./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/config/GemCutterReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i --witnessprinter.witness.filename witness.graphml --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 14:09:36,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 14:09:36,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/config/svcomp-Reach-32bit-GemCutter_Default.epf [2023-11-06 14:09:36,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 14:09:36,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 14:09:36,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 14:09:36,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 14:09:36,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 14:09:36,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 14:09:36,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 14:09:36,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 14:09:36,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 14:09:36,863 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 14:09:36,864 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 14:09:36,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 14:09:36,865 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 14:09:36,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 14:09:36,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 14:09:36,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 14:09:36,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 14:09:36,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 14:09:36,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 14:09:36,870 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 14:09:36,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 14:09:36,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 14:09:36,872 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 14:09:36,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 14:09:36,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 14:09:36,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:09:36,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 14:09:36,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 14:09:36,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 14:09:36,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 14:09:36,876 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-06 14:09:36,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 14:09:36,877 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-06 14:09:36,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-06 14:09:36,878 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 14:09:36,878 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-06 14:09:36,879 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-06 14:09:36,879 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_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2023-11-06 14:09:37,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 14:09:37,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 14:09:37,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 14:09:37,223 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 14:09:37,224 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 14:09:37,225 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-06 14:09:40,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 14:09:40,979 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 14:09:40,981 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-06 14:09:41,014 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/data/d1391dac3/3dead7df05684ab9a2a5ca8d2e48897a/FLAG528a4348e [2023-11-06 14:09:41,038 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/data/d1391dac3/3dead7df05684ab9a2a5ca8d2e48897a [2023-11-06 14:09:41,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 14:09:41,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 14:09:41,050 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 14:09:41,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 14:09:41,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 14:09:41,056 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:09:41" (1/1) ... [2023-11-06 14:09:41,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53b142c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:41, skipping insertion in model container [2023-11-06 14:09:41,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:09:41" (1/1) ... [2023-11-06 14:09:41,135 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 14:09:41,287 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:09:41,945 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_605a15a9-1184-4104-b1ce-edec9c773a6e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2023-11-06 14:09:41,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:09:42,013 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 14:09:42,026 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 14:09:42,082 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_605a15a9-1184-4104-b1ce-edec9c773a6e/sv-benchmarks/c/ldv-races/race-2_5-container_of.i[75002,75015] [2023-11-06 14:09:42,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 14:09:42,268 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:09:42,269 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:09:42,269 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 14:09:42,276 INFO L206 MainTranslator]: Completed translation [2023-11-06 14:09:42,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42 WrapperNode [2023-11-06 14:09:42,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 14:09:42,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 14:09:42,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 14:09:42,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 14:09:42,292 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,356 INFO L138 Inliner]: procedures = 469, calls = 63, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-11-06 14:09:42,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 14:09:42,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 14:09:42,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 14:09:42,358 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 14:09:42,368 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,392 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,394 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,400 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,411 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 14:09:42,412 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 14:09:42,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 14:09:42,413 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 14:09:42,413 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (1/1) ... [2023-11-06 14:09:42,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 14:09:42,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:09:42,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 14:09:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 14:09:42,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 14:09:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 14:09:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 14:09:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 14:09:42,525 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 14:09:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 14:09:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 14:09:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 14:09:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 14:09:42,529 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-06 14:09:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-06 14:09:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 14:09:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 14:09:42,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 14:09:42,532 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 14:09:42,914 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 14:09:42,918 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 14:09:43,332 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 14:09:43,386 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 14:09:43,386 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 