./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S --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 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:07:42,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:07:42,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-24 22:07:42,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:07:42,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:07:43,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:07:43,006 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:07:43,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:07:43,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:07:43,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:07:43,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:07:43,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:07:43,016 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:07:43,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:07:43,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:07:43,020 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:07:43,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:07:43,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:07:43,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:07:43,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:07:43,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:07:43,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:07:43,024 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-24 22:07:43,024 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:07:43,025 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:07:43,025 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:07:43,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:07:43,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:07:43,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:07:43,027 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-24 22:07:43,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:07:43,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:43,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:07:43,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:07:43,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:07:43,031 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:07:43,031 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:07:43,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:07:43,031 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 22:07:43,032 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 22:07:43,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:07:43,033 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 22:07:43,033 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 22:07:43,033 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_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23ca06a4d1d66eab783b29fc3ce31114eee62eb7d17a2452b84e2d73b8d92cfa [2023-11-24 22:07:43,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:07:43,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:07:43,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:07:43,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:07:43,390 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:07:43,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2023-11-24 22:07:46,458 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:07:46,733 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:07:46,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/sv-benchmarks/c/weaver/chl-chromosome-symm.wvr.c [2023-11-24 22:07:46,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/data/89dfc6d68/dfce3a2ccaf9480d8e7e6cd99f76f063/FLAGda2e9f32a [2023-11-24 22:07:46,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/data/89dfc6d68/dfce3a2ccaf9480d8e7e6cd99f76f063 [2023-11-24 22:07:46,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:07:46,761 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:07:46,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:46,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:07:46,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:07:46,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f187fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:46, skipping insertion in model container [2023-11-24 22:07:46,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:46" (1/1) ... [2023-11-24 22:07:46,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:07:47,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:47,061 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:07:47,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:47,122 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:07:47,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47 WrapperNode [2023-11-24 22:07:47,123 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:47,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:47,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:07:47,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:07:47,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,190 INFO L138 Inliner]: procedures = 25, calls = 38, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 343 [2023-11-24 22:07:47,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:47,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:07:47,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:07:47,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:07:47,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,243 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:07:47,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:07:47,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:07:47,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:07:47,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (1/1) ... [2023-11-24 22:07:47,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:47,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:47,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 22:07:47,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 22:07:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:07:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:07:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:07:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:07:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:07:47,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:07:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:07:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:07:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:07:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:07:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:07:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:07:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:07:47,368 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:07:47,511 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:07:47,513 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:07:48,240 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:07:48,275 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:07:48,279 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:07:48,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:48 BoogieIcfgContainer [2023-11-24 22:07:48,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:07:48,285 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:07:48,286 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:07:48,290 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:07:48,290 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:07:46" (1/3) ... [2023-11-24 22:07:48,291 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1499bfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:48, skipping insertion in model container [2023-11-24 22:07:48,292 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:47" (2/3) ... [2023-11-24 22:07:48,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1499bfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:48, skipping insertion in model container [2023-11-24 22:07:48,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:48" (3/3) ... [2023-11-24 22:07:48,297 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2023-11-24 22:07:48,307 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 22:07:48,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:07:48,321 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-11-24 22:07:48,321 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-24 22:07:48,585 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-24 22:07:48,674 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:07:48,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 22:07:48,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:48,681 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 22:07:48,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-24 22:07:48,768 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 22:07:48,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork1 ======== [2023-11-24 22:07:48,795 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;@4a68ee9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:07:48,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-11-24 22:07:49,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:49,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:49,191 INFO L85 PathProgramCache]: Analyzing trace with hash 654060151, now seen corresponding path program 1 times [2023-11-24 22:07:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:49,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883019958] [2023-11-24 22:07:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:49,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:07:49,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:49,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883019958] [2023-11-24 22:07:49,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883019958] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:49,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:49,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:49,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285849531] [2023-11-24 22:07:49,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:49,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 22:07:49,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:49,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 22:07:49,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 22:07:49,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:49,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:49,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 55.5) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:07:49,603 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:49,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:49,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 22:07:49,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:49,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:49,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1470458961, now seen corresponding path program 1 times [2023-11-24 22:07:49,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:49,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49509594] [2023-11-24 22:07:49,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:49,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:49,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:07:49,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:49,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49509594] [2023-11-24 22:07:49,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49509594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:49,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:49,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:49,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3451337] [2023-11-24 22:07:49,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:49,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:07:49,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:49,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:07:49,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:07:49,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:49,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:49,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.5) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:07:49,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:49,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:49,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:49,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 22:07:49,956 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:49,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:49,957 INFO L85 PathProgramCache]: Analyzing trace with hash -446774731, now seen corresponding path program 1 times [2023-11-24 22:07:49,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:49,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354559232] [2023-11-24 22:07:49,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:49,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:50,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:07:50,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:50,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354559232] [2023-11-24 22:07:50,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354559232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:50,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:50,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:50,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903770017] [2023-11-24 22:07:50,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:50,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:07:50,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:50,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:07:50,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:07:50,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:50,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.5) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:07:50,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-24 22:07:50,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err2ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:50,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:50,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1843009076, now seen corresponding path program 1 times [2023-11-24 22:07:50,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:50,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963169127] [2023-11-24 22:07:50,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:50,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:07:50,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:50,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963169127] [2023-11-24 22:07:50,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963169127] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:50,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:50,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:50,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779481641] [2023-11-24 22:07:50,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:50,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:07:50,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:50,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:07:50,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:07:50,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:50,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 60.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:07:50,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-24 22:07:50,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:50,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:50,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1341507677, now seen corresponding path program 1 times [2023-11-24 22:07:50,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:50,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223128960] [2023-11-24 22:07:50,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:07:50,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:50,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223128960] [2023-11-24 22:07:50,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223128960] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:50,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:50,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:50,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432298333] [2023-11-24 22:07:50,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:50,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:07:50,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:50,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:07:50,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:07:50,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:50,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.5) internal successors, (125), 3 states have internal predecessors, (125), 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) [2023-11-24 22:07:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:50,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-24 22:07:50,767 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:50,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:50,767 INFO L85 PathProgramCache]: Analyzing trace with hash -200902778, now seen corresponding path program 1 times [2023-11-24 22:07:50,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:50,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555372147] [2023-11-24 22:07:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:50,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:07:51,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:51,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555372147] [2023-11-24 22:07:51,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555372147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:51,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:51,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:07:51,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132021782] [2023-11-24 22:07:51,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:51,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 22:07:51,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:51,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 22:07:51,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 22:07:51,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:51,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:51,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 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) [2023-11-24 22:07:51,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:51,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:51,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:51,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-24 22:07:51,223 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:51,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:51,224 INFO L85 PathProgramCache]: Analyzing trace with hash 448955519, now seen corresponding path program 1 times [2023-11-24 22:07:51,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:51,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465873912] [2023-11-24 22:07:51,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:51,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:51,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:07:51,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:51,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465873912] [2023-11-24 22:07:51,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465873912] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:07:51,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1362306615] [2023-11-24 22:07:51,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:51,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:51,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:51,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:51,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-24 22:07:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:51,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:07:51,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:07:52,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:07:52,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:07:52,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1362306615] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:07:52,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 22:07:52,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-24 22:07:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424232060] [2023-11-24 22:07:52,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 22:07:52,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-24 22:07:52,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:52,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-24 22:07:52,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-24 22:07:52,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:52,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:52,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 14.266666666666667) internal successors, (214), 15 states have internal predecessors, (214), 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) [2023-11-24 22:07:52,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:52,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:52,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:52,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:52,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:52,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:52,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:52,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-24 22:07:52,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:52,810 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:52,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:52,810 INFO L85 PathProgramCache]: Analyzing trace with hash -59619041, now seen corresponding path program 2 times [2023-11-24 22:07:52,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:52,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442205682] [2023-11-24 22:07:52,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:52,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:07:53,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:53,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442205682] [2023-11-24 22:07:53,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442205682] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:07:53,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611377640] [2023-11-24 22:07:53,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 22:07:53,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:53,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:53,346 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:53,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-24 22:07:53,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 22:07:53,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:07:53,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:07:53,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:53,602 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 15 treesize of output 11 [2023-11-24 22:07:53,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-24 22:07:53,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:07:53,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-24 22:07:53,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:07:53,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-24 22:07:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-24 22:07:53,753 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:07:53,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611377640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:53,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 22:07:53,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-11-24 22:07:53,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716532168] [2023-11-24 22:07:53,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:53,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 22:07:53,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:53,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 22:07:53,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-24 22:07:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:53,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:53,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.2) internal successors, (161), 6 states have internal predecessors, (161), 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) [2023-11-24 22:07:53,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:53,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:54,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:54,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-24 22:07:54,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:54,238 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err5ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:54,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:54,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1459285374, now seen corresponding path program 1 times [2023-11-24 22:07:54,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:54,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999601756] [2023-11-24 22:07:54,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:54,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:54,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-24 22:07:54,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:54,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999601756] [2023-11-24 22:07:54,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999601756] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:54,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:54,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:54,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010370211] [2023-11-24 22:07:54,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:54,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:07:54,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:54,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:07:54,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:07:54,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:54,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:54,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 81.5) internal successors, (163), 3 states have internal predecessors, (163), 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) [2023-11-24 22:07:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:54,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:54,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:54,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:54,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:54,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:54,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-24 22:07:54,561 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:54,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:54,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1591420486, now seen corresponding path program 1 times [2023-11-24 22:07:54,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:54,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734869151] [2023-11-24 22:07:54,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:54,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:07:55,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:55,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734869151] [2023-11-24 22:07:55,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734869151] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:07:55,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108274507] [2023-11-24 22:07:55,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:55,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:07:55,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:55,074 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:07:55,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-24 22:07:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:55,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:07:55,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:07:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:07:55,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:07:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:07:55,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108274507] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:07:55,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 22:07:55,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-24 22:07:55,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380554073] [2023-11-24 22:07:55,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 22:07:55,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-24 22:07:55,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:55,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-24 22:07:55,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-24 22:07:55,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:55,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:55,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.818181818181818) internal successors, (282), 22 states have internal predecessors, (282), 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) [2023-11-24 22:07:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:55,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:55,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:56,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:56,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:56,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:07:56,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-24 22:07:56,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-24 22:07:56,679 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:56,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:56,680 INFO L85 PathProgramCache]: Analyzing trace with hash 206590694, now seen corresponding path program 2 times [2023-11-24 22:07:56,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:56,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896171015] [2023-11-24 22:07:56,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:56,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:58,326 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-24 22:07:58,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:58,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896171015] [2023-11-24 22:07:58,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896171015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:58,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:58,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:07:58,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304888672] [2023-11-24 22:07:58,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:58,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 22:07:58,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:58,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 22:07:58,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 22:07:58,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:58,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.8) internal successors, (169), 6 states have internal predecessors, (169), 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) [2023-11-24 22:07:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:58,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:07:58,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:07:58,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-24 22:07:58,684 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:58,684 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:58,685 INFO L85 PathProgramCache]: Analyzing trace with hash -769664554, now seen corresponding path program 1 times [2023-11-24 22:07:58,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:58,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415347613] [2023-11-24 22:07:58,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:58,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:58,843 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-24 22:07:58,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:58,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415347613] [2023-11-24 22:07:58,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415347613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:58,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:58,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:58,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509601910] [2023-11-24 