./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:49:31,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:49:31,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-12-02 20:49:31,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:49:31,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:49:31,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:49:31,248 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:49:31,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:49:31,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:49:31,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:49:31,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:49:31,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:49:31,252 INFO L153 SettingsManager]: * Use SBE=true [2023-12-02 20:49:31,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:49:31,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:49:31,254 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:49:31,254 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:49:31,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:49:31,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:49:31,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:49:31,256 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:49:31,257 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:49:31,257 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:49:31,258 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:49:31,258 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:49:31,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:49:31,259 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 20:49:31,260 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:49:31,260 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:49:31,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:49:31,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:49:31,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:49:31,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:49:31,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-02 20:49:31,263 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-12-02 20:49:31,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:49:31,263 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:49:31,263 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-12-02 20:49:31,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:49:31,264 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-12-02 20:49:31,264 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-12-02 20:49:31,264 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_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2023-12-02 20:49:31,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:49:31,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:49:31,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:49:31,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:49:31,512 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:49:31,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/../../sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-12-02 20:49:34,375 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:49:34,664 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:49:34,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2023-12-02 20:49:34,694 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/data/5ce323946/c67d64d283fa4b6abf4397d04425ab4d/FLAGc504acde6 [2023-12-02 20:49:34,709 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/data/5ce323946/c67d64d283fa4b6abf4397d04425ab4d [2023-12-02 20:49:34,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:49:34,713 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:49:34,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:49:34,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:49:34,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:49:34,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:34" (1/1) ... [2023-12-02 20:49:34,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa71a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:34, skipping insertion in model container [2023-12-02 20:49:34,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:49:34" (1/1) ... [2023-12-02 20:49:34,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:49:35,227 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[186287,186300] [2023-12-02 20:49:35,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:49:35,275 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:49:35,316 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/sv-benchmarks/c/ldv-races/race-2_3-container_of.i[186287,186300] [2023-12-02 20:49:35,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:49:35,378 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:49:35,379 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:49:35,386 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:49:35,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35 WrapperNode [2023-12-02 20:49:35,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:49:35,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:49:35,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:49:35,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:49:35,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,478 INFO L138 Inliner]: procedures = 248, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-12-02 20:49:35,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:49:35,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:49:35,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:49:35,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:49:35,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,509 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:49:35,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:49:35,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:49:35,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:49:35,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (1/1) ... [2023-12-02 20:49:35,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:49:35,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:35,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:35,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:49:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-12-02 20:49:35,594 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-12-02 20:49:35,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:49:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:49:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:49:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:49:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 20:49:35,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 20:49:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:49:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 20:49:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:49:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:49:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:49:35,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:49:35,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:49:35,598 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:49:35,832 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:49:35,834 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:49:36,089 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:49:36,240 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:49:36,240 