14:09:43,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:09:43 BoogieIcfgContainer [2023-11-06 14:09:43,389 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 14:09:43,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 14:09:43,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 14:09:43,395 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 14:09:43,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:09:41" (1/3) ... [2023-11-06 14:09:43,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6482ec65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:09:43, skipping insertion in model container [2023-11-06 14:09:43,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:09:42" (2/3) ... [2023-11-06 14:09:43,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6482ec65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:09:43, skipping insertion in model container [2023-11-06 14:09:43,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:09:43" (3/3) ... [2023-11-06 14:09:43,399 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-11-06 14:09:43,408 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 14:09:43,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 14:09:43,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 14:09:43,421 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 14:09:43,503 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 14:09:43,555 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:09:43,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-06 14:09:43,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 [2023-11-06 14:09:43,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-06 14:09:43,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-06 14:09:43,613 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-06 14:09:43,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-06 14:09:43,634 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e07f98e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-06 14:09:43,635 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 14:09:43,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-11-06 14:09:43,700 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:43,700 INFO L85 PathProgramCache]: Analyzing trace with hash -838654299, now seen corresponding path program 1 times [2023-11-06 14:09:43,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:09:43,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524903873] [2023-11-06 14:09:43,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:43,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:09:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:44,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:44,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:09:44,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524903873] [2023-11-06 14:09:44,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524903873] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:44,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:44,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 14:09:44,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904160481] [2023-11-06 14:09:44,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:44,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 14:09:44,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:09:44,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 14:09:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 14:09:44,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:44,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:44,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 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) [2023-11-06 14:09:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:45,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:45,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 14:09:45,114 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-11-06 14:09:45,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:45,115 INFO L85 PathProgramCache]: Analyzing trace with hash 242480993, now seen corresponding path program 1 times [2023-11-06 14:09:45,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:09:45,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972701849] [2023-11-06 14:09:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:45,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:09:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:45,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:09:45,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972701849] [2023-11-06 14:09:45,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972701849] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:45,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:45,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 14:09:45,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059834769] [2023-11-06 14:09:45,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:45,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 14:09:45,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:09:45,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 14:09:45,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 14:09:45,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:45,701 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:45,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2023-11-06 14:09:45,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:45,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:52,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:52,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:52,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 14:09:52,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-11-06 14:09:52,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:52,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1330270735, now seen corresponding path program 1 times [2023-11-06 14:09:52,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:09:52,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553449611] [2023-11-06 14:09:52,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:09:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:53,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:53,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:09:53,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553449611] [2023-11-06 14:09:53,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553449611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:53,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:53,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 14:09:53,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355769965] [2023-11-06 14:09:53,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:53,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 14:09:53,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:09:53,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 14:09:53,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 14:09:53,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:53,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:53,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 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) [2023-11-06 14:09:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:53,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:53,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:53,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:53,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:53,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:09:53,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 14:09:53,222 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-11-06 14:09:53,223 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:53,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1711279754, now seen corresponding path program 1 times [2023-11-06 14:09:53,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:09:53,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948471402] [2023-11-06 14:09:53,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:53,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:09:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 14:09:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 14:09:53,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 14:09:53,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948471402] [2023-11-06 14:09:53,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948471402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 14:09:53,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 14:09:53,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 14:09:53,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142319621] [2023-11-06 14:09:53,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 14:09:53,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 14:09:53,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 14:09:53,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 14:09:53,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 14:09:53,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:53,663 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-06 14:09:53,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.5) internal successors, (101), 3 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 14:09:53,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-06 14:09:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:09:53,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-06 14:09:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 14:09:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 14:09:53,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:09:53,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 14:09:53,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 14:09:53,822 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2023-11-06 14:09:53,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 14:09:53,824 INFO L85 PathProgramCache]: Analyzing trace with hash 2043666527, now seen corresponding path program 1 times [2023-11-06 14:09:53,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 14:09:53,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442495579] [2023-11-06 14:09:53,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 14:09:53,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 14:09:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 14:09:54,004 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 14:09:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 14:09:54,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 14:09:54,153 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 14:09:54,154 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2023-11-06 14:09:54,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2023-11-06 14:09:54,157 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2023-11-06 14:09:54,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2023-11-06 14:09:54,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2023-11-06 14:09:54,158 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2023-11-06 14:09:54,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2023-11-06 14:09:54,159 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2023-11-06 14:09:54,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 14:09:54,167 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 14:09:54,173 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 14:09:54,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 14:09:54,273 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,275 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,275 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,278 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,279 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,279 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 02:09:54 BasicIcfg [2023-11-06 14:09:54,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 14:09:54,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 14:09:54,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 14:09:54,298 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 14:09:54,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:09:43" (3/4) ... [2023-11-06 14:09:54,300 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-06 14:09:54,356 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,356 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,357 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,359 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,359 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,360 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement [2023-11-06 14:09:54,409 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/witness.graphml.graphml [2023-11-06 14:09:54,409 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 14:09:54,410 INFO L158 Benchmark]: Toolchain (without parser) took 13363.77ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 105.6MB in the beginning and 82.5MB in the end (delta: 23.1MB). Peak memory consumption was 74.4MB. Max. memory is 16.1GB. [2023-11-06 14:09:54,411 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 14:09:54,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1234.85ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 93.3MB in the end (delta: 12.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2023-11-06 14:09:54,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.91ms. Allocated memory is still 151.0MB. Free memory was 93.3MB in the beginning and 89.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 14:09:54,412 INFO L158 Benchmark]: Boogie Preprocessor took 53.52ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 87.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 14:09:54,413 INFO L158 Benchmark]: RCFGBuilder took 977.09ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 112.4MB in the end (delta: -25.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-06 14:09:54,413 INFO L158 Benchmark]: TraceAbstraction took 10905.58ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 111.5MB in the beginning and 106.6MB in the end (delta: 4.9MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-11-06 14:09:54,414 INFO L158 Benchmark]: Witness Printer took 112.00ms. Allocated memory is still 201.3MB. Free memory was 106.6MB in the beginning and 82.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-06 14:09:54,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1234.85ms. Allocated memory is still 151.0MB. Free memory was 105.6MB in the beginning and 93.3MB in the end (delta: 12.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.91ms. Allocated memory is still 151.0MB. Free memory was 93.3MB in the beginning and 89.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.52ms. Allocated memory is still 151.0MB. Free memory was 89.8MB in the beginning and 87.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 977.09ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 112.4MB in the end (delta: -25.4MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * TraceAbstraction took 10905.58ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 111.5MB in the beginning and 106.6MB in the end (delta: 4.9MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. * Witness Printer took 112.00ms. Allocated memory is still 201.3MB. Free memory was 106.6MB in the beginning and 82.5MB in the end (delta: 24.