./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB --witnessprinter.witness.filename witness --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 534bdd637f5e5b671357d3ac8ec1b617321ae1d1d7a44132336275a64f61ed0f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-22 08:59:15,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 08:59:15,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-22 08:59:15,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 08:59:15,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 08:59:15,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 08:59:15,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 08:59:15,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 08:59:15,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 08:59:15,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 08:59:15,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 08:59:15,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 08:59:15,553 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 08:59:15,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 08:59:15,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 08:59:15,555 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-22 08:59:15,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 08:59:15,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-22 08:59:15,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 08:59:15,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 08:59:15,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 08:59:15,563 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 08:59:15,564 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-22 08:59:15,564 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-22 08:59:15,569 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-22 08:59:15,569 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 08:59:15,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 08:59:15,570 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 08:59:15,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 08:59:15,571 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-22 08:59:15,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 08:59:15,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 08:59:15,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 08:59:15,573 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 08:59:15,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 08:59:15,574 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 08:59:15,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 08:59:15,574 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 08:59:15,574 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-22 08:59:15,575 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-22 08:59:15,575 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 08:59:15,575 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-22 08:59:15,576 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-22 08:59:15,576 INFO L153 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_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 534bdd637f5e5b671357d3ac8ec1b617321ae1d1d7a44132336275a64f61ed0f [2023-11-22 08:59:15,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 08:59:15,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 08:59:15,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 08:59:15,902 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 08:59:15,903 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 08:59:15,905 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/../../sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i [2023-11-22 08:59:18,980 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 08:59:19,360 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 08:59:19,363 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-2.i [2023-11-22 08:59:19,394 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/data/7db0787ea/06fbe1bcd1f84c01936a522f158ce17a/FLAGdc84e9cad [2023-11-22 08:59:19,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/data/7db0787ea/06fbe1bcd1f84c01936a522f158ce17a [2023-11-22 08:59:19,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 08:59:19,421 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 08:59:19,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 08:59:19,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 08:59:19,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 08:59:19,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:59:19" (1/1) ... [2023-11-22 08:59:19,438 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e358c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:19, skipping insertion in model container [2023-11-22 08:59:19,438 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 08:59:19" (1/1) ... [2023-11-22 08:59:19,523 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 08:59:19,713 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-22 08:59:20,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 08:59:20,022 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 08:59:20,038 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-22 08:59:20,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 08:59:20,168 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-22 08:59:20,176 INFO L206 MainTranslator]: Completed translation [2023-11-22 08:59:20,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20 WrapperNode [2023-11-22 08:59:20,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 08:59:20,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 08:59:20,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 08:59:20,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 08:59:20,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,269 INFO L138 Inliner]: procedures = 272, calls = 71, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 187 [2023-11-22 08:59:20,269 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 08:59:20,270 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 08:59:20,270 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 08:59:20,270 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 08:59:20,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,336 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 08:59:20,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 08:59:20,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 08:59:20,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 08:59:20,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (1/1) ... [2023-11-22 08:59:20,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 08:59:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:59:20,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 08:59:20,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 08:59:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 08:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 08:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 08:59:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 08:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-22 08:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 08:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 08:59:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-22 08:59:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 08:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 08:59:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-22 08:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2023-11-22 08:59:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2023-11-22 08:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 08:59:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2023-11-22 08:59:20,460 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2023-11-22 08:59:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 08:59:20,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 08:59:20,463 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-22 08:59:20,702 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 08:59:20,705 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 08:59:21,374 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 08:59:21,414 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 08:59:21,414 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-22 08:59:21,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:59:21 BoogieIcfgContainer [2023-11-22 08:59:21,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 08:59:21,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 08:59:21,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 08:59:21,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 08:59:21,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 08:59:19" (1/3) ... [2023-11-22 08:59:21,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c58b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:59:21, skipping insertion in model container [2023-11-22 08:59:21,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 08:59:20" (2/3) ... [2023-11-22 08:59:21,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55c58b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 08:59:21, skipping insertion in model container [2023-11-22 08:59:21,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 08:59:21" (3/3) ... [2023-11-22 08:59:21,426 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-2.i [2023-11-22 08:59:21,435 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-22 08:59:21,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 08:59:21,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-11-22 08:59:21,447 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-22 08:59:21,562 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-22 08:59:21,645 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 08:59:21,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-22 08:59:21,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:59:21,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-22 08:59:21,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-22 08:59:21,707 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-22 08:59:21,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == threadThread1of1ForFork0 ======== [2023-11-22 08:59:21,728 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=LoopHeads, 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;@1d4d8647, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 08:59:21,731 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-22 08:59:22,304 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:22,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1557761914, now seen corresponding path program 1 times [2023-11-22 08:59:22,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:22,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439760497] [2023-11-22 08:59:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:22,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:59:22,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:22,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439760497] [2023-11-22 08:59:22,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439760497] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:22,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:22,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 08:59:22,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706526890] [2023-11-22 08:59:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:22,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-22 08:59:22,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:22,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-22 08:59:22,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-22 08:59:22,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:22,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:22,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 63.0) internal successors, (126), 2 states have internal predecessors, (126), 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) [2023-11-22 08:59:22,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:22,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:22,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 08:59:22,862 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting threadErr0ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:22,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:22,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1251440378, now seen corresponding path program 1 times [2023-11-22 08:59:22,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:22,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912730797] [2023-11-22 08:59:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:22,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:23,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:59:23,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:23,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912730797] [2023-11-22 08:59:23,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912730797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:23,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:23,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 08:59:23,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518071684] [2023-11-22 08:59:23,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:23,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:23,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:23,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:23,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:23,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:23,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:23,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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) [2023-11-22 08:59:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:23,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:23,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:23,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:23,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 08:59:23,257 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:23,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:23,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1178131340, now seen corresponding path program 1 times [2023-11-22 08:59:23,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:23,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290478120] [2023-11-22 08:59:23,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:23,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-22 08:59:23,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:23,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290478120] [2023-11-22 08:59:23,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290478120] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:23,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:23,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 08:59:23,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972681594] [2023-11-22 08:59:23,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:23,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-22 08:59:23,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:23,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-22 08:59:23,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-22 08:59:23,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:23,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:23,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 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) [2023-11-22 08:59:23,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:23,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:23,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:24,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:24,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:24,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-22 08:59:24,058 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting threadErr1ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:24,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:24,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1696328170, now seen corresponding path program 1 times [2023-11-22 08:59:24,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:24,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108213190] [2023-11-22 08:59:24,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:24,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 08:59:25,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:25,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108213190] [2023-11-22 08:59:25,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108213190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:25,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:25,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-22 08:59:25,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16181767] [2023-11-22 08:59:25,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:25,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 08:59:25,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:25,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 08:59:25,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-22 08:59:25,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:25,280 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:25,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 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) [2023-11-22 08:59:25,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:25,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:26,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-22 08:59:26,195 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting threadErr2ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:26,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:26,196 INFO L85 PathProgramCache]: Analyzing trace with hash -256081548, now seen corresponding path program 1 times [2023-11-22 08:59:26,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:26,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519907372] [2023-11-22 08:59:26,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:26,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:26,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 08:59:26,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:26,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519907372] [2023-11-22 08:59:26,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519907372] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:26,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:26,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 08:59:26,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529164730] [2023-11-22 08:59:26,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:26,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:26,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:26,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:26,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:26,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:26,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 77.0) internal successors, (154), 3 states have internal predecessors, (154), 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) [2023-11-22 08:59:26,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:26,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:26,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-22 08:59:26,447 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:26,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:26,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1420495799, now seen corresponding path program 1 times [2023-11-22 08:59:26,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:26,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540988603] [2023-11-22 08:59:26,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:26,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 08:59:26,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:26,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540988603] [2023-11-22 08:59:26,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540988603] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:26,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:26,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-22 08:59:26,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935290081] [2023-11-22 08:59:26,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:26,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:26,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:26,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:26,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:26,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:26,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 79.0) internal successors, (158), 3 states have internal predecessors, (158), 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) [2023-11-22 08:59:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:26,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:26,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:28,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:28,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:28,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:28,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:28,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:28,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:28,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-22 08:59:28,183 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:28,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:28,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2017030012, now seen corresponding path program 1 times [2023-11-22 08:59:28,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:28,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231844608] [2023-11-22 08:59:28,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:28,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:28,927 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-22 08:59:28,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:28,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231844608] [2023-11-22 08:59:28,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231844608] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:28,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:28,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-22 08:59:28,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326456363] [2023-11-22 08:59:28,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:28,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:28,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:28,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:28,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:28,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:28,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:28,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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) [2023-11-22 08:59:28,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:28,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:28,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:28,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:28,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:28,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:28,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:30,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-22 08:59:30,173 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:30,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:30,175 INFO L85 PathProgramCache]: Analyzing trace with hash 110911722, now seen corresponding path program 1 times [2023-11-22 08:59:30,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:30,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418783980] [2023-11-22 08:59:30,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:30,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-22 08:59:30,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:30,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418783980] [2023-11-22 08:59:30,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418783980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:30,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:30,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-22 08:59:30,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048837708] [2023-11-22 08:59:30,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:30,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:30,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:30,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:30,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:30,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:30,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:30,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2023-11-22 08:59:30,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:30,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-22 08:59:30,785 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:30,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:30,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1985698143, now seen corresponding path program 1 times [2023-11-22 08:59:30,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:30,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359268062] [2023-11-22 08:59:30,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:30,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2023-11-22 08:59:31,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:31,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359268062] [2023-11-22 08:59:31,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359268062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:31,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:31,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-22 08:59:31,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037705450] [2023-11-22 08:59:31,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:31,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:31,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:31,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:31,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:31,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:31,100 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:31,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,101 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:31,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-22 08:59:31,390 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:31,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:31,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1450967814, now seen corresponding path program 1 times [2023-11-22 08:59:31,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:31,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769656576] [2023-11-22 08:59:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:31,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:31,677 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-11-22 08:59:31,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:31,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769656576] [2023-11-22 08:59:31,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769656576] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:31,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:31,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-22 08:59:31,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441462893] [2023-11-22 08:59:31,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:31,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:31,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:31,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:31,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:31,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:31,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:31,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2023-11-22 08:59:31,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:31,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:31,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:31,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:31,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:32,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:32,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:32,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:32,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-22 08:59:32,082 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:32,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:32,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1396863114, now seen corresponding path program 1 times [2023-11-22 08:59:32,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:32,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891568423] [2023-11-22 08:59:32,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:32,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 140 proven. 6 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-22 08:59:33,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:33,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891568423] [2023-11-22 08:59:33,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891568423] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 08:59:33,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901171061] [2023-11-22 08:59:33,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:33,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:59:33,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:59:33,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 08:59:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-22 08:59:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:33,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 1464 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-22 08:59:33,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 08:59:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-22 08:59:34,159 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 08:59:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2023-11-22 08:59:34,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901171061] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-22 08:59:34,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-22 08:59:34,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-11-22 08:59:34,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176383682] [2023-11-22 08:59:34,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-22 08:59:34,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-22 08:59:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:34,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-22 08:59:34,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-11-22 08:59:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:34,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:34,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 32.25) internal successors, (516), 16 states have internal predecessors, (516), 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) [2023-11-22 08:59:34,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:34,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:34,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:34,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:34,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:34,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:34,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:34,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:34,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:38,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:38,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:38,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:38,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:38,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-22 08:59:39,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-22 08:59:39,056 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:39,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:39,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1898697649, now seen corresponding path program 1 times [2023-11-22 08:59:39,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:39,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120543676] [2023-11-22 08:59:39,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:39,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 08:59:39,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:39,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120543676] [2023-11-22 08:59:39,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120543676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:39,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:39,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-22 08:59:39,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267198191] [2023-11-22 08:59:39,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:39,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-22 08:59:39,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:39,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-22 08:59:39,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-22 08:59:39,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:39,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:39,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 23.75) internal successors, (190), 9 states have internal predecessors, (190), 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) [2023-11-22 08:59:39,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:39,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:39,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:39,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:39,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:39,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:39,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:39,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:39,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:39,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:39,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:39,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:43,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:43,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:43,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-22 08:59:43,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-22 08:59:43,999 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:44,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:44,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1686303569, now seen corresponding path program 1 times [2023-11-22 08:59:44,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:44,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561412718] [2023-11-22 08:59:44,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:44,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:44,921 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-22 08:59:44,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:44,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561412718] [2023-11-22 08:59:44,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561412718] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:44,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:44,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-22 08:59:44,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128097181] [2023-11-22 08:59:44,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:44,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-22 08:59:44,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:44,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-22 08:59:44,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-22 08:59:44,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:44,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:44,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.333333333333336) internal successors, (200), 6 states have internal predecessors, (200), 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) [2023-11-22 08:59:44,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:44,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:44,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:44,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:44,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:44,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-11-22 08:59:44,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:48,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-22 08:59:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:48,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-22 08:59:48,161 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:48,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1220914615, now seen corresponding path program 1 times [2023-11-22 08:59:48,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:48,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205339701] [2023-11-22 08:59:48,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:48,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:48,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-22 08:59:48,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:48,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205339701] [2023-11-22 08:59:48,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205339701] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:48,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:48,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-22 08:59:48,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356740264] [2023-11-22 08:59:48,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:48,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 08:59:48,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:48,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 08:59:48,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 08:59:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:48,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:48,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 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) [2023-11-22 08:59:48,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:48,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:48,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:48,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:48,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:48,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-22 08:59:48,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:48,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:49,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-22 08:59:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:49,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:49,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-22 08:59:49,830 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:49,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:49,831 INFO L85 PathProgramCache]: Analyzing trace with hash -228387485, now seen corresponding path program 1 times [2023-11-22 08:59:49,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:49,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793477273] [2023-11-22 08:59:49,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:49,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 08:59:51,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:51,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793477273] [2023-11-22 08:59:51,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793477273] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 08:59:51,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 08:59:51,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-22 08:59:51,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817228899] [2023-11-22 08:59:51,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 08:59:51,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-22 08:59:51,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 08:59:51,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-22 08:59:51,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-11-22 08:59:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:51,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-22 08:59:51,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 19.272727272727273) internal successors, (212), 12 states have internal predecessors, (212), 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) [2023-11-22 08:59:51,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:51,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:51,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:51,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-22 08:59:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:51,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:53,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-22 08:59:53,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-22 08:59:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-22 08:59:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 08:59:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 08:59:53,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-22 08:59:53,044 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting threadErr3ASSERT_VIOLATIONDATA_RACE === [threadErr0ASSERT_VIOLATIONDATA_RACE, threadErr1ASSERT_VIOLATIONDATA_RACE, threadErr2ASSERT_VIOLATIONDATA_RACE, threadErr3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-22 08:59:53,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 08:59:53,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1299008677, now seen corresponding path program 1 times [2023-11-22 08:59:53,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 08:59:53,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699086868] [2023-11-22 08:59:53,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:53,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 08:59:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:57,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 08:59:57,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 08:59:57,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699086868] [2023-11-22 08:59:57,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699086868] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 08:59:57,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [263461106] [2023-11-22 08:59:57,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 08:59:57,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 08:59:57,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 [2023-11-22 08:59:57,883 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-22 08:59:57,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c915b244-5f3b-4253-8496-cb996f9775b5/bin/ugemcutter-verify-ybdnMwjCTB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-22 08:59:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 08:59:58,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 84 conjunts are in the unsatisfiable core [2023-11-22 08:59:58,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 08:59:59,366 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2023-11-22 08:59:59,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2023-11-22 08:59:59,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-22 08:59:59,956 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2023-11-22 08:59:59,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2023-11-22 09:00:00,574 INFO L349 Elim1Store]: treesize reduction 28, result has 28.2 percent of original size [2023-11-22 09:00:00,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2023-11-22 09:00:00,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-22 09:00:00,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25