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:49:36,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:36 BoogieIcfgContainer [2023-12-02 20:49:36,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:49:36,244 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:49:36,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:49:36,247 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:49:36,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:49:34" (1/3) ... [2023-12-02 20:49:36,248 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c61daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:49:36, skipping insertion in model container [2023-12-02 20:49:36,248 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:49:35" (2/3) ... [2023-12-02 20:49:36,249 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c61daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:49:36, skipping insertion in model container [2023-12-02 20:49:36,249 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:36" (3/3) ... [2023-12-02 20:49:36,250 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2023-12-02 20:49:36,258 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:49:36,267 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:49:36,267 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-12-02 20:49:36,267 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:49:36,312 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 20:49:36,350 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:36,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-12-02 20:49:36,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 [2023-12-02 20:49:36,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-12-02 20:49:36,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-12-02 20:49:36,396 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-12-02 20:49:36,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-12-02 20:49:36,413 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;@1457a118, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:49:36,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-12-02 20:49:36,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-12-02 20:49:36,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:36,438 INFO L85 PathProgramCache]: Analyzing trace with hash -817256833, now seen corresponding path program 1 times [2023-12-02 20:49:36,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:36,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611015229] [2023-12-02 20:49:36,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:36,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:36,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:36,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611015229] [2023-12-02 20:49:36,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611015229] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:36,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:36,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:49:36,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760532781] [2023-12-02 20:49:36,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:36,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:36,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:36,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:36,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:36,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:36,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-12-02 20:49:36,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:36,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:36,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:49:36,985 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-12-02 20:49:36,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:36,986 INFO L85 PathProgramCache]: Analyzing trace with hash 595246558, now seen corresponding path program 1 times [2023-12-02 20:49:36,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:36,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489679510] [2023-12-02 20:49:36,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:36,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:37,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:37,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489679510] [2023-12-02 20:49:37,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489679510] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:37,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:37,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 20:49:37,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148205272] [2023-12-02 20:49:37,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:37,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:49:37,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:37,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:49:37,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:49:37,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:37,169 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:37,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2023-12-02 20:49:37,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:37,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:49:47,050 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-12-02 20:49:47,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:47,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1317922844, now seen corresponding path program 1 times [2023-12-02 20:49:47,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:47,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359484778] [2023-12-02 20:49:47,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:47,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:47,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:47,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:47,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359484778] [2023-12-02 20:49:47,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359484778] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:47,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:47,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:47,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768135648] [2023-12-02 20:49:47,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:47,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:47,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:47,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:47,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:47,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2023-12-02 20:49:47,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:49:47,392 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-12-02 20:49:47,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:47,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2094065248, now seen corresponding path program 1 times [2023-12-02 20:49:47,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:47,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359734107] [2023-12-02 20:49:47,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:47,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:49:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:49:47,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-02 20:49:47,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359734107] [2023-12-02 20:49:47,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359734107] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:49:47,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:49:47,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:49:47,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654678993] [2023-12-02 20:49:47,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:49:47,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:49:47,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-02 20:49:47,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:49:47,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:49:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,600 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-12-02 20:49:47,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2023-12-02 20:49:47,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-12-02 20:49:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:49:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:49:47,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:49:47,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-12-02 20:49:47,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:49:47,765 INFO L85 PathProgramCache]: Analyzing trace with hash -599494789, now seen corresponding path program 1 times [2023-12-02 20:49:47,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-02 20:49:47,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019708973] [2023-12-02 20:49:47,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:49:47,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:49:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:49:47,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 20:49:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 20:49:47,972 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-02 20:49:47,972 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 20:49:47,974 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-12-02 20:49:47,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-12-02 20:49:47,976 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-12-02 20:49:47,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-12-02 20:49:47,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-12-02 20:49:47,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-12-02 20:49:47,977 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-12-02 20:49:47,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-12-02 20:49:47,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-02 20:49:47,984 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-12-02 20:49:47,989 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 20:49:47,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:49:48,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated [2023-12-02 20:49:48,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated [2023-12-02 20:49:48,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-12-02 20:49:48,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet16 [2023-12-02 20:49:48,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-12-02 20:49:48,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-12-02 20:49:48,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet18 [2023-12-02 20:49:48,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-12-02 20:49:48,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:49:48 BasicIcfg [2023-12-02 20:49:48,058 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:49:48,058 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:49:48,059 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:49:48,059 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:49:48,059 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:49:36" (3/4) ... [2023-12-02 20:49:48,060 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 20:49:48,090 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated [2023-12-02 20:49:48,092 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated [2023-12-02 20:49:48,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-12-02 20:49:48,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated [2023-12-02 20:49:48,094 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet16 [2023-12-02 20:49:48,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-12-02 20:49:48,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2023-12-02 20:49:48,095 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet18 [2023-12-02 20:49:48,138 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/witness.graphml [2023-12-02 20:49:48,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:49:48,139 INFO L158 Benchmark]: Toolchain (without parser) took 13426.83ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 80.7MB in the beginning and 69.0MB in the end (delta: 11.7MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB. [2023-12-02 20:49:48,140 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:49:48,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.13ms. Allocated memory is still 130.0MB. Free memory was 80.7MB in the beginning and 98.8MB in the end (delta: -18.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 20:49:48,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.16ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 98.8MB in the beginning and 165.4MB in the end (delta: -66.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-12-02 20:49:48,141 INFO L158 Benchmark]: Boogie Preprocessor took 44.91ms. Allocated memory is still 195.0MB. Free memory was 165.4MB in the beginning and 162.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:49:48,141 INFO L158 Benchmark]: RCFGBuilder took 717.08ms. Allocated memory is still 195.0MB. Free memory was 162.3MB in the beginning and 117.1MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-12-02 20:49:48,142 INFO L158 Benchmark]: TraceAbstraction took 11813.46ms. Allocated memory is still 195.0MB. Free memory was 116.1MB in the beginning and 81.6MB in the end (delta: 34.6MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2023-12-02 20:49:48,142 INFO L158 Benchmark]: Witness Printer took 80.39ms. Allocated memory is still 195.0MB. Free memory was 81.6MB in the beginning and 69.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 20:49:48,144 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.13ms. Allocated memory is still 130.0MB. Free memory was 80.7MB in the beginning and 98.8MB in the end (delta: -18.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.16ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 98.8MB in the beginning and 165.4MB in the end (delta: -66.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.91ms. Allocated memory is still 195.0MB. Free memory was 165.4MB in the beginning and 162.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.08ms. Allocated memory is still 195.0MB. Free memory was 162.3MB in the beginning and 117.1MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 11813.46ms. Allocated memory is still 195.0MB. Free memory was 116.1MB in the beginning and 81.6MB in the end (delta: 34.6MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. * Witness Printer took 80.39ms. Allocated memory is still 195.0MB. Free memory was 81.6MB in the beginning and 69.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet16 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet18 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet16 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet18 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 464, independent: 413, independent conditional: 39, independent unconditional: 374, dependent: 36, dependent conditional: 29, dependent unconditional: 7, unknown: 15, unknown conditional: 6, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 438, independent: 413, independent conditional: 39, independent unconditional: 374, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 15, unknown conditional: 6, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 438, independent: 413, independent conditional: 39, independent unconditional: 374, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 15, unknown conditional: 6, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 447, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 21, unknown conditional: 6, unknown unconditional: 15] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 447, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 447, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 390, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 390, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9660, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 9517, unknown conditional: 0, unknown unconditional: 9517] , Protected Queries: 0 ], Cache Queries: [ total: 447, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 402, unknown conditional: 0, unknown unconditional: 402] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 9, Unknown conditional cache size: 0, Unknown unconditional cache size: 9, Eliminated conditions: 9, Maximal queried relation: 1, Independence queries for same thread: 26 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 9.7s, Number of persistent set computation: 52, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 390, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 464, independent: 413, independent conditional: 39, independent unconditional: 374, dependent: 36, dependent conditional: 29, dependent unconditional: 7, unknown: 15, unknown conditional: 6, unknown unconditional: 9] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 438, independent: 413, independent conditional: 39, independent unconditional: 374, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 15, unknown conditional: 6, unknown unconditional: 9] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 438, independent: 413, independent conditional: 39, independent unconditional: 374, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 15, unknown conditional: 6, unknown unconditional: 9] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 447, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 13, dependent conditional: 3, dependent unconditional: 10, unknown: 21, unknown conditional: 6, unknown unconditional: 15] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 447, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 447, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 390, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 390, independent: 372, independent conditional: 0, independent unconditional: 372, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9660, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 9517, unknown conditional: 0, unknown unconditional: 9517] , Protected Queries: 0 ], Cache Queries: [ total: 447, independent: 39, independent conditional: 0, independent unconditional: 39, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 402, unknown conditional: 0, unknown unconditional: 402] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 9, Unknown conditional cache size: 0, Unknown unconditional cache size: 9, Eliminated conditions: 9, Maximal queried relation: 1, Independence queries for same thread: 26 - CounterExampleResult [Line: 3887]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L3888] 0 pthread_t t1,t2; [L3962] CALL, EXPR 0 my_drv_init() [L3956] 0 return 0; [L3962] RET, EXPR 0 my_drv_init() [L3962] 0 int ret = my_drv_init(); [L3963] COND TRUE 0 ret==0 [L3964] 0 int probe_ret; [L3965] 0 struct my_data data; [L3966] CALL, EXPR 0 my_drv_probe(&data) [L3919] 0 struct device *d = &data->dev; [L3923] 0 data->shared.a = 0 [L3924] 0 data->shared.b = 0 [L3925] 0 int res = __VERIFIER_nondet_int(); [L3926] COND FALSE 0 !(\read(res)) [L3929] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={9:24}, d={9:24}, data={9:0}, data={9:0}, res=0, t1={3:0}, t2={4:0}] [L3902] 1 struct device *dev = (struct device*)arg; [L3903] 1 struct my_data *data; [L3904] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3907] 1 data->shared.a = 1 VAL [arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, t1={3:0}, t2={4:0}] [L3910] EXPR 1 data->shared.b [L3910] 1 int lb = data->shared.b; [L3913] 1 data->shared.b = lb + 1 VAL [arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L3916] 1 return 0; [L3930] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, arg={9:24}, arg={9:24}, d={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=0, res=0, t1={3:0}, t2={4:0}] [L3902] 2 struct device *dev = (struct device*)arg; [L3903] 2 struct my_data *data; [L3904] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3907] 2 data->shared.a = 1 VAL [\result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=0, t1={3:0}, t2={4:0}] [L3910] EXPR 2 data->shared.b [L3910] 2 int lb = data->shared.b; [L3913] 2 data->shared.b = lb + 1 VAL [\result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, lb=1, t1={3:0}, t2={4:0}] [L3916] 2 return 0; [L3933] 0 data->shared.a = 3 VAL [\result={0:0}, arg={9:24}, arg={9:24}, d={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=1, res=0, t1={3:0}, t2={4:0}] [L3936] 0 data->shared.b = 3 VAL [\result={0:0}, arg={9:24}, arg={9:24}, d={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=1, res=0, t1={3:0}, t2={4:0}] [L3939] EXPR 0 data->shared.a [L3939] CALL 0 ldv_assert(data->shared.a==3) [L3887] COND FALSE 0 !(!expression) [L3939] RET 0 ldv_assert(data->shared.a==3) [L3942] EXPR 0 data->shared.b [L3942] CALL 0 ldv_assert(data->shared.b==3) [L3887] COND FALSE 0 !(!expression) [L3942] RET 0 ldv_assert(data->shared.b==3) [L3944] 0 return 0; VAL [\result=0, \result={0:0}, arg={9:24}, arg={9:24}, d={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=1, res=0, t1={3:0}, t2={4:0}] [L3966] RET, EXPR 0 my_drv_probe(&data) [L3966] 0 probe_ret = my_drv_probe(&data) [L3967] COND TRUE 0 probe_ret==0 [L3968] CALL 0 my_drv_disconnect(&data) [L3950] 0 void *status; [L3951] 0 \read(t1) VAL [\result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=1, status={8:0}, t1={3:0}, t2={4:0}] [L3951] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=1, status={8:0}, t1={3:0}, t2={4:0}] [L3952] 0 \read(t2) VAL [\result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=1, status={8:0}, t1={3:0}, t2={4:0}] [L3952] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, data={9:0}, data={9:0}, dev={9:24}, lb=1, status={8:0}, t1={3:0}, t2={4:0}] [L3968] RET 0 my_drv_disconnect(&data) [L3969] EXPR 0 data.shared.a [L3969] CALL 0 ldv_assert(data.shared.a==1) [L3887] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, expression=0, lb=1, t1={3:0}, t2={4:0}] [L3887] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, arg={9:24}, arg={9:24}, data={9:0}, dev={9:24}, expression=0, lb=1, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3930]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 3929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 4 procedures, 68 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 10.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-12-02 20:49:48,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:49:48,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f83b9101-6116-4d8c-b97a-a3bd129f5372/bin/ugemcutter-verify-Bi2udmvEmx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE