102 INFO L93 Difference]: Finished difference Result 4324 states and 12597 transitions. [2022-12-14 08:47:36,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:47:36,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 08:47:36,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:47:36,129 INFO L225 Difference]: With dead ends: 4324 [2022-12-14 08:47:36,129 INFO L226 Difference]: Without dead ends: 4324 [2022-12-14 08:47:36,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:47:36,130 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 08:47:36,130 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 08:47:36,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4324 states. [2022-12-14 08:47:36,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4324 to 4324. [2022-12-14 08:47:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4324 states, 4275 states have (on average 2.9466666666666668) internal successors, (12597), 4323 states have internal predecessors, (12597), 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) [2022-12-14 08:47:36,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 4324 states and 12597 transitions. [2022-12-14 08:47:36,280 INFO L78 Accepts]: Start accepts. Automaton has 4324 states and 12597 transitions. Word has length 4 [2022-12-14 08:47:36,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:47:36,280 INFO L495 AbstractCegarLoop]: Abstraction has 4324 states and 12597 transitions. [2022-12-14 08:47:36,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 08:47:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 4324 states and 12597 transitions. [2022-12-14 08:47:36,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 08:47:36,281 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:36,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 08:47:36,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 08:47:36,281 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-14 08:47:36,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:36,282 INFO L85 PathProgramCache]: Analyzing trace with hash 2032342110, now seen corresponding path program 1 times [2022-12-14 08:47:36,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:36,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740275346] [2022-12-14 08:47:36,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:36,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:47:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:47:36,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:47:36,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740275346] [2022-12-14 08:47:36,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740275346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:47:36,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:47:36,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:47:36,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409225700] [2022-12-14 08:47:36,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:47:36,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:47:36,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:47:36,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:47:36,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:36,315 INFO L87 Difference]: Start difference. First operand 4324 states and 12597 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 08:47:36,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:47:36,434 INFO L93 Difference]: Finished difference Result 5435 states and 15831 transitions. [2022-12-14 08:47:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:47:36,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-12-14 08:47:36,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:47:36,457 INFO L225 Difference]: With dead ends: 5435 [2022-12-14 08:47:36,457 INFO L226 Difference]: Without dead ends: 5435 [2022-12-14 08:47:36,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:36,458 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 61 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:47:36,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 64 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:47:36,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5435 states. [2022-12-14 08:47:36,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5435 to 4175. [2022-12-14 08:47:36,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4175 states, 4135 states have (on average 2.9753325272067714) internal successors, (12303), 4174 states have internal predecessors, (12303), 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) [2022-12-14 08:47:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 4175 states and 12303 transitions. [2022-12-14 08:47:36,602 INFO L78 Accepts]: Start accepts. Automaton has 4175 states and 12303 transitions. Word has length 6 [2022-12-14 08:47:36,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:47:36,602 INFO L495 AbstractCegarLoop]: Abstraction has 4175 states and 12303 transitions. [2022-12-14 08:47:36,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 08:47:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 4175 states and 12303 transitions. [2022-12-14 08:47:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:47:36,603 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:36,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:47:36,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 08:47:36,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-14 08:47:36,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:36,604 INFO L85 PathProgramCache]: Analyzing trace with hash -641407456, now seen corresponding path program 1 times [2022-12-14 08:47:36,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:36,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967278899] [2022-12-14 08:47:36,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:36,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:47:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:47:36,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:47:36,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967278899] [2022-12-14 08:47:36,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967278899] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:47:36,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:47:36,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:47:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800606366] [2022-12-14 08:47:36,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:47:36,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:47:36,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:47:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:47:36,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:36,633 INFO L87 Difference]: Start difference. First operand 4175 states and 12303 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:47:36,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:47:36,733 INFO L93 Difference]: Finished difference Result 4231 states and 12453 transitions. [2022-12-14 08:47:36,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:47:36,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 08:47:36,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:47:36,756 INFO L225 Difference]: With dead ends: 4231 [2022-12-14 08:47:36,756 INFO L226 Difference]: Without dead ends: 4231 [2022-12-14 08:47:36,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:36,757 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 31 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:47:36,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 61 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:47:36,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4231 states. [2022-12-14 08:47:36,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4231 to 4231. [2022-12-14 08:47:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4231 states, 4191 states have (on average 2.9713672154617035) internal successors, (12453), 4230 states have internal predecessors, (12453), 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) [2022-12-14 08:47:36,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 4231 states and 12453 transitions. [2022-12-14 08:47:36,863 INFO L78 Accepts]: Start accepts. Automaton has 4231 states and 12453 transitions. Word has length 9 [2022-12-14 08:47:36,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:47:36,863 INFO L495 AbstractCegarLoop]: Abstraction has 4231 states and 12453 transitions. [2022-12-14 08:47:36,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:47:36,863 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 12453 transitions. [2022-12-14 08:47:36,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:47:36,864 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:36,864 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:47:36,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 08:47:36,864 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-14 08:47:36,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:36,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1361105292, now seen corresponding path program 1 times [2022-12-14 08:47:36,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:36,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053012294] [2022-12-14 08:47:36,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:36,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:47:36,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:47:36,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:47:36,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053012294] [2022-12-14 08:47:36,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053012294] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:47:36,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:47:36,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:47:36,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969182009] [2022-12-14 08:47:36,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:47:36,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:47:36,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:47:36,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:47:36,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:36,901 INFO L87 Difference]: Start difference. First operand 4231 states and 12453 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2022-12-14 08:47:36,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:47:36,974 INFO L93 Difference]: Finished difference Result 3051 states and 8783 transitions. [2022-12-14 08:47:36,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:47:36,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 [2022-12-14 08:47:36,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:47:36,984 INFO L225 Difference]: With dead ends: 3051 [2022-12-14 08:47:36,984 INFO L226 Difference]: Without dead ends: 3051 [2022-12-14 08:47:36,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:36,985 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 35 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:47:36,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 77 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:47:36,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2022-12-14 08:47:37,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2651. [2022-12-14 08:47:37,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2651 states, 2620 states have (on average 2.9248091603053434) internal successors, (7663), 2650 states have internal predecessors, (7663), 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) [2022-12-14 08:47:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2651 states and 7663 transitions. [2022-12-14 08:47:37,041 INFO L78 Accepts]: Start accepts. Automaton has 2651 states and 7663 transitions. Word has length 10 [2022-12-14 08:47:37,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:47:37,042 INFO L495 AbstractCegarLoop]: Abstraction has 2651 states and 7663 transitions. [2022-12-14 08:47:37,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2022-12-14 08:47:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 7663 transitions. [2022-12-14 08:47:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 08:47:37,042 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:37,042 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 08:47:37,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 08:47:37,043 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 45 more)] === [2022-12-14 08:47:37,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:37,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2028517628, now seen corresponding path program 1 times [2022-12-14 08:47:37,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:37,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329609230] [2022-12-14 08:47:37,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:37,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:47:37,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:47:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:47:37,058 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:47:37,058 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:47:37,058 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 49 remaining) [2022-12-14 08:47:37,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 49 remaining) [2022-12-14 08:47:37,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 49 remaining) [2022-12-14 08:47:37,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 49 remaining) [2022-12-14 08:47:37,058 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (41 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (40 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (39 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (38 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 49 remaining) [2022-12-14 08:47:37,059 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 49 remaining) [2022-12-14 08:47:37,060 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (20 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 49 remaining) [2022-12-14 08:47:37,061 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 49 remaining) [2022-12-14 08:47:37,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 49 remaining) [2022-12-14 08:47:37,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 49 remaining) [2022-12-14 08:47:37,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (4 of 49 remaining) [2022-12-14 08:47:37,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 49 remaining) [2022-12-14 08:47:37,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 49 remaining) [2022-12-14 08:47:37,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 49 remaining) [2022-12-14 08:47:37,062 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 49 remaining) [2022-12-14 08:47:37,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 08:47:37,062 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-14 08:47:37,062 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 08:47:37,063 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-12-14 08:47:37,087 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:47:37,089 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:47:37,089 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 312 places, 333 transitions, 687 flow [2022-12-14 08:47:37,090 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 312 places, 333 transitions, 687 flow [2022-12-14 08:47:37,090 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 312 places, 333 transitions, 687 flow [2022-12-14 08:47:37,137 INFO L130 PetriNetUnfolder]: 31/370 cut-off events. [2022-12-14 08:47:37,137 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-14 08:47:37,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 370 events. 31/370 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1413 event pairs, 0 based on Foata normal form. 0/287 useless extension candidates. Maximal degree in co-relation 313. Up to 8 conditions per place. [2022-12-14 08:47:37,176 INFO L119 LiptonReduction]: Number of co-enabled transitions 69000 [2022-12-14 08:47:42,068 INFO L134 LiptonReduction]: Checked pairs total: 258284 [2022-12-14 08:47:42,069 INFO L136 LiptonReduction]: Total number of compositions: 404 [2022-12-14 08:47:42,069 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 132 places, 138 transitions, 297 flow [2022-12-14 08:47:49,105 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 381966 states, 371831 states have (on average 4.175934766063077) internal successors, (1552742), 381965 states have internal predecessors, (1552742), 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) [2022-12-14 08:47:49,106 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 08:47:49,106 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;@36b63449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 08:47:49,107 INFO L358 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2022-12-14 08:47:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 381966 states, 371831 states have (on average 4.175934766063077) internal successors, (1552742), 381965 states have internal predecessors, (1552742), 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) [2022-12-14 08:47:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 08:47:49,819 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:49,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 08:47:49,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-14 08:47:49,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:49,820 INFO L85 PathProgramCache]: Analyzing trace with hash 66947744, now seen corresponding path program 1 times [2022-12-14 08:47:49,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:49,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139020842] [2022-12-14 08:47:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:49,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:47:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:47:49,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:47:49,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139020842] [2022-12-14 08:47:49,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139020842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:47:49,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:47:49,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 08:47:49,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679831070] [2022-12-14 08:47:49,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:47:49,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-14 08:47:49,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:47:49,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-14 08:47:49,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:47:50,328 INFO L87 Difference]: Start difference. First operand has 381966 states, 371831 states have (on average 4.175934766063077) internal successors, (1552742), 381965 states have internal predecessors, (1552742), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 08:47:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:47:51,960 INFO L93 Difference]: Finished difference Result 133838 states and 532538 transitions. [2022-12-14 08:47:51,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-14 08:47:51,961 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 08:47:51,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:47:52,715 INFO L225 Difference]: With dead ends: 133838 [2022-12-14 08:47:52,716 INFO L226 Difference]: Without dead ends: 133838 [2022-12-14 08:47:52,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-14 08:47:52,716 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:47:52,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:47:53,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133838 states. [2022-12-14 08:47:56,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133838 to 133838. [2022-12-14 08:47:56,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133838 states, 133495 states have (on average 3.9891980973070154) internal successors, (532538), 133837 states have internal predecessors, (532538), 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) [2022-12-14 08:47:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133838 states to 133838 states and 532538 transitions. [2022-12-14 08:47:56,856 INFO L78 Accepts]: Start accepts. Automaton has 133838 states and 532538 transitions. Word has length 4 [2022-12-14 08:47:56,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:47:56,856 INFO L495 AbstractCegarLoop]: Abstraction has 133838 states and 532538 transitions. [2022-12-14 08:47:56,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 08:47:56,857 INFO L276 IsEmpty]: Start isEmpty. Operand 133838 states and 532538 transitions. [2022-12-14 08:47:56,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 08:47:56,857 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:47:56,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-14 08:47:56,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 08:47:56,857 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-14 08:47:56,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:47:56,858 INFO L85 PathProgramCache]: Analyzing trace with hash -87673661, now seen corresponding path program 1 times [2022-12-14 08:47:56,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:47:56,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316799068] [2022-12-14 08:47:56,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:47:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:47:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:47:56,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:47:56,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:47:56,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316799068] [2022-12-14 08:47:56,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316799068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:47:56,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:47:56,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:47:56,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335683546] [2022-12-14 08:47:56,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:47:56,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:47:56,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:47:56,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:47:56,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:56,875 INFO L87 Difference]: Start difference. First operand 133838 states and 532538 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 08:47:58,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:47:58,481 INFO L93 Difference]: Finished difference Result 194771 states and 769003 transitions. [2022-12-14 08:47:58,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:47:58,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-12-14 08:47:58,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:47:59,614 INFO L225 Difference]: With dead ends: 194771 [2022-12-14 08:47:59,614 INFO L226 Difference]: Without dead ends: 194771 [2022-12-14 08:47:59,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:47:59,615 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 92 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:47:59,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 87 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:48:00,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194771 states. [2022-12-14 08:48:03,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194771 to 131743. [2022-12-14 08:48:03,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131743 states, 131461 states have (on average 4.06373753432577) internal successors, (534223), 131742 states have internal predecessors, (534223), 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) [2022-12-14 08:48:04,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131743 states to 131743 states and 534223 transitions. [2022-12-14 08:48:04,312 INFO L78 Accepts]: Start accepts. Automaton has 131743 states and 534223 transitions. Word has length 6 [2022-12-14 08:48:04,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:48:04,313 INFO L495 AbstractCegarLoop]: Abstraction has 131743 states and 534223 transitions. [2022-12-14 08:48:04,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2022-12-14 08:48:04,313 INFO L276 IsEmpty]: Start isEmpty. Operand 131743 states and 534223 transitions. [2022-12-14 08:48:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 08:48:04,313 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:48:04,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:48:04,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 08:48:04,314 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-14 08:48:04,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:48:04,314 INFO L85 PathProgramCache]: Analyzing trace with hash -533622884, now seen corresponding path program 1 times [2022-12-14 08:48:04,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:48:04,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700069985] [2022-12-14 08:48:04,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:48:04,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:48:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:48:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:48:04,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:48:04,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700069985] [2022-12-14 08:48:04,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700069985] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:48:04,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:48:04,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:48:04,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247137135] [2022-12-14 08:48:04,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:48:04,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:48:04,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:48:04,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:48:04,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:04,341 INFO L87 Difference]: Start difference. First operand 131743 states and 534223 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:48:05,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:48:05,634 INFO L93 Difference]: Finished difference Result 135327 states and 548163 transitions. [2022-12-14 08:48:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:48:05,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-12-14 08:48:05,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:48:06,274 INFO L225 Difference]: With dead ends: 135327 [2022-12-14 08:48:06,274 INFO L226 Difference]: Without dead ends: 135327 [2022-12-14 08:48:06,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:06,275 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 62 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:48:06,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 89 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:48:06,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135327 states. [2022-12-14 08:48:09,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135327 to 135327. [2022-12-14 08:48:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135327 states, 135045 states have (on average 4.059113628790403) internal successors, (548163), 135326 states have internal predecessors, (548163), 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) [2022-12-14 08:48:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135327 states to 135327 states and 548163 transitions. [2022-12-14 08:48:10,442 INFO L78 Accepts]: Start accepts. Automaton has 135327 states and 548163 transitions. Word has length 9 [2022-12-14 08:48:10,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:48:10,442 INFO L495 AbstractCegarLoop]: Abstraction has 135327 states and 548163 transitions. [2022-12-14 08:48:10,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 08:48:10,443 INFO L276 IsEmpty]: Start isEmpty. Operand 135327 states and 548163 transitions. [2022-12-14 08:48:10,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 08:48:10,443 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:48:10,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:48:10,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 08:48:10,443 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err12ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-14 08:48:10,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:48:10,444 INFO L85 PathProgramCache]: Analyzing trace with hash 321189433, now seen corresponding path program 1 times [2022-12-14 08:48:10,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:48:10,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094873642] [2022-12-14 08:48:10,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:48:10,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:48:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:48:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:48:10,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:48:10,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094873642] [2022-12-14 08:48:10,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094873642] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:48:10,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:48:10,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:48:10,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158925122] [2022-12-14 08:48:10,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:48:10,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:48:10,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:48:10,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:48:10,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:10,474 INFO L87 Difference]: Start difference. First operand 135327 states and 548163 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2022-12-14 08:48:11,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:48:11,526 INFO L93 Difference]: Finished difference Result 128199 states and 510613 transitions. [2022-12-14 08:48:11,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:48:11,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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 [2022-12-14 08:48:11,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:48:12,112 INFO L225 Difference]: With dead ends: 128199 [2022-12-14 08:48:12,112 INFO L226 Difference]: Without dead ends: 128199 [2022-12-14 08:48:12,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:12,113 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 89 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:48:12,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 113 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:48:12,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128199 states. [2022-12-14 08:48:15,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128199 to 103659. [2022-12-14 08:48:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103659 states, 103418 states have (on average 4.045920439381926) internal successors, (418421), 103658 states have internal predecessors, (418421), 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) [2022-12-14 08:48:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103659 states to 103659 states and 418421 transitions. [2022-12-14 08:48:15,668 INFO L78 Accepts]: Start accepts. Automaton has 103659 states and 418421 transitions. Word has length 10 [2022-12-14 08:48:15,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:48:15,668 INFO L495 AbstractCegarLoop]: Abstraction has 103659 states and 418421 transitions. [2022-12-14 08:48:15,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 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) [2022-12-14 08:48:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 103659 states and 418421 transitions. [2022-12-14 08:48:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 08:48:15,670 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:48:15,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:48:15,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 08:48:15,670 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-14 08:48:15,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:48:15,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1477718320, now seen corresponding path program 1 times [2022-12-14 08:48:15,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:48:15,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572066388] [2022-12-14 08:48:15,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:48:15,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:48:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:48:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 08:48:15,691 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:48:15,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572066388] [2022-12-14 08:48:15,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572066388] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:48:15,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:48:15,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:48:15,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160814784] [2022-12-14 08:48:15,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:48:15,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:48:15,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:48:15,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:48:15,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:15,693 INFO L87 Difference]: Start difference. First operand 103659 states and 418421 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 08:48:16,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:48:16,723 INFO L93 Difference]: Finished difference Result 112438 states and 451724 transitions. [2022-12-14 08:48:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:48:16,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-12-14 08:48:16,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:48:17,260 INFO L225 Difference]: With dead ends: 112438 [2022-12-14 08:48:17,260 INFO L226 Difference]: Without dead ends: 112438 [2022-12-14 08:48:17,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:17,261 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 67 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:48:17,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 101 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:48:17,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112438 states. [2022-12-14 08:48:19,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112438 to 107739. [2022-12-14 08:48:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107739 states, 107499 states have (on average 4.031460757774491) internal successors, (433378), 107738 states have internal predecessors, (433378), 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) [2022-12-14 08:48:20,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107739 states to 107739 states and 433378 transitions. [2022-12-14 08:48:20,550 INFO L78 Accepts]: Start accepts. Automaton has 107739 states and 433378 transitions. Word has length 12 [2022-12-14 08:48:20,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:48:20,550 INFO L495 AbstractCegarLoop]: Abstraction has 107739 states and 433378 transitions. [2022-12-14 08:48:20,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 08:48:20,550 INFO L276 IsEmpty]: Start isEmpty. Operand 107739 states and 433378 transitions. [2022-12-14 08:48:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 08:48:20,551 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:48:20,551 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:48:20,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 08:48:20,551 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-14 08:48:20,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:48:20,552 INFO L85 PathProgramCache]: Analyzing trace with hash 304151620, now seen corresponding path program 1 times [2022-12-14 08:48:20,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:48:20,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662941829] [2022-12-14 08:48:20,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:48:20,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:48:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 08:48:20,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 08:48:20,574 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 08:48:20,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662941829] [2022-12-14 08:48:20,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662941829] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 08:48:20,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 08:48:20,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 08:48:20,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897844497] [2022-12-14 08:48:20,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 08:48:20,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 08:48:20,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 08:48:20,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 08:48:20,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:20,576 INFO L87 Difference]: Start difference. First operand 107739 states and 433378 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 08:48:21,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 08:48:21,610 INFO L93 Difference]: Finished difference Result 110170 states and 442909 transitions. [2022-12-14 08:48:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 08:48:21,610 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-12-14 08:48:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 08:48:22,126 INFO L225 Difference]: With dead ends: 110170 [2022-12-14 08:48:22,126 INFO L226 Difference]: Without dead ends: 110170 [2022-12-14 08:48:22,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 08:48:22,127 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 61 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 08:48:22,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 87 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 08:48:22,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110170 states. [2022-12-14 08:48:24,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110170 to 110170. [2022-12-14 08:48:24,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110170 states, 109932 states have (on average 4.02893606957028) internal successors, (442909), 110169 states have internal predecessors, (442909), 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) [2022-12-14 08:48:25,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110170 states to 110170 states and 442909 transitions. [2022-12-14 08:48:25,311 INFO L78 Accepts]: Start accepts. Automaton has 110170 states and 442909 transitions. Word has length 13 [2022-12-14 08:48:25,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 08:48:25,311 INFO L495 AbstractCegarLoop]: Abstraction has 110170 states and 442909 transitions. [2022-12-14 08:48:25,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-14 08:48:25,311 INFO L276 IsEmpty]: Start isEmpty. Operand 110170 states and 442909 transitions. [2022-12-14 08:48:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 08:48:25,312 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 08:48:25,312 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2022-12-14 08:48:25,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 08:48:25,312 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err8ASSERT_VIOLATIONDATA_RACE (and 61 more)] === [2022-12-14 08:48:25,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 08:48:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash -979344447, now seen corresponding path program 1 times [2022-12-14 08:48:25,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 08:48:25,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219903602] [2022-12-14 08:48:25,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 08:48:25,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 08:48:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:48:25,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 08:48:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 08:48:25,328 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 08:48:25,328 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 08:48:25,328 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (64 of 65 remaining) [2022-12-14 08:48:25,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (63 of 65 remaining) [2022-12-14 08:48:25,328 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (62 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (61 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (60 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (59 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (58 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (57 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (56 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (55 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (54 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (53 of 65 remaining) [2022-12-14 08:48:25,329 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (52 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (51 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (50 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (49 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (48 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (47 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (46 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (45 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (44 of 65 remaining) [2022-12-14 08:48:25,330 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (43 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (42 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (41 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (40 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (39 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (38 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (37 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (36 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (35 of 65 remaining) [2022-12-14 08:48:25,331 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (34 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (33 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (32 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (31 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (30 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (29 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (27 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (26 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (25 of 65 remaining) [2022-12-14 08:48:25,332 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (24 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (23 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (20 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (19 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (18 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (17 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (16 of 65 remaining) [2022-12-14 08:48:25,333 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (15 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (14 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (12 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (11 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (10 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (9 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (8 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (7 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (6 of 65 remaining) [2022-12-14 08:48:25,334 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (5 of 65 remaining) [2022-12-14 08:48:25,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (4 of 65 remaining) [2022-12-14 08:48:25,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (3 of 65 remaining) [2022-12-14 08:48:25,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (2 of 65 remaining) [2022-12-14 08:48:25,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (1 of 65 remaining) [2022-12-14 08:48:25,335 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (0 of 65 remaining) [2022-12-14 08:48:25,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 08:48:25,335 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-14 08:48:25,336 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2022-12-14 08:48:25,336 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2022-12-14 08:48:25,358 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 08:48:25,361 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 08:48:25,362 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 434 transitions, 900 flow [2022-12-14 08:48:25,362 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 434 transitions, 900 flow [2022-12-14 08:48:25,362 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 434 transitions, 900 flow [2022-12-14 08:48:25,475 INFO L130 PetriNetUnfolder]: 41/484 cut-off events. [2022-12-14 08:48:25,475 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-14 08:48:25,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 507 conditions, 484 events. 41/484 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2143 event pairs, 0 based on Foata normal form. 0/374 useless extension candidates. Maximal degree in co-relation 413. Up to 10 conditions per place. [2022-12-14 08:48:25,520 INFO L119 LiptonReduction]: Number of co-enabled transitions 132400 [2022-12-14 08:48:34,307 INFO L134 LiptonReduction]: Checked pairs total: 506203 [2022-12-14 08:48:34,307 INFO L136 LiptonReduction]: Total number of compositions: 527 [2022-12-14 08:48:34,309 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 177 places, 191 transitions, 414 flow