./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-atomic/dekker-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-atomic/dekker-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8495a4f5aea7cc78cc34cbe091df9506d17978f2685019ca49cb76f0e1f4a919 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 09:43:43,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 09:43:43,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 09:43:43,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 09:43:43,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 09:43:43,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 09:43:43,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 09:43:43,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 09:43:43,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 09:43:43,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 09:43:43,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 09:43:43,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 09:43:43,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 09:43:43,811 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 09:43:43,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 09:43:43,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 09:43:43,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 09:43:43,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 09:43:43,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 09:43:43,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 09:43:43,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 09:43:43,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 09:43:43,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 09:43:43,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 09:43:43,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 09:43:43,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 09:43:43,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 09:43:43,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 09:43:43,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 09:43:43,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 09:43:43,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 09:43:43,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 09:43:43,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 09:43:43,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 09:43:43,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 09:43:43,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 09:43:43,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 09:43:43,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 09:43:43,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 09:43:43,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 09:43:43,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 09:43:43,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-12-07 09:43:43,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 09:43:43,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 09:43:43,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 09:43:43,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 09:43:43,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 09:43:43,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 09:43:43,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 09:43:43,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 09:43:43,918 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 09:43:43,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 09:43:43,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 09:43:43,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 09:43:43,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 09:43:43,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 09:43:43,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 09:43:43,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 09:43:43,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 09:43:43,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 09:43:43,927 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-12-07 09:43:43,927 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 09:43:43,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 09:43:43,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 09:43:43,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 09:43:43,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 09:43:43,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 09:43:43,929 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-12-07 09:43:43,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 09:43:43,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:43,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 09:43:43,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 09:43:43,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 09:43:43,932 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 09:43:43,932 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-12-07 09:43:43,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 09:43:43,932 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 09:43:43,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-12-07 09:43:43,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 09:43:43,933 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-12-07 09:43:43,933 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-12-07 09:43:43,933 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_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8495a4f5aea7cc78cc34cbe091df9506d17978f2685019ca49cb76f0e1f4a919 [2021-12-07 09:43:44,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 09:43:44,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 09:43:44,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 09:43:44,231 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 09:43:44,231 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 09:43:44,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/../../sv-benchmarks/c/pthread-atomic/dekker-b.i [2021-12-07 09:43:44,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/data/bd72af221/f5eebfb9d5bd42a4bc20ea6965c9d8af/FLAGb4d6d02bd [2021-12-07 09:43:44,794 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 09:43:44,794 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/sv-benchmarks/c/pthread-atomic/dekker-b.i [2021-12-07 09:43:44,810 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/data/bd72af221/f5eebfb9d5bd42a4bc20ea6965c9d8af/FLAGb4d6d02bd [2021-12-07 09:43:45,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/data/bd72af221/f5eebfb9d5bd42a4bc20ea6965c9d8af [2021-12-07 09:43:45,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 09:43:45,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 09:43:45,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:45,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 09:43:45,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 09:43:45,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ab889f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45, skipping insertion in model container [2021-12-07 09:43:45,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 09:43:45,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 09:43:45,634 WARN L230 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_d9423e5a-6776-43fe-acbb-082395cb3347/sv-benchmarks/c/pthread-atomic/dekker-b.i[30165,30178] [2021-12-07 09:43:45,640 WARN L230 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_d9423e5a-6776-43fe-acbb-082395cb3347/sv-benchmarks/c/pthread-atomic/dekker-b.i[30411,30424] [2021-12-07 09:43:45,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:43:45,665 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 09:43:45,726 WARN L230 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_d9423e5a-6776-43fe-acbb-082395cb3347/sv-benchmarks/c/pthread-atomic/dekker-b.i[30165,30178] [2021-12-07 09:43:45,736 WARN L230 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_d9423e5a-6776-43fe-acbb-082395cb3347/sv-benchmarks/c/pthread-atomic/dekker-b.i[30411,30424] [2021-12-07 09:43:45,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 09:43:45,793 INFO L208 MainTranslator]: Completed translation [2021-12-07 09:43:45,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45 WrapperNode [2021-12-07 09:43:45,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 09:43:45,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 09:43:45,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 09:43:45,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 09:43:45,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,873 INFO L137 Inliner]: procedures = 168, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2021-12-07 09:43:45,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 09:43:45,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 09:43:45,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 09:43:45,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 09:43:45,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 09:43:45,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 09:43:45,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 