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~nondet7!base has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTCompoundStatement - 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: 2178, independent: 2140, independent conditional: 96, independent unconditional: 2044, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 96, independent unconditional: 2044, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 96, independent unconditional: 2044, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2056, independent: 2044, independent conditional: 0, independent unconditional: 2044, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2056, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6463, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 6308, unknown conditional: 0, unknown unconditional: 6308] , Protected Queries: 0 ], Cache Queries: [ total: 2152, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2056, unknown conditional: 0, unknown unconditional: 2056] , Statistics on independence cache: Total cache size (in pairs): 2050, Positive cache size: 2044, Positive conditional cache size: 0, Positive unconditional cache size: 2044, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 6, Unknown conditional cache size: 0, Unknown unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 26 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 6.6s, Number of persistent set computation: 149, Number of trivial persistent sets: 149, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2056, independent: 2044, independent conditional: 0, independent unconditional: 2044, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2178, independent: 2140, independent conditional: 96, independent unconditional: 2044, dependent: 32, dependent conditional: 26, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 96, independent unconditional: 2044, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 96, independent unconditional: 2044, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2152, independent: 2140, independent conditional: 0, independent unconditional: 2140, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2056, independent: 2044, independent conditional: 0, independent unconditional: 2044, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2056, independent: 2042, independent conditional: 0, independent unconditional: 2042, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 6, unknown conditional: 0, unknown unconditional: 6] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6463, independent: 65, independent conditional: 0, independent unconditional: 65, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 6308, unknown conditional: 0, unknown unconditional: 6308] , Protected Queries: 0 ], Cache Queries: [ total: 2152, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2056, unknown conditional: 0, unknown unconditional: 2056] , Statistics on independence cache: Total cache size (in pairs): 2050, Positive cache size: 2044, Positive conditional cache size: 0, Positive unconditional cache size: 2044, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 6, Unknown conditional cache size: 0, Unknown unconditional cache size: 6, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 26 - CounterExampleResult [Line: 1675]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1676] 0 pthread_t t1,t2; VAL [t1={3:0}, t2={4:0}] [L1745] CALL, EXPR 0 my_drv_init() [L1739] 0 return 0; VAL [\result=0, t1={3:0}, t2={4:0}] [L1745] RET, EXPR 0 my_drv_init() [L1745] 0 int ret = my_drv_init(); VAL [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}] [L1746] COND TRUE 0 ret==0 VAL [ret=0, t1={3:0}, t2={4:0}] [L1747] 0 int probe_ret; VAL [ret=0, t1={3:0}, t2={4:0}] [L1748] 0 struct my_data data; VAL [data={5:0}, ret=0, t1={3:0}, t2={4:0}] [L1749] CALL, EXPR 0 my_drv_probe(&data) [L1706] 0 struct device *d = &data->dev; VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1708] 0 data->shared.a = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1709] 0 data->shared.b = 0 VAL [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}] [L1710] 0 int res = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1711] COND FALSE 0 !(\read(res)) VAL [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}] [L1713] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=2147483646, res=0, t1={3:0}, t2={4:0}] [L1689] 1 struct device *dev = (struct device*)arg; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1690] 1 struct my_data *data; VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}] [L1691] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1694] 1 data->shared.a = 1 VAL [arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}] [L1697] EXPR 1 data->shared.b [L1697] 1 int lb = data->shared.b; [L1700] 1 data->shared.b = lb + 1 VAL [arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1703] 1 return 0; VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1714] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\result={0:0}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=2147483647, res=0, t1={3:0}, t2={4:0}] [L1689] 2 struct device *dev = (struct device*)arg; VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1690] 2 struct my_data *data; VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );} VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1691] 2 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}) VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1694] 2 data->shared.a = 1 VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}] [L1697] EXPR 2 data->shared.b [L1697] 2 int lb = data->shared.b; [L1700] 2 data->shared.b = lb + 1 VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=1, t1={3:0}, t2={4:0}] [L1703] 2 return 0; VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=1, t1={3:0}, t2={4:0}] [L1715] 0 return 0; VAL [\result=0, \result={0:0}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, res=0, t1={3:0}, t2={4:0}] [L1749] RET, EXPR 0 my_drv_probe(&data) [L1749] 0 probe_ret = my_drv_probe(&data) VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, dev={5:24}, lb=1, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1750] COND TRUE 0 probe_ret==0 [L1751] CALL 0 my_drv_disconnect(&data) [L1721] 0 void *status; VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, status={7:0}, t1={3:0}, t2={4:0}] [L1722] 0 \read(t1) VAL [\read(t1)=2147483646, \result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, status={7:0}, t1={3:0}, t2={4:0}] [L1722] FCALL, JOIN 1 pthread_join(t1, &status) VAL [\read(t1)=2147483646, \result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, pthread_join(t1, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1724] 0 data->shared.a = 3 VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, status={7:0}, t1={3:0}, t2={4:0}] [L1727] 0 data->shared.b = 3 VAL [\result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, status={7:0}, t1={3:0}, t2={4:0}] [L1730] EXPR 0 data->shared.a [L1730] CALL 0 ldv_assert(data->shared.a==3) [L1675] COND FALSE 0 !(!expression) [L1730] RET 0 ldv_assert(data->shared.a==3) [L1733] EXPR 0 data->shared.b [L1733] CALL 0 ldv_assert(data->shared.b==3) [L1675] COND FALSE 0 !(!expression) [L1733] RET 0 ldv_assert(data->shared.b==3) [L1735] 0 \read(t2) VAL [\read(t2)=2147483647, \result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, status={7:0}, t1={3:0}, t2={4:0}] [L1735] FCALL, JOIN 2 pthread_join(t2, &status) VAL [\read(t2)=2147483647, \result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=1, pthread_join(t2, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}] [L1751] RET 0 my_drv_disconnect(&data) [L1752] EXPR 0 data.shared.a VAL [\result={0:0}, arg={5:24}, arg={5:24}, data.shared.a=3, data={5:0}, data={5:0}, dev={5:24}, lb=1, probe_ret=0, ret=0, t1={3:0}, t2={4:0}] [L1752] CALL 0 ldv_assert(data.shared.a==1) [L1675] COND TRUE 0 !expression VAL [\old(expression)=0, \result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=1, t1={3:0}, t2={4:0}] [L1675] 0 reach_error() VAL [\old(expression)=0, \result={0:0}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=1, t1={3:0}, t2={4:0}] - UnprovableResult [Line: 1675]: 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: 1675]: 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: 1675]: 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: 1675]: 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: 1675]: 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: 1713]: 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: 1714]: 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, 190 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 7.4s, 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: 21, 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, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 433 NumberOfCodeBlocks, 433 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 313 ConstructedInterpolants, 0 QuantifiedInterpolants, 481 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! [2023-11-06 14:09:54,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-06 14:09:54,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_605a15a9-1184-4104-b1ce-edec9c773a6e/bin/ugemcutter-verify-t8buoWUS1i/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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