22:07:58,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:58,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:07:58,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:58,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:07:58,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:07:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,848 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:58,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 97.5) internal successors, (195), 3 states have internal predecessors, (195), 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) [2023-11-24 22:07:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:07:58,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:07:58,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:58,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:58,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-24 22:07:58,939 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:07:58,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:07:58,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1662098650, now seen corresponding path program 1 times [2023-11-24 22:07:58,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:07:58,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236984063] [2023-11-24 22:07:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:07:58,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:07:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:07:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-24 22:07:59,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:07:59,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236984063] [2023-11-24 22:07:59,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236984063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:07:59,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:07:59,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:07:59,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677261469] [2023-11-24 22:07:59,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:07:59,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:07:59,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:07:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:07:59,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:07:59,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:59,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:07:59,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 100.5) internal successors, (201), 3 states have internal predecessors, (201), 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) [2023-11-24 22:07:59,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:07:59,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:59,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:59,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:59,104 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:07:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:07:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:07:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:07:59,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:07:59,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:00,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:00,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:00,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:00,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-24 22:08:00,830 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread2Err10ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:00,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:00,832 INFO L85 PathProgramCache]: Analyzing trace with hash -167082039, now seen corresponding path program 1 times [2023-11-24 22:08:00,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:00,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566929917] [2023-11-24 22:08:00,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:00,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:01,711 INFO L134 CoverageAnalysis]: Checked inductivity of 5147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5147 trivial. 0 not checked. [2023-11-24 22:08:01,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:01,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566929917] [2023-11-24 22:08:01,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566929917] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:01,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:01,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:01,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008522265] [2023-11-24 22:08:01,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:01,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:01,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:01,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:01,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:01,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:01,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:01,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 128.5) internal successors, (257), 3 states have internal predecessors, (257), 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) [2023-11-24 22:08:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:01,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:01,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:08,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2023-11-24 22:08:08,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2023-11-24 22:08:08,298 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2023-11-24 22:08:08,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2023-11-24 22:08:08,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2023-11-24 22:08:08,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2023-11-24 22:08:08,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2023-11-24 22:08:08,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2023-11-24 22:08:08,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2023-11-24 22:08:08,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2023-11-24 22:08:08,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2023-11-24 22:08:08,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-24 22:08:08,326 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:08:08,328 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/3) [2023-11-24 22:08:08,336 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:08,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 22:08:08,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:08,341 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 22:08:08,353 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 22:08:08,354 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2023-11-24 22:08:08,354 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;@4a68ee9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:08,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-11-24 22:08:08,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2023-11-24 22:08:08,504 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:08,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:08,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1342476224, now seen corresponding path program 1 times [2023-11-24 22:08:08,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:08,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274409386] [2023-11-24 22:08:08,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:08,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:08,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:08,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:08,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274409386] [2023-11-24 22:08:08,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274409386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:08,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:08,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:08,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424631616] [2023-11-24 22:08:08,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:08,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 22:08:08,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:08,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 22:08:08,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 22:08:08,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:08,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 52.5) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:08:08,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-11-24 22:08:08,548 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:08,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:08,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1915804808, now seen corresponding path program 1 times [2023-11-24 22:08:08,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:08,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388092527] [2023-11-24 22:08:08,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:08,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:08,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:08,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388092527] [2023-11-24 22:08:08,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388092527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:08,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:08,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:08,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568580099] [2023-11-24 22:08:08,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:08,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:08,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:08,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:08,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:08,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:08,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 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) [2023-11-24 22:08:08,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-11-24 22:08:08,629 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:08,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:08,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1378534654, now seen corresponding path program 1 times [2023-11-24 22:08:08,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:08,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908015876] [2023-11-24 22:08:08,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:08,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:08,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:08,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908015876] [2023-11-24 22:08:08,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908015876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:08,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:08,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:08,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212748012] [2023-11-24 22:08:08,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:08,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:08,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:08,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:08,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:08,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:08,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 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) [2023-11-24 22:08:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-24 22:08:08,705 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:08,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:08,705 INFO L85 PathProgramCache]: Analyzing trace with hash -615316829, now seen corresponding path program 1 times [2023-11-24 22:08:08,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:08,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739727730] [2023-11-24 22:08:08,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:08,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:08,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:08,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739727730] [2023-11-24 22:08:08,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739727730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:08,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:08,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:08,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326898032] [2023-11-24 22:08:08,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:08,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:08,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:08,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:08,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:08,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:08,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:08:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-24 22:08:08,784 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:08,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:08,785 INFO L85 PathProgramCache]: Analyzing trace with hash -55581978, now seen corresponding path program 1 times [2023-11-24 22:08:08,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:08,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383419000] [2023-11-24 22:08:08,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:08,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:08,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:08,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:08,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383419000] [2023-11-24 22:08:08,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383419000] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:08,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:08,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:08,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817167364] [2023-11-24 22:08:08,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:08,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:08,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:08,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:08,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:08,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 59.5) internal successors, (119), 3 states have internal predecessors, (119), 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) [2023-11-24 22:08:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:08,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-24 22:08:08,884 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:08,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:08,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1491574705, now seen corresponding path program 1 times [2023-11-24 22:08:08,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:08,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490631882] [2023-11-24 22:08:08,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:08,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:09,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:09,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490631882] [2023-11-24 22:08:09,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490631882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:09,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:09,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:08:09,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741865086] [2023-11-24 22:08:09,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:09,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 22:08:09,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:09,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 22:08:09,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 22:08:09,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:09,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:09,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.0) internal successors, (125), 5 states have internal predecessors, (125), 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) [2023-11-24 22:08:09,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:09,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:09,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:09,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-24 22:08:09,213 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:09,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:09,213 INFO L85 PathProgramCache]: Analyzing trace with hash -616834040, now seen corresponding path program 1 times [2023-11-24 22:08:09,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:09,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581779528] [2023-11-24 22:08:09,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:08:09,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:09,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581779528] [2023-11-24 22:08:09,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581779528] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:08:09,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685707796] [2023-11-24 22:08:09,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:09,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:08:09,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:09,447 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:08:09,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-24 22:08:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:09,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:08:09,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:08:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:08:09,903 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:08:10,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:08:10,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685707796] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:08:10,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 22:08:10,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-24 22:08:10,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394796968] [2023-11-24 22:08:10,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 22:08:10,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-24 22:08:10,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:10,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-24 22:08:10,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-24 22:08:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:10,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:10,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.866666666666667) internal successors, (208), 15 states have internal predecessors, (208), 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) [2023-11-24 22:08:10,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:10,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:10,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:10,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:10,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:10,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-24 22:08:10,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-24 22:08:10,580 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:10,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1698457432, now seen corresponding path program 2 times [2023-11-24 22:08:10,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:10,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954914977] [2023-11-24 22:08:10,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:08:10,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:10,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954914977] [2023-11-24 22:08:10,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954914977] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:08:10,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135883785] [2023-11-24 22:08:10,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 22:08:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:08:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:10,998 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:08:11,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-24 22:08:11,248 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 22:08:11,248 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:08:11,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:08:11,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:08:11,273 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 15 treesize of output 11 [2023-11-24 22:08:11,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2023-11-24 22:08:11,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:08:11,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2023-11-24 22:08:11,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:08:11,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2023-11-24 22:08:11,396 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-24 22:08:11,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:08:11,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135883785] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:11,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 22:08:11,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-11-24 22:08:11,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401811321] [2023-11-24 22:08:11,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:11,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 22:08:11,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:11,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 22:08:11,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2023-11-24 22:08:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:11,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:11,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 