09:43:45,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 09:43:45,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (1/1) ... [2021-12-07 09:43:45,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 09:43:45,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:43:45,969 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 09:43:45,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 09:43:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 09:43:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2021-12-07 09:43:46,003 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2021-12-07 09:43:46,003 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-12-07 09:43:46,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-12-07 09:43:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 09:43:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 09:43:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 09:43:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 09:43:46,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 09:43:46,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 09:43:46,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 09:43:46,006 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-07 09:43:46,129 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 09:43:46,131 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 09:43:46,451 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 09:43:46,461 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 09:43:46,461 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-07 09:43:46,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:43:46 BoogieIcfgContainer [2021-12-07 09:43:46,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 09:43:46,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 09:43:46,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 09:43:46,469 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 09:43:46,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:43:45" (1/3) ... [2021-12-07 09:43:46,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af4961b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:43:46, skipping insertion in model container [2021-12-07 09:43:46,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:43:45" (2/3) ... [2021-12-07 09:43:46,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1af4961b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:43:46, skipping insertion in model container [2021-12-07 09:43:46,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:43:46" (3/3) ... [2021-12-07 09:43:46,471 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker-b.i [2021-12-07 09:43:46,476 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-07 09:43:46,476 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 09:43:46,477 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2021-12-07 09:43:46,477 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-07 09:43:46,522 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,522 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,522 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,523 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,523 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,523 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,523 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,524 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,528 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,528 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,528 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,529 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,529 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,529 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,530 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,530 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,530 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,531 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,531 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,531 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,531 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,532 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,532 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,532 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,532 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,536 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,536 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,536 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,536 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,537 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,537 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,537 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,537 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,537 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,538 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,538 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,538 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,538 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,539 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,539 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,539 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,539 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,540 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,540 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,540 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,540 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,540 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,542 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,543 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,543 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,543 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,545 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,546 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,547 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,548 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,551 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,551 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,551 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,552 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,552 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,552 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,552 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,553 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,553 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,553 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,553 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,554 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,555 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,556 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,557 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,558 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,559 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,560 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,563 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,563 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,564 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,565 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,565 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,568 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,571 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,571 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,571 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,571 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,572 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,572 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,572 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,573 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,573 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-07 09:43:46,582 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-07 09:43:46,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-12-07 09:43:46,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 [2021-12-07 09:43:46,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-12-07 09:43:46,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-12-07 09:43:46,672 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2021-12-07 09:43:46,679 INFO L339 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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 09:43:46,679 INFO L340 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2021-12-07 09:43:46,833 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:46,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:46,838 INFO L85 PathProgramCache]: Analyzing trace with hash 163250644, now seen corresponding path program 1 times [2021-12-07 09:43:46,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:46,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937936031] [2021-12-07 09:43:46,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:46,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:43:47,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:47,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937936031] [2021-12-07 09:43:47,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937936031] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:47,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:47,157 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 09:43:47,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434724453] [2021-12-07 09:43:47,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:47,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 09:43:47,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:47,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 09:43:47,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 09:43:47,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,197 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:47,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2021-12-07 09:43:47,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 09:43:47,318 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:47,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:47,319 INFO L85 PathProgramCache]: Analyzing trace with hash 358244650, now seen corresponding path program 1 times [2021-12-07 09:43:47,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:47,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522424877] [2021-12-07 09:43:47,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:47,320 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:47,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:43:47,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:47,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522424877] [2021-12-07 09:43:47,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522424877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:47,439 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:47,439 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:43:47,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171068780] [2021-12-07 09:43:47,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:47,441 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:47,441 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:47,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:47,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:47,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,442 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:47,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-12-07 09:43:47,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 09:43:47,489 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:47,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:47,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1432691382, now seen corresponding path program 1 times [2021-12-07 09:43:47,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:47,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352640216] [2021-12-07 09:43:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:47,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:47,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:43:47,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:47,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352640216] [2021-12-07 09:43:47,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352640216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:47,588 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:47,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:43:47,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312998390] [2021-12-07 09:43:47,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:47,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:47,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:47,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:47,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,592 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:47,592 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2021-12-07 09:43:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,689 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 09:43:47,691 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:47,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:47,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1110789580, now seen corresponding path program 1 times [2021-12-07 09:43:47,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:47,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403369296] [2021-12-07 09:43:47,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:47,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:47,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:43:47,789 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:47,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403369296] [2021-12-07 09:43:47,789 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403369296] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:47,790 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:47,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:43:47,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564044848] [2021-12-07 09:43:47,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:47,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:47,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:47,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:47,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,792 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:47,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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) [2021-12-07 09:43:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,829 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 09:43:47,830 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:47,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:47,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1208320287, now seen corresponding path program 1 times [2021-12-07 09:43:47,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:47,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671412116] [2021-12-07 09:43:47,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:47,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 09:43:47,946 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:47,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671412116] [2021-12-07 09:43:47,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671412116] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:47,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:47,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:43:47,948 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647862946] [2021-12-07 09:43:47,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:47,948 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:47,948 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:47,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:47,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:47,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:47,949 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:47,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-12-07 09:43:47,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-12-07 09:43:47,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:47,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 09:43:48,143 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:48,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1067026093, now seen corresponding path program 1 times [2021-12-07 09:43:48,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:48,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855197234] [2021-12-07 09:43:48,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:48,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 09:43:48,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:48,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855197234] [2021-12-07 09:43:48,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855197234] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:48,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:48,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:43:48,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154759511] [2021-12-07 09:43:48,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:48,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:48,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:48,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:48,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:48,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,248 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:48,248 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 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) [2021-12-07 09:43:48,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 09:43:48,295 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:48,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:48,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1917497572, now seen corresponding path program 1 times [2021-12-07 09:43:48,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:48,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990673521] [2021-12-07 09:43:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:48,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 09:43:48,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:48,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990673521] [2021-12-07 09:43:48,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990673521] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:48,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:48,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:43:48,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682999953] [2021-12-07 09:43:48,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:48,376 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:48,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:48,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:48,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:48,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,379 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:48,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 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) [2021-12-07 09:43:48,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 09:43:48,441 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:48,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:48,443 INFO L85 PathProgramCache]: Analyzing trace with hash -146744856, now seen corresponding path program 1 times [2021-12-07 09:43:48,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:48,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115343640] [2021-12-07 09:43:48,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:48,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:48,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 09:43:48,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:48,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115343640] [2021-12-07 09:43:48,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115343640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:48,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:48,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:43:48,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7224932] [2021-12-07 09:43:48,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:48,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:48,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:48,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:48,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:48,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,543 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:48,543 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 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) [2021-12-07 09:43:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,587 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 09:43:48,587 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:48,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:48,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1576054596, now seen corresponding path program 1 times [2021-12-07 09:43:48,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:48,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743306637] [2021-12-07 09:43:48,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:48,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-12-07 09:43:48,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:48,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743306637] [2021-12-07 09:43:48,649 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743306637] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:48,649 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:48,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:43:48,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287277298] [2021-12-07 09:43:48,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:48,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:48,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:48,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:48,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,651 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:48,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 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) [2021-12-07 09:43:48,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,727 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-07 09:43:48,727 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err8ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:48,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:48,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2103078579, now seen corresponding path program 1 times [2021-12-07 09:43:48,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:48,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807741173] [2021-12-07 09:43:48,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:48,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-07 09:43:48,786 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:48,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807741173] [2021-12-07 09:43:48,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807741173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:48,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:48,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:43:48,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676611594] [2021-12-07 09:43:48,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:48,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:48,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:48,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:48,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:48,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,791 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:48,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 48.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2021-12-07 09:43:48,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-07 09:43:48,850 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:48,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash -84285160, now seen corresponding path program 1 times [2021-12-07 09:43:48,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:48,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537766494] [2021-12-07 09:43:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:48,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:48,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-07 09:43:48,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:48,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537766494] [2021-12-07 09:43:48,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537766494] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:48,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:48,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 09:43:48,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168625906] [2021-12-07 09:43:48,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:48,900 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:48,900 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:48,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:48,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,902 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:48,902 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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) [2021-12-07 09:43:48,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-07 09:43:48,937 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:48,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1682155730, now seen corresponding path program 1 times [2021-12-07 09:43:48,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:48,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429704199] [2021-12-07 09:43:48,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:48,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-07 09:43:48,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:48,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429704199] [2021-12-07 09:43:48,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429704199] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:48,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:48,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 09:43:48,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158207678] [2021-12-07 09:43:48,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:48,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 09:43:48,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:48,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 09:43:48,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 09:43:48,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:48,984 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:48,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 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) [2021-12-07 09:43:48,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:48,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,985 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,987 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:48,988 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:49,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,021 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-07 09:43:49,023 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:49,023 INFO L85 PathProgramCache]: Analyzing trace with hash 607217162, now seen corresponding path program 2 times [2021-12-07 09:43:49,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:49,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307234085] [2021-12-07 09:43:49,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:49,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 09:43:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-07 09:43:49,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 09:43:49,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307234085] [2021-12-07 09:43:49,187 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307234085] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 09:43:49,187 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 09:43:49,187 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 09:43:49,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624230113] [2021-12-07 09:43:49,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 09:43:49,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 09:43:49,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 09:43:49,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 09:43:49,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-12-07 09:43:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:49,189 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-12-07 09:43:49,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2021-12-07 09:43:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-12-07 09:43:49,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 09:43:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 09:43:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 09:43:49,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-07 09:43:49,269 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting thr1Err9ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err6ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2021-12-07 09:43:49,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 09:43:49,270 INFO L85 PathProgramCache]: Analyzing trace with hash 599457803, now seen corresponding path program 1 times [2021-12-07 09:43:49,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 09:43:49,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360273246] [2021-12-07 09:43:49,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 09:43:49,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 09:43:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 09:43:49,315 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 09:43:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 09:43:49,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 09:43:49,385 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-07 09:43:49,386 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err9ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2021-12-07 09:43:49,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2021-12-07 09:43:49,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2021-12-07 09:43:49,388 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2021-12-07 09:43:49,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2021-12-07 09:43:49,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2021-12-07 09:43:49,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2021-12-07 09:43:49,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2021-12-07 09:43:49,389 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2021-12-07 09:43:49,390 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2021-12-07 09:43:49,390 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-07 09:43:49,401 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 09:43:49,402 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/3) [2021-12-07 09:43:49,406 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-07 09:43:49,406 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 09:43:49,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:43:49 BasicIcfg [2021-12-07 09:43:49,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 09:43:49,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 09:43:49,566 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 09:43:49,566 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 09:43:49,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:43:46" (3/4) ... [2021-12-07 09:43:49,569 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 09:43:49,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 09:43:49,570 INFO L158 Benchmark]: Toolchain (without parser) took 4407.07ms. Allocated memory was 104.9MB in the beginning and 159.4MB in the end (delta: 54.5MB). Free memory was 72.0MB in the beginning and 98.0MB in the end (delta: -26.0MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2021-12-07 09:43:49,570 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 58.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:49,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.69ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 71.7MB in the beginning and 97.0MB in the end (delta: -25.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 09:43:49,571 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.25ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 94.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 09:43:49,571 INFO L158 Benchmark]: Boogie Preprocessor took 48.50ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:49,572 INFO L158 Benchmark]: RCFGBuilder took 539.74ms. Allocated memory is still 132.1MB. Free memory was 92.8MB in the beginning and 77.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-07 09:43:49,572 INFO L158 Benchmark]: TraceAbstraction took 3099.80ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 76.4MB in the beginning and 99.0MB in the end (delta: -22.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-12-07 09:43:49,573 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 98.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 09:43:49,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 104.9MB. Free memory was 58.3MB in the beginning and 58.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.69ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 71.7MB in the beginning and 97.0MB in the end (delta: -25.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.25ms. Allocated memory is still 132.1MB. Free memory was 97.0MB in the beginning and 94.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.50ms. Allocated memory is still 132.1MB. Free memory was 94.4MB in the beginning and 93.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.74ms. Allocated memory is still 132.1MB. Free memory was 92.8MB in the beginning and 77.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3099.80ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 76.4MB in the beginning and 99.0MB in the end (delta: -22.6MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 98.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9402, positive: 8487, positive conditional: 2690, positive unconditional: 5797, negative: 915, negative conditional: 857, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8573, positive: 8487, positive conditional: 2690, positive unconditional: 5797, negative: 86, negative conditional: 28, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8573, positive: 8487, positive conditional: 2690, positive unconditional: 5797, negative: 86, negative conditional: 28, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8700, positive: 8487, positive conditional: 2679, positive unconditional: 5808, negative: 213, negative conditional: 127, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8700, positive: 8487, positive conditional: 401, positive unconditional: 8086, negative: 213, negative conditional: 13, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8700, positive: 8487, positive conditional: 401, positive unconditional: 8086, negative: 213, negative conditional: 13, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5136, positive: 5071, positive conditional: 3, positive unconditional: 5068, negative: 65, negative conditional: 4, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5136, positive: 5053, positive conditional: 0, positive unconditional: 5053, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 18, positive conditional: 3, positive unconditional: 15, negative: 65, negative conditional: 4, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 19, positive conditional: 3, positive unconditional: 16, negative: 130, negative conditional: 8, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8700, positive: 3416, positive conditional: 398, positive unconditional: 3018, negative: 148, negative conditional: 9, negative unconditional: 139, unknown: 5136, unknown conditional: 7, unknown unconditional: 5129] , Statistics on independence cache: Total cache size (in pairs): 5136, Positive cache size: 5071, Positive conditional cache size: 3, Positive unconditional cache size: 5068, Negative cache size: 65, Negative conditional cache size: 4, Negative unconditional cache size: 61, Eliminated conditions: 2392, Maximal queried relation: 5, Independence queries for same thread: 829 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 292, Number of trivial persistent sets: 261, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5855, positive: 5797, positive conditional: 0, positive unconditional: 5797, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9402, positive: 8487, positive conditional: 2690, positive unconditional: 5797, negative: 915, negative conditional: 857, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8573, positive: 8487, positive conditional: 2690, positive unconditional: 5797, negative: 86, negative conditional: 28, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8573, positive: 8487, positive conditional: 2690, positive unconditional: 5797, negative: 86, negative conditional: 28, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8700, positive: 8487, positive conditional: 2679, positive unconditional: 5808, negative: 213, negative conditional: 127, negative unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8700, positive: 8487, positive conditional: 401, positive unconditional: 8086, negative: 213, negative conditional: 13, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8700, positive: 8487, positive conditional: 401, positive unconditional: 8086, negative: 213, negative conditional: 13, negative unconditional: 200, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5136, positive: 5071, positive conditional: 3, positive unconditional: 5068, negative: 65, negative conditional: 4, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5136, positive: 5053, positive conditional: 0, positive unconditional: 5053, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 18, positive conditional: 3, positive unconditional: 15, negative: 65, negative conditional: 4, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 19, positive conditional: 3, positive unconditional: 16, negative: 130, negative conditional: 8, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8700, positive: 3416, positive conditional: 398, positive unconditional: 3018, negative: 148, negative conditional: 9, negative unconditional: 139, unknown: 5136, unknown conditional: 7, unknown unconditional: 5129] , Statistics on independence cache: Total cache size (in pairs): 5136, Positive cache size: 5071, Positive conditional cache size: 3, Positive unconditional cache size: 5068, Negative cache size: 65, Negative conditional cache size: 4, Negative unconditional cache size: 61, Eliminated conditions: 2392, Maximal queried relation: 5, Independence queries for same thread: 829 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 703]: Data race detected Data race detected The following path leads to a data race: [L688] 0 int flag1 = 0, flag2 = 0; VAL [flag1=0, flag2=0] [L689] 0 int turn; VAL [flag1=0, flag2=0, turn=0] [L690] 0 int x; VAL [flag1=0, flag2=0, turn=0, x=0] [L722] 0 pthread_t t1, t2; VAL [flag1=0, flag2=0, t1={6:0}, t2={5:0}, turn=0, x=0] [L723] EXPR 0 0<=turn VAL [flag1=0, flag2=0, t1={6:0}, t2={5:0}, turn=0, x=0] [L723] EXPR 0 0<=turn && turn<=1 VAL [0<=turn && turn<=1=1, flag1=0, flag2=0, t1={6:0}, t2={5:0}, turn=0, x=0] [L723] EXPR 0 turn<=1 VAL [0<=turn && turn<=1=1, flag1=0, flag2=0, t1={6:0}, t2={5:0}, turn=0, x=0] [L723] EXPR 0 0<=turn && turn<=1 VAL [0<=turn && turn<=1=1, flag1=0, flag2=0, t1={6:0}, t2={5:0}, turn=0, x=0] [L723] CALL 0 assume_abort_if_not(0<=turn && turn<=1) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, flag1=0, flag2=0, turn=0, x=0] [L723] RET 0 assume_abort_if_not(0<=turn && turn<=1) [L724] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [_={0:0}, flag1=0, flag2=0, pthread_create(&t1, 0, thr1, 0)=-1, t1={6:0}, t2={5:0}, turn=0, x=0] [L692] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L692] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag1 = 1=51, flag2=0, turn=0, x=0] [L692] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag1 = 1=51, flag2=0, turn=0, x=0] [L725] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, pthread_create(&t2, 0, thr2, 0)=0, t1={6:0}, t2={5:0}, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L707] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L693] COND TRUE 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L726] EXPR 0 \read(t1) VAL [\read(t1)=-1, _={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, t1={6:0}, t2={5:0}, turn=0, x=0] [L694] 1 turn != 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L707] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=0, x=0] [L694] 1 turn != 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=0, x=0] [L707] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=0, x=0] [L694] COND FALSE 1 !(turn != 0) VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L708] 2 flag1 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L708] 2 flag1 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L726] 0 pthread_join(t1, 0) VAL [\read(t1)=-1, _={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, t1={6:0}, t2={5:0}, turn=0, x=0] [L693] COND TRUE 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L708] COND TRUE 2 flag1 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L694] 1 turn != 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L709] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L694] 1 turn != 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L709] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L694] COND FALSE 1 !(turn != 0) VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L709] COND TRUE 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=0, x=0] [L710] 2 flag2 = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L693] COND FALSE 1 !(flag2 >= 1) VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L710] 2 flag2 = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, flag2 = 0=53, turn=0, x=0] [L700] 1 x = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, flag2 = 0=53, turn=0, x=0] [L710] 2 flag2 = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, flag2 = 0=53, turn=0, x=0] [L700] 1 x = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0, x = 0=52] [L711] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0, x = 0=52] [L700] 1 x = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0, x = 0=52] [L711] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0, x = 0=52] [L711] COND TRUE 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L701] EXPR 1 x<=0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L711] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L701] EXPR 1 x<=0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L711] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L701] COND FALSE 1 !(!(x<=0)) VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L711] COND TRUE 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L702] 1 turn = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L711] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L711] 2 turn != 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L702] 1 turn = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, turn = 1=54, x=0] [L711] COND FALSE 2 !(turn != 1) VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, turn = 1=54, x=0] [L702] 1 turn = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, turn = 1=54, x=0] [L712] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, turn=1, turn = 1=54, x=0] [L703] 1 flag1 = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag2=1, turn=1, x=0] [L712] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag2=1, flag2 = 1=55, turn=1, x=0] [L712] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag2=1, flag2 = 1=55, turn=1, x=0] [L703] 1 flag1 = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=50, flag2=1, flag2 = 1=55, turn=1, x=0] [L708] 2 flag1 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=50, flag2=1, turn=1, x=0] [L703] 1 flag1 = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=50, flag2=1, turn=1, x=0] Now there is a data race on ~flag1~0 between C: flag1 >= 1 [708] and C: flag1 = 0 [703] - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 308 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1244 NumberOfCodeBlocks, 1244 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1111 ConstructedInterpolants, 0 QuantifiedInterpolants, 1505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 158/158 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-07 09:43:49,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 09:43:49,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9423e5a-6776-43fe-acbb-082395cb3347/bin/ugemcutter-YQQFZV6HUA/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE