./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/singleton-b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/singleton-b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w --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 8df6b0e07576c0f44be76a2619065be37971886a948c5dcc3b73910d3c970468 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 09:15:10,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 09:15:10,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 09:15:10,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 09:15:10,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 09:15:10,628 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 09:15:10,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 09:15:10,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 09:15:10,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 09:15:10,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 09:15:10,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 09:15:10,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 09:15:10,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 09:15:10,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 09:15:10,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 09:15:10,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 09:15:10,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 09:15:10,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 09:15:10,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 09:15:10,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 09:15:10,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 09:15:10,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 09:15:10,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 09:15:10,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 09:15:10,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 09:15:10,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 09:15:10,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 09:15:10,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 09:15:10,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 09:15:10,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 09:15:10,653 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 09:15:10,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 09:15:10,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 09:15:10,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 09:15:10,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 09:15:10,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 09:15:10,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 09:15:10,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 09:15:10,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 09:15:10,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 09:15:10,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 09:15:10,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2022-12-13 09:15:10,671 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 09:15:10,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 09:15:10,672 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 09:15:10,672 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 09:15:10,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 09:15:10,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 09:15:10,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 09:15:10,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 09:15:10,678 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 09:15:10,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 09:15:10,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 09:15:10,679 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 09:15:10,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 09:15:10,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:15:10,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 09:15:10,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 09:15:10,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 09:15:10,681 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 09:15:10,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 09:15:10,681 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-13 09:15:10,681 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-12-13 09:15:10,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-12-13 09:15:10,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 09:15:10,682 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-12-13 09:15:10,682 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-12-13 09:15:10,682 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_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8df6b0e07576c0f44be76a2619065be37971886a948c5dcc3b73910d3c970468 [2022-12-13 09:15:10,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 09:15:10,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 09:15:10,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 09:15:10,916 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 09:15:10,916 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 09:15:10,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/../../sv-benchmarks/c/pthread/singleton-b.i [2022-12-13 09:15:13,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 09:15:13,632 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 09:15:13,633 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/sv-benchmarks/c/pthread/singleton-b.i [2022-12-13 09:15:13,644 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/data/1215f4ed6/29293a67bcbe4a519960cf22cbca6d3e/FLAG6f32a5a05 [2022-12-13 09:15:14,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/data/1215f4ed6/29293a67bcbe4a519960cf22cbca6d3e [2022-12-13 09:15:14,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 09:15:14,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 09:15:14,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 09:15:14,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 09:15:14,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 09:15:14,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402e6013 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14, skipping insertion in model container [2022-12-13 09:15:14,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 09:15:14,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 09:15:14,361 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/sv-benchmarks/c/pthread/singleton-b.i[55202,55215] [2022-12-13 09:15:14,378 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:15:14,385 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 09:15:14,411 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/sv-benchmarks/c/pthread/singleton-b.i[55202,55215] [2022-12-13 09:15:14,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 09:15:14,456 INFO L208 MainTranslator]: Completed translation [2022-12-13 09:15:14,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14 WrapperNode [2022-12-13 09:15:14,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 09:15:14,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 09:15:14,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 09:15:14,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 09:15:14,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,474 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,487 INFO L138 Inliner]: procedures = 323, calls = 47, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2022-12-13 09:15:14,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 09:15:14,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 09:15:14,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 09:15:14,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 09:15:14,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,498 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 09:15:14,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 09:15:14,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 09:15:14,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 09:15:14,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (1/1) ... [2022-12-13 09:15:14,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 09:15:14,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:15:14,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 09:15:14,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 09:15:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 09:15:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 09:15:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 09:15:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2022-12-13 09:15:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2022-12-13 09:15:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 09:15:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 09:15:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 09:15:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 09:15:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 09:15:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 09:15:14,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 09:15:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 09:15:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 09:15:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 09:15:14,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 09:15:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 09:15:14,577 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-13 09:15:14,684 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 09:15:14,686 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 09:15:14,919 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 09:15:14,929 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 09:15:14,929 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 09:15:14,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:15:14 BoogieIcfgContainer [2022-12-13 09:15:14,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 09:15:14,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 09:15:14,933 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 09:15:14,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 09:15:14,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:15:14" (1/3) ... [2022-12-13 09:15:14,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9450e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:15:14, skipping insertion in model container [2022-12-13 09:15:14,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:15:14" (2/3) ... [2022-12-13 09:15:14,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9450e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:15:14, skipping insertion in model container [2022-12-13 09:15:14,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:15:14" (3/3) ... [2022-12-13 09:15:14,937 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton-b.i [2022-12-13 09:15:14,944 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-13 09:15:14,951 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 09:15:14,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2022-12-13 09:15:14,952 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 09:15:15,058 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2022-12-13 09:15:15,092 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:15:15,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-12-13 09:15:15,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/z3 [2022-12-13 09:15:15,093 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-12-13 09:15:15,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a8fef99-2c0a-4c08-9533-90c7473b2457/bin/ugemcutter-rbreBovr8w/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-12-13 09:15:15,125 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-12-13 09:15:15,133 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread0Thread1of1ForFork0 ======== [2022-12-13 09:15:15,138 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@325dea0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 09:15:15,138 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-12-13 09:15:15,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread0Err0ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:15,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:15,465 INFO L85 PathProgramCache]: Analyzing trace with hash -95523333, now seen corresponding path program 1 times [2022-12-13 09:15:15,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:15,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605538214] [2022-12-13 09:15:15,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:15,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:15,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:15,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605538214] [2022-12-13 09:15:15,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605538214] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:15,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:15,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:15:15,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287357688] [2022-12-13 09:15:16,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:16,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:15:16,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:16,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:15:16,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:15:16,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:16,026 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:16,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:16,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:16,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 09:15:16,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:16,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:16,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1826280668, now seen corresponding path program 1 times [2022-12-13 09:15:16,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:16,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410324993] [2022-12-13 09:15:16,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:16,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:16,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:16,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410324993] [2022-12-13 09:15:16,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410324993] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:16,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:16,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 09:15:16,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160839140] [2022-12-13 09:15:16,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:16,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:15:16,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:16,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:15:16,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:15:16,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:16,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:16,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:16,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:16,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:17,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 09:15:17,074 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:17,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2019989989, now seen corresponding path program 1 times [2022-12-13 09:15:17,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:17,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676956118] [2022-12-13 09:15:17,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:17,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:17,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:17,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676956118] [2022-12-13 09:15:17,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676956118] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:17,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:17,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:15:17,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688292029] [2022-12-13 09:15:17,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:17,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:15:17,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:17,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:15:17,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:15:17,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:17,412 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:17,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:17,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 09:15:17,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:17,854 INFO L85 PathProgramCache]: Analyzing trace with hash 97248897, now seen corresponding path program 1 times [2022-12-13 09:15:17,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:17,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940391600] [2022-12-13 09:15:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:17,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:17,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:17,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:17,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940391600] [2022-12-13 09:15:17,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940391600] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:17,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:17,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:15:17,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508062890] [2022-12-13 09:15:17,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:17,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:15:17,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:17,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:15:17,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:15:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:17,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:17,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:17,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:18,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 09:15:18,103 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:18,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:18,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1125177796, now seen corresponding path program 1 times [2022-12-13 09:15:18,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:18,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777941119] [2022-12-13 09:15:18,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:18,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:18,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:18,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:18,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777941119] [2022-12-13 09:15:18,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777941119] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:18,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:18,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:15:18,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789460901] [2022-12-13 09:15:18,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:18,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:15:18,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:18,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:15:18,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:15:18,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:18,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:18,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:18,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:18,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:18,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 09:15:18,562 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:18,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:18,562 INFO L85 PathProgramCache]: Analyzing trace with hash -658328755, now seen corresponding path program 1 times [2022-12-13 09:15:18,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:18,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162826741] [2022-12-13 09:15:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:18,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:18,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:18,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:18,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162826741] [2022-12-13 09:15:18,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162826741] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:18,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:18,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:15:18,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405306539] [2022-12-13 09:15:18,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:18,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:15:18,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:18,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:15:18,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:15:18,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:18,938 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:18,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.8) internal successors, (114), 6 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:18,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 09:15:19,140 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:19,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:19,141 INFO L85 PathProgramCache]: Analyzing trace with hash 930903759, now seen corresponding path program 1 times [2022-12-13 09:15:19,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:19,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507893731] [2022-12-13 09:15:19,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:19,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:19,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:19,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507893731] [2022-12-13 09:15:19,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507893731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:19,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:19,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 09:15:19,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143260392] [2022-12-13 09:15:19,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:19,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 09:15:19,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:19,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 09:15:19,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 09:15:19,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:19,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:19,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.333333333333336) internal successors, (139), 3 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 09:15:19,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:19,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:19,521 INFO L85 PathProgramCache]: Analyzing trace with hash 2022504732, now seen corresponding path program 1 times [2022-12-13 09:15:19,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:19,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332104241] [2022-12-13 09:15:19,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:19,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:19,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:19,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332104241] [2022-12-13 09:15:19,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332104241] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:19,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:19,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:15:19,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315424589] [2022-12-13 09:15:19,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:19,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:15:19,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:19,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:15:19,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:15:19,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:19,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:19,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.4) internal successors, (142), 6 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:19,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:19,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:19,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 09:15:20,109 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:20,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:20,109 INFO L85 PathProgramCache]: Analyzing trace with hash 464491656, now seen corresponding path program 1 times [2022-12-13 09:15:20,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:20,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102965303] [2022-12-13 09:15:20,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:20,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:20,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:20,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:20,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102965303] [2022-12-13 09:15:20,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102965303] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:20,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:20,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 09:15:20,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758230394] [2022-12-13 09:15:20,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:20,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 09:15:20,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:20,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 09:15:20,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-12-13 09:15:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:20,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:20,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 30.0) internal successors, (150), 6 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:20,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 09:15:20,889 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread0Err4ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:20,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:20,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1310038762, now seen corresponding path program 1 times [2022-12-13 09:15:20,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:20,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174118922] [2022-12-13 09:15:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:20,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:21,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:21,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:21,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174118922] [2022-12-13 09:15:21,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174118922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:21,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:21,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 09:15:21,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266791097] [2022-12-13 09:15:21,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:21,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 09:15:21,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:21,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 09:15:21,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 09:15:21,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:21,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:21,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.22222222222222) internal successors, (146), 10 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:21,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:21,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:21,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:21,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 09:15:21,780 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread0Err3ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:21,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1220966372, now seen corresponding path program 1 times [2022-12-13 09:15:21,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:21,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852698162] [2022-12-13 09:15:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:21,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:22,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:22,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852698162] [2022-12-13 09:15:22,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852698162] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:22,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:22,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 09:15:22,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525466531] [2022-12-13 09:15:22,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:22,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 09:15:22,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:22,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 09:15:22,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 09:15:22,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:22,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:22,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 10 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:22,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:22,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:22,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:22,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 09:15:22,797 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread0Err2ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:22,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:22,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1383693290, now seen corresponding path program 1 times [2022-12-13 09:15:22,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:22,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779741114] [2022-12-13 09:15:22,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:22,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:23,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:23,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779741114] [2022-12-13 09:15:23,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779741114] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:23,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:23,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 09:15:23,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753422813] [2022-12-13 09:15:23,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:23,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 09:15:23,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:23,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 09:15:23,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 09:15:23,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:23,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:23,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:23,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:23,252 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:23,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:29,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:29,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:29,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 09:15:29,832 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread0Err1ASSERT_VIOLATIONDATA_RACE === [thread0Err0ASSERT_VIOLATIONDATA_RACE, thread0Err1ASSERT_VIOLATIONDATA_RACE, thread0Err2ASSERT_VIOLATIONDATA_RACE, thread0Err3ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2022-12-13 09:15:29,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 09:15:29,832 INFO L85 PathProgramCache]: Analyzing trace with hash -101680574, now seen corresponding path program 1 times [2022-12-13 09:15:29,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 09:15:29,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701222858] [2022-12-13 09:15:29,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 09:15:29,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 09:15:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 09:15:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 09:15:30,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 09:15:30,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701222858] [2022-12-13 09:15:30,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701222858] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 09:15:30,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 09:15:30,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 09:15:30,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428577580] [2022-12-13 09:15:30,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 09:15:30,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 09:15:30,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 09:15:30,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 09:15:30,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-12-13 09:15:30,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 09:15:30,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-12-13 09:15:30,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.222222222222221) internal successors, (92), 10 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 09:15:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:30,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2022-12-13 09:15:30,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.