./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW --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 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-17 22:46:59,095 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 22:46:59,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2023-11-17 22:46:59,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 22:46:59,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 22:46:59,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 22:46:59,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 22:46:59,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 22:46:59,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 22:46:59,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 22:46:59,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 22:46:59,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 22:46:59,297 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 22:46:59,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 22:46:59,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 22:46:59,301 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 22:46:59,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 22:46:59,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 22:46:59,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 22:46:59,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 22:46:59,303 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 22:46:59,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 22:46:59,304 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-17 22:46:59,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-17 22:46:59,305 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 22:46:59,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 22:46:59,305 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 22:46:59,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 22:46:59,306 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 22:46:59,307 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 22:46:59,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 22:46:59,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:46:59,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 22:46:59,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 22:46:59,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 22:46:59,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 22:46:59,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 22:46:59,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 22:46:59,310 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-17 22:46:59,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 22:46:59,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 22:46:59,311 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 22:46:59,312 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-17 22:46:59,312 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_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 632917bb2a5e88c193ba7761220e89039206b92cb89d98172ae8e9ad69d27ca8 [2023-11-17 22:46:59,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 22:46:59,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 22:46:59,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 22:46:59,618 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 22:46:59,618 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 22:46:59,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/../../sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-17 22:47:03,066 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 22:47:03,380 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 22:47:03,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/sv-benchmarks/c/weaver/popl20-three-array-min.wvr.c [2023-11-17 22:47:03,398 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/data/6777228b4/b5e11f39e4ca45f3b07e8a1147e671c3/FLAGfc5cf61d8 [2023-11-17 22:47:03,414 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/data/6777228b4/b5e11f39e4ca45f3b07e8a1147e671c3 [2023-11-17 22:47:03,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 22:47:03,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-17 22:47:03,420 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 22:47:03,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 22:47:03,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 22:47:03,427 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aabed5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03, skipping insertion in model container [2023-11-17 22:47:03,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 22:47:03,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:47:03,729 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 22:47:03,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 22:47:03,803 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 22:47:03,803 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 22:47:03,810 INFO L206 MainTranslator]: Completed translation [2023-11-17 22:47:03,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03 WrapperNode [2023-11-17 22:47:03,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 22:47:03,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 22:47:03,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 22:47:03,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 22:47:03,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,896 INFO L138 Inliner]: procedures = 26, calls = 58, calls flagged for inlining = 15, calls inlined = 23, statements flattened = 381 [2023-11-17 22:47:03,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 22:47:03,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 22:47:03,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 22:47:03,898 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 22:47:03,909 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,920 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 22:47:03,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 22:47:03,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 22:47:03,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 22:47:03,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (1/1) ... [2023-11-17 22:47:03,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 22:47:04,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:47:04,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 22:47:04,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 22:47:04,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 22:47:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 22:47:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 22:47:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 22:47:04,130 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 22:47:04,130 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 22:47:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 22:47:04,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 22:47:04,131 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 22:47:04,133 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 22:47:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 22:47:04,134 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 22:47:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 22:47:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 22:47:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 22:47:04,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 22:47:04,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 22:47:04,137 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 22:47:04,329 INFO L236 CfgBuilder]: Building ICFG [2023-11-17 22:47:04,332 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 22:47:05,297 INFO L277 CfgBuilder]: Performing block encoding [2023-11-17 22:47:05,594 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 22:47:05,595 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-17 22:47:05,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:47:05 BoogieIcfgContainer [2023-11-17 22:47:05,603 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 22:47:05,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 22:47:05,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 22:47:05,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 22:47:05,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:47:03" (1/3) ... [2023-11-17 22:47:05,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bca746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:47:05, skipping insertion in model container [2023-11-17 22:47:05,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:47:03" (2/3) ... [2023-11-17 22:47:05,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50bca746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:47:05, skipping insertion in model container [2023-11-17 22:47:05,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:47:05" (3/3) ... [2023-11-17 22:47:05,614 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-min.wvr.c [2023-11-17 22:47:05,622 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 22:47:05,633 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 22:47:05,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2023-11-17 22:47:05,634 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 22:47:05,803 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-17 22:47:05,905 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:47:05,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 22:47:05,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:47:05,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 22:47:05,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 22:47:05,970 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 22:47:05,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread2Thread1of1ForFork2 ======== [2023-11-17 22:47:05,989 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;@4597ab2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:47:05,989 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-17 22:47:06,384 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-17 22:47:06,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:06,394 INFO L85 PathProgramCache]: Analyzing trace with hash 62541078, now seen corresponding path program 1 times [2023-11-17 22:47:06,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:06,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819563022] [2023-11-17 22:47:06,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:06,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:47:06,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:06,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819563022] [2023-11-17 22:47:06,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819563022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:06,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:06,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:06,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10098362] [2023-11-17 22:47:06,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:06,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 22:47:06,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:06,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 22:47:06,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 22:47:06,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:06,937 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:06,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 119.5) internal successors, (239), 2 states have internal predecessors, (239), 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) [2023-11-17 22:47:06,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:07,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 22:47:07,030 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread2Err0ASSERT_VIOLATIONDATA_RACE, thread2Err1ASSERT_VIOLATIONDATA_RACE, thread2Err2ASSERT_VIOLATIONDATA_RACE, thread2Err3ASSERT_VIOLATIONDATA_RACE (and 4 more)] === [2023-11-17 22:47:07,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:07,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1725726170, now seen corresponding path program 1 times [2023-11-17 22:47:07,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:07,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357756882] [2023-11-17 22:47:07,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:07,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:07,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:47:07,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:07,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357756882] [2023-11-17 22:47:07,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357756882] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:07,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:07,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:07,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800197089] [2023-11-17 22:47:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:07,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:07,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:07,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:07,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:07,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:07,369 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:07,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.0) internal successors, (230), 3 states have internal predecessors, (230), 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) [2023-11-17 22:47:07,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:07,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:22,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:22,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:22,825 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-17 22:47:22,826 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-17 22:47:22,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-17 22:47:22,827 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (4 of 8 remaining) [2023-11-17 22:47:22,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-17 22:47:22,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-17 22:47:22,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-17 22:47:22,829 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-17 22:47:22,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 22:47:22,844 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-17 22:47:22,846 INFO L307 ceAbstractionStarter]: Result for error location thread2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/4) [2023-11-17 22:47:22,859 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:47:22,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 22:47:22,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:47:22,882 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 22:47:22,888 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 22:47:22,888 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork1 ======== [2023-11-17 22:47:22,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2023-11-17 22:47:22,899 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;@4597ab2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 22:47:22,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2023-11-17 22:47:23,194 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:23,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:23,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1883088192, now seen corresponding path program 1 times [2023-11-17 22:47:23,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:23,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591539183] [2023-11-17 22:47:23,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:23,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:23,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:47:23,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:23,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591539183] [2023-11-17 22:47:23,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591539183] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:23,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:23,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:23,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620189913] [2023-11-17 22:47:23,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:23,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 22:47:23,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:23,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 22:47:23,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 22:47:23,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:23,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 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) [2023-11-17 22:47:23,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-17 22:47:23,334 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:23,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1049006460, now seen corresponding path program 1 times [2023-11-17 22:47:23,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:23,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893317087] [2023-11-17 22:47:23,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:23,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:47:23,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:23,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893317087] [2023-11-17 22:47:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893317087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:23,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:23,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:23,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582830098] [2023-11-17 22:47:23,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:23,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:23,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:23,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:23,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:23,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:23,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 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) [2023-11-17 22:47:23,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:23,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 22:47:23,581 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:23,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash -767959283, now seen corresponding path program 1 times [2023-11-17 22:47:23,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:23,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709910149] [2023-11-17 22:47:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:23,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:47:23,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:23,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709910149] [2023-11-17 22:47:23,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709910149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:23,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:23,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:23,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586040787] [2023-11-17 22:47:23,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:23,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:23,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:23,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:23,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:23,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:23,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.5) internal successors, (227), 3 states have internal predecessors, (227), 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) [2023-11-17 22:47:23,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:23,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:23,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:23,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 22:47:23,896 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:23,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:23,897 INFO L85 PathProgramCache]: Analyzing trace with hash 725550671, now seen corresponding path program 1 times [2023-11-17 22:47:23,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:23,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804623468] [2023-11-17 22:47:23,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:23,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:47:24,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:24,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804623468] [2023-11-17 22:47:24,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804623468] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:24,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:24,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:24,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720375316] [2023-11-17 22:47:24,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:24,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:24,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:24,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:24,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:24,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:24,226 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:24,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 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) [2023-11-17 22:47:24,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:24,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-17 22:47:24,407 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:24,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1278695347, now seen corresponding path program 1 times [2023-11-17 22:47:24,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:24,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491030436] [2023-11-17 22:47:24,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 22:47:24,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:24,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491030436] [2023-11-17 22:47:24,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491030436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:24,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:24,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 22:47:24,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997148718] [2023-11-17 22:47:24,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:24,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 22:47:24,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:24,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 22:47:24,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-17 22:47:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:24,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:24,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 33.57142857142857) internal successors, (235), 7 states have internal predecessors, (235), 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) [2023-11-17 22:47:24,923 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:24,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:24,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:25,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:25,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-17 22:47:25,227 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:25,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:25,228 INFO L85 PathProgramCache]: Analyzing trace with hash 875069626, now seen corresponding path program 1 times [2023-11-17 22:47:25,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:25,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363687104] [2023-11-17 22:47:25,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:25,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 22:47:25,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:25,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363687104] [2023-11-17 22:47:25,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363687104] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 22:47:25,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234934747] [2023-11-17 22:47:25,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:25,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:47:25,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 [2023-11-17 22:47:25,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 22:47:25,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 22:47:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:26,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 22:47:26,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 22:47:26,764 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 22:47:26,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 22:47:27,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 22:47:27,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234934747] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 22:47:27,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 22:47:27,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2023-11-17 22:47:27,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619223820] [2023-11-17 22:47:27,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 22:47:27,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-17 22:47:27,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:27,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-17 22:47:27,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2023-11-17 22:47:27,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:27,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:27,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.94736842105263) internal successors, (341), 19 states have internal predecessors, (341), 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) [2023-11-17 22:47:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:27,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:27,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:27,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:27,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:28,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:28,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:28,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 22:47:28,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bb7fe40-c3bb-4534-8f06-6521a057b426/bin/ugemcutter-verify-ztSkJzofpW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 22:47:28,236 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:28,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash 94801235, now seen corresponding path program 2 times [2023-11-17 22:47:28,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:28,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943306577] [2023-11-17 22:47:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-17 22:47:30,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:30,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943306577] [2023-11-17 22:47:30,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943306577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:30,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:30,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 22:47:30,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380541177] [2023-11-17 22:47:30,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:30,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 22:47:30,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:30,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 22:47:30,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-17 22:47:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:30,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:30,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 56.0) internal successors, (280), 6 states have internal predecessors, (280), 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) [2023-11-17 22:47:30,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:30,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:33,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:33,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-17 22:47:33,096 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:33,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:33,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1592216891, now seen corresponding path program 1 times [2023-11-17 22:47:33,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:33,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585391480] [2023-11-17 22:47:33,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:33,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-17 22:47:33,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:33,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585391480] [2023-11-17 22:47:33,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585391480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:33,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:33,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:33,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88727100] [2023-11-17 22:47:33,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:33,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:33,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:33,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:33,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:33,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:33,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 147.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2023-11-17 22:47:33,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:33,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:33,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-17 22:47:33,432 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:33,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:33,433 INFO L85 PathProgramCache]: Analyzing trace with hash 789264428, now seen corresponding path program 1 times [2023-11-17 22:47:33,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:33,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311044561] [2023-11-17 22:47:33,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:33,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:33,790 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-17 22:47:33,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:33,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311044561] [2023-11-17 22:47:33,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311044561] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:33,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:33,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179332217] [2023-11-17 22:47:33,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:33,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:33,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:33,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:33,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:33,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 149.0) internal successors, (298), 3 states have internal predecessors, (298), 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) [2023-11-17 22:47:33,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:33,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:33,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:33,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:33,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:33,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-17 22:47:33,895 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:33,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:33,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1726048689, now seen corresponding path program 1 times [2023-11-17 22:47:33,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:33,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270886849] [2023-11-17 22:47:33,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:33,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:34,076 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-17 22:47:34,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:34,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270886849] [2023-11-17 22:47:34,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270886849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:34,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:34,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:34,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892974085] [2023-11-17 22:47:34,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:34,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:34,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:34,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:34,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:34,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:34,081 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:34,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 150.0) internal successors, (300), 3 states have internal predecessors, (300), 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) [2023-11-17 22:47:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:34,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:34,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:37,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:37,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:37,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:37,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:37,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:37,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:37,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-17 22:47:37,463 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:37,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:37,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1086871607, now seen corresponding path program 1 times [2023-11-17 22:47:37,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:37,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857060051] [2023-11-17 22:47:37,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:37,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-17 22:47:39,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:39,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857060051] [2023-11-17 22:47:39,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857060051] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:39,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:39,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 22:47:39,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378566212] [2023-11-17 22:47:39,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:39,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-17 22:47:39,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:39,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-17 22:47:39,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-17 22:47:39,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:39,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:39,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 61.2) internal successors, (306), 6 states have internal predecessors, (306), 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) [2023-11-17 22:47:39,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:39,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:39,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:39,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:39,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:39,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:39,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:39,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:39,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:39,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:39,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:43,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:43,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:43,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-17 22:47:43,900 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thread1Err12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 9 more)] === [2023-11-17 22:47:43,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 22:47:43,902 INFO L85 PathProgramCache]: Analyzing trace with hash 419244487, now seen corresponding path program 1 times [2023-11-17 22:47:43,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 22:47:43,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035227909] [2023-11-17 22:47:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 22:47:43,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 22:47:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 22:47:44,144 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-17 22:47:44,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 22:47:44,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035227909] [2023-11-17 22:47:44,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035227909] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 22:47:44,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 22:47:44,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 22:47:44,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646769142] [2023-11-17 22:47:44,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 22:47:44,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-17 22:47:44,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 22:47:44,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-17 22:47:44,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-17 22:47:44,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:44,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 22:47:44,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 160.0) internal successors, (320), 3 states have internal predecessors, (320), 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) [2023-11-17 22:47:44,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 22:47:44,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:44,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:44,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:44,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 22:47:44,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-11-17 22:47:44,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:44,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:44,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:44,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-17 22:47:44,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 22:47:44,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.