./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/singleton.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/singleton.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:07:32,403 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:07:32,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf [2023-11-24 22:07:32,528 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:07:32,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 22:07:32,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:07:32,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 22:07:32,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 22:07:32,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:07:32,584 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 22:07:32,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:07:32,586 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:07:32,586 INFO L153 SettingsManager]: * Use SBE=true [2023-11-24 22:07:32,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:07:32,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:07:32,590 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:07:32,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:07:32,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:07:32,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:07:32,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:07:32,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:07:32,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:07:32,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:07:32,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:07:32,594 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:07:32,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:07:32,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:07:32,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:07:32,596 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 22:07:32,597 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 22:07:32,598 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 22:07:32,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:32,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:07:32,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:07:32,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:07:32,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-24 22:07:32,601 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2023-11-24 22:07:32,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:07:32,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 22:07:32,602 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-11-24 22:07:32,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-24 22:07:32,602 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:07:32,603 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-24 22:07:32,603 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-11-24 22:07:32,604 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_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea0ecaab9c4a4889914d1343f60808acf6ec66df89812b70cea6837a39471f7f [2023-11-24 22:07:32,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:07:32,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:07:32,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:07:32,968 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:07:32,969 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:07:32,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/pthread/singleton.i [2023-11-24 22:07:36,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:07:36,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:07:36,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/sv-benchmarks/c/pthread/singleton.i [2023-11-24 22:07:36,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/data/e53905f6c/bdeeef991ed042a08a324ae09105e4a5/FLAGde1694a01 [2023-11-24 22:07:36,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/data/e53905f6c/bdeeef991ed042a08a324ae09105e4a5 [2023-11-24 22:07:36,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:07:36,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:07:36,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:36,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:07:36,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:07:36,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:36" (1/1) ... [2023-11-24 22:07:36,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2404be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:36, skipping insertion in model container [2023-11-24 22:07:36,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:36" (1/1) ... [2023-11-24 22:07:36,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:07:37,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:37,154 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:07:37,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:07:37,350 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:37,350 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:07:37,358 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:07:37,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37 WrapperNode [2023-11-24 22:07:37,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:07:37,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:37,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:07:37,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:07:37,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,440 INFO L138 Inliner]: procedures = 324, calls = 52, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2023-11-24 22:07:37,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:07:37,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:07:37,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:07:37,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:07:37,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,467 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:07:37,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:07:37,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:07:37,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:07:37,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (1/1) ... [2023-11-24 22:07:37,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 22:07:37,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/z3 [2023-11-24 22:07:37,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 22:07:37,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 22:07:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:07:37,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:07:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:07:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:07:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:07:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2023-11-24 22:07:37,589 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2023-11-24 22:07:37,589 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:07:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:07:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:07:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:07:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:07:37,590 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:07:37,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:07:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:07:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:07:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:07:37,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:07:37,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:07:37,593 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:07:37,772 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:07:37,774 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:07:38,032 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:07:38,228 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:07:38,228 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:07:38,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:38 BoogieIcfgContainer [2023-11-24 22:07:38,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:07:38,232 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 22:07:38,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 22:07:38,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 22:07:38,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:07:36" (1/3) ... [2023-11-24 22:07:38,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393da966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:38, skipping insertion in model container [2023-11-24 22:07:38,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:37" (2/3) ... [2023-11-24 22:07:38,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393da966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:38, skipping insertion in model container [2023-11-24 22:07:38,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:38" (3/3) ... [2023-11-24 22:07:38,240 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton.i [2023-11-24 22:07:38,249 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-24 22:07:38,260 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 22:07:38,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-11-24 22:07:38,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@393da966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 10:07:38, skipping insertion in model container [2023-11-24 22:07:38,263 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 22:07:38,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:07:38,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:07:38,264 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:07:38,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:38" (3/3) ... [2023-11-24 22:07:38,268 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:07:38,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0 [2023-11-24 22:07:38,272 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-24 22:07:38,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-24 22:07:38,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2023-11-24 22:07:38,278 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-11-24 22:07:38,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-24 22:07:38,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:07:38,279 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-24 22:07:38,373 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/witness.graphml [2023-11-24 22:07:38,374 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/witness.yml [2023-11-24 22:07:38,374 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:07:38,376 INFO L158 Benchmark]: Toolchain (without parser) took 1915.09ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 83.5MB in the beginning and 114.6MB in the end (delta: -31.2MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2023-11-24 22:07:38,376 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 132.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:07:38,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 893.03ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 83.0MB in the beginning and 156.6MB in the end (delta: -73.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:38,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.67ms. Allocated memory is still 203.4MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:38,379 INFO L158 Benchmark]: Boogie Preprocessor took 70.13ms. Allocated memory is still 203.4MB. Free memory was 154.5MB in the beginning and 152.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:38,379 INFO L158 Benchmark]: RCFGBuilder took 717.22ms. Allocated memory is still 203.4MB. Free memory was 152.2MB in the beginning and 122.0MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:07:38,380 INFO L158 Benchmark]: TraceAbstraction took 30.92ms. Allocated memory is still 203.4MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:07:38,381 INFO L158 Benchmark]: Witness Printer took 110.34ms. Allocated memory is still 203.4MB. Free memory was 118.8MB in the beginning and 114.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:07:38,384 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14ms. Allocated memory is still 132.1MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 893.03ms. Allocated memory was 132.1MB in the beginning and 203.4MB in the end (delta: 71.3MB). Free memory was 83.0MB in the beginning and 156.6MB in the end (delta: -73.5MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.67ms. Allocated memory is still 203.4MB. Free memory was 156.6MB in the beginning and 154.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.13ms. Allocated memory is still 203.4MB. Free memory was 154.5MB in the beginning and 152.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 717.22ms. Allocated memory is still 203.4MB. Free memory was 152.2MB in the beginning and 122.0MB in the end (delta: 30.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 30.92ms. Allocated memory is still 203.4MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 110.34ms. Allocated memory is still 203.4MB. Free memory was 118.8MB in the beginning and 114.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:07:38,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca9ca75f-5ef0-4560-9c36-ebb26ebe6acd/bin/ugemcutter-verify-oI9GxRtH0S/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 Result: TRUE