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) [2023-11-24 22:08:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:11,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:11,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:11,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:11,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:11,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-24 22:08:11,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-24 22:08:11,783 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:11,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:11,784 INFO L85 PathProgramCache]: Analyzing trace with hash -129984821, now seen corresponding path program 1 times [2023-11-24 22:08:11,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:11,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479682235] [2023-11-24 22:08:11,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:11,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-24 22:08:11,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:11,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479682235] [2023-11-24 22:08:11,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479682235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:11,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:11,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:11,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825892966] [2023-11-24 22:08:11,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:11,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:11,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:11,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:11,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:11,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:11,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:11,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 78.5) internal successors, (157), 3 states have internal predecessors, (157), 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) [2023-11-24 22:08:11,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:11,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:11,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:12,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:12,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:12,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-11-24 22:08:12,073 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:12,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash 715663567, now seen corresponding path program 1 times [2023-11-24 22:08:12,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:12,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183392777] [2023-11-24 22:08:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:08:12,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:12,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183392777] [2023-11-24 22:08:12,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183392777] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:08:12,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1279109779] [2023-11-24 22:08:12,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:12,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:08:12,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:12,530 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:08:12,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-24 22:08:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:12,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:08:12,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:08:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:08:13,224 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:08:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:08:13,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1279109779] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:08:13,427 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 22:08:13,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2023-11-24 22:08:13,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99643575] [2023-11-24 22:08:13,427 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 22:08:13,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-24 22:08:13,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:13,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-24 22:08:13,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-24 22:08:13,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:13,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:13,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.545454545454545) internal successors, (276), 22 states have internal predecessors, (276), 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) [2023-11-24 22:08:13,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:13,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:13,435 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:13,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:13,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:13,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:13,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:13,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-24 22:08:14,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-24 22:08:14,191 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:14,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:14,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1339863697, now seen corresponding path program 2 times [2023-11-24 22:08:14,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:14,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223478166] [2023-11-24 22:08:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:14,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:15,308 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-24 22:08:15,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:15,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223478166] [2023-11-24 22:08:15,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223478166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:15,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:15,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:08:15,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557343458] [2023-11-24 22:08:15,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:15,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 22:08:15,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:15,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 22:08:15,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 22:08:15,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,312 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:15,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 32.6) internal successors, (163), 6 states have internal predecessors, (163), 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) [2023-11-24 22:08:15,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:15,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:15,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:15,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:15,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-24 22:08:15,671 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:15,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:15,671 INFO L85 PathProgramCache]: Analyzing trace with hash -84598241, now seen corresponding path program 1 times [2023-11-24 22:08:15,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:15,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453528838] [2023-11-24 22:08:15,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:15,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-24 22:08:15,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:15,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453528838] [2023-11-24 22:08:15,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453528838] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:15,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:15,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:15,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319967023] [2023-11-24 22:08:15,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:15,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:15,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:15,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:15,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:15,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:15,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 94.5) internal successors, (189), 3 states have internal predecessors, (189), 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) [2023-11-24 22:08:15,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:15,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:15,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:15,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:15,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:15,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-24 22:08:15,868 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:15,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:15,868 INFO L85 PathProgramCache]: Analyzing trace with hash -149593245, now seen corresponding path program 1 times [2023-11-24 22:08:15,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:15,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661326896] [2023-11-24 22:08:15,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:15,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:16,004 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2023-11-24 22:08:16,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:16,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661326896] [2023-11-24 22:08:16,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661326896] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:16,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:16,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:16,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747165279] [2023-11-24 22:08:16,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:16,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:16,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:16,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:16,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:16,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:16,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 97.5) internal successors, (195), 3 states have internal predecessors, (195), 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) [2023-11-24 22:08:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:16,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:16,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:16,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-24 22:08:17,344 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thread1Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-24 22:08:17,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:17,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1976729239, now seen corresponding path program 1 times [2023-11-24 22:08:17,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:17,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630412447] [2023-11-24 22:08:17,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:17,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 5147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5147 trivial. 0 not checked. [2023-11-24 22:08:17,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:17,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630412447] [2023-11-24 22:08:17,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630412447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:17,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:17,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:17,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115333886] [2023-11-24 22:08:17,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:17,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:17,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:17,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:17,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:17,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:17,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:17,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 128.5) internal successors, (257), 3 states have internal predecessors, (257), 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) [2023-11-24 22:08:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:17,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:17,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:17,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:17,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:17,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 22:08:22,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:22,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2023-11-24 22:08:22,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2023-11-24 22:08:22,963 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2023-11-24 22:08:22,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2023-11-24 22:08:22,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2023-11-24 22:08:22,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2023-11-24 22:08:22,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2023-11-24 22:08:22,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2023-11-24 22:08:22,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2023-11-24 22:08:22,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2023-11-24 22:08:22,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2023-11-24 22:08:22,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-24 22:08:22,975 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 22:08:22,975 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/3) [2023-11-24 22:08:22,980 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:22,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-24 22:08:22,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:22,982 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-24 22:08:22,993 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-24 22:08:22,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-24 22:08:22,994 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;@4a68ee9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 22:08:22,994 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2023-11-24 22:08:23,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2023-11-24 22:08:23,021 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:23,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:23,021 INFO L85 PathProgramCache]: Analyzing trace with hash -482980507, now seen corresponding path program 1 times [2023-11-24 22:08:23,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:23,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903872867] [2023-11-24 22:08:23,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:23,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:23,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:23,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903872867] [2023-11-24 22:08:23,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903872867] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:23,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:23,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:23,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973303800] [2023-11-24 22:08:23,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:23,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 22:08:23,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:23,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 22:08:23,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 22:08:23,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,043 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:23,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 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) [2023-11-24 22:08:23,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-24 22:08:23,045 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:23,045 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:23,045 INFO L85 PathProgramCache]: Analyzing trace with hash -238933603, now seen corresponding path program 1 times [2023-11-24 22:08:23,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:23,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989701992] [2023-11-24 22:08:23,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:23,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:23,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:23,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:23,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989701992] [2023-11-24 22:08:23,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989701992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:23,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:23,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:08:23,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447716265] [2023-11-24 22:08:23,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:23,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 22:08:23,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:23,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 22:08:23,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-24 22:08:23,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:23,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:08:23,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-11-24 22:08:23,327 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:23,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:23,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2110557148, now seen corresponding path program 1 times [2023-11-24 22:08:23,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:23,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942176812] [2023-11-24 22:08:23,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:23,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:23,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:23,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942176812] [2023-11-24 22:08:23,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942176812] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:23,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:23,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:23,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727723828] [2023-11-24 22:08:23,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:23,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:23,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:23,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:23,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:23,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:08:23,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2023-11-24 22:08:23,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:23,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:23,410 INFO L85 PathProgramCache]: Analyzing trace with hash 524953959, now seen corresponding path program 1 times [2023-11-24 22:08:23,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:23,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912041973] [2023-11-24 22:08:23,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:23,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:23,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:23,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:23,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912041973] [2023-11-24 22:08:23,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912041973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:23,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:23,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:23,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349513725] [2023-11-24 22:08:23,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:23,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:23,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:23,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:23,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:23,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,443 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:23,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 39.0) internal successors, (78), 3 states have internal predecessors, (78), 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) [2023-11-24 22:08:23,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2023-11-24 22:08:23,454 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:23,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1321957302, now seen corresponding path program 1 times [2023-11-24 22:08:23,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:23,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732168802] [2023-11-24 22:08:23,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:23,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:23,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:23,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732168802] [2023-11-24 22:08:23,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732168802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:23,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:23,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:23,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141813047] [2023-11-24 22:08:23,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:23,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:23,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:23,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:23,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:23,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,492 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:23,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.5) internal successors, (85), 3 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:08:23,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-24 22:08:23,508 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:23,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:23,509 INFO L85 PathProgramCache]: Analyzing trace with hash -821058799, now seen corresponding path program 1 times [2023-11-24 22:08:23,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:23,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062497966] [2023-11-24 22:08:23,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:23,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:23,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:23,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:23,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062497966] [2023-11-24 22:08:23,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062497966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:23,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:23,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 22:08:23,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382951039] [2023-11-24 22:08:23,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:23,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 22:08:23,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:23,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 22:08:23,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 22:08:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:23,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:08:23,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2023-11-24 22:08:23,781 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:23,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:23,783 INFO L85 PathProgramCache]: Analyzing trace with hash 203590022, now seen corresponding path program 1 times [2023-11-24 22:08:23,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:23,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084835989] [2023-11-24 22:08:23,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:23,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:08:23,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:23,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084835989] [2023-11-24 22:08:23,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084835989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:23,868 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 22:08:23,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 22:08:23,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397160586] [2023-11-24 22:08:23,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:23,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 22:08:23,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:23,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 22:08:23,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-24 22:08:23,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:23,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2023-11-24 22:08:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:23,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:23,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:23,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:24,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2023-11-24 22:08:24,003 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:24,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:24,004 INFO L85 PathProgramCache]: Analyzing trace with hash 734229805, now seen corresponding path program 1 times [2023-11-24 22:08:24,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:24,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152285422] [2023-11-24 22:08:24,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:24,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:24,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:08:24,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:24,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152285422] [2023-11-24 22:08:24,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152285422] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:08:24,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133526272] [2023-11-24 22:08:24,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:24,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:08:24,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:24,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:08:24,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-24 22:08:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:24,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:08:24,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:08:24,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:08:24,584 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 22:08:24,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:08:24,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133526272] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 22:08:24,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 22:08:24,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2023-11-24 22:08:24,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883507062] [2023-11-24 22:08:24,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 22:08:24,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-24 22:08:24,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:24,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-24 22:08:24,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-11-24 22:08:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:24,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:24,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 13.0) internal successors, (195), 15 states have internal predecessors, (195), 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) [2023-11-24 22:08:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:24,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:24,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:25,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:25,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:25,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-24 22:08:25,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:08:25,214 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:25,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:25,214 INFO L85 PathProgramCache]: Analyzing trace with hash -146426739, now seen corresponding path program 2 times [2023-11-24 22:08:25,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:25,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948543841] [2023-11-24 22:08:25,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:08:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-24 22:08:25,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-24 22:08:25,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948543841] [2023-11-24 22:08:25,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948543841] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 22:08:25,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302841551] [2023-11-24 22:08:25,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-24 22:08:25,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 22:08:25,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:08:25,514 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 22:08:25,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-24 22:08:25,816 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-24 22:08:25,816 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-24 22:08:25,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:08:25,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:08:26,107 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 [2023-11-24 22:08:26,129 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 19 treesize of output 18 [2023-11-24 22:08:26,158 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:08:26,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2023-11-24 22:08:26,197 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 22:08:26,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2023-11-24 22:08:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2023-11-24 22:08:26,238 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 22:08:26,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302841551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 22:08:26,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-24 22:08:26,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2023-11-24 22:08:26,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351204672] [2023-11-24 22:08:26,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 22:08:26,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 22:08:26,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-24 22:08:26,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 22:08:26,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2023-11-24 22:08:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:26,244 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-24 22:08:26,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.666666666666668) internal successors, (142), 7 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 22:08:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:26,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:26,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:26,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:27,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 22:08:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 22:08:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 22:08:27,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 22:08:27,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-24 22:08:27,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-24 22:08:27,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-24 22:08:27,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f79721-b899-4200-be1a-bf8978c48765/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2023-11-24 22:08:27,707 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 13 more)] === [2023-11-24 22:08:27,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:08:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -2073431387, now seen corresponding path program 1 times [2023-11-24 22:08:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-24 22:08:27,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579071582] [2023-11-24 22:08:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 22:08:27,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:08:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat