./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/time_var_mutex.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/time_var_mutex.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 06:48:08,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 06:48:08,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 06:48:08,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 06:48:08,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 06:48:08,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 06:48:08,658 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 06:48:08,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 06:48:08,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 06:48:08,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 06:48:08,661 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 06:48:08,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 06:48:08,662 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 06:48:08,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 06:48:08,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 06:48:08,663 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 06:48:08,664 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 06:48:08,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 06:48:08,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 06:48:08,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 06:48:08,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 06:48:08,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 06:48:08,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 06:48:08,667 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 06:48:08,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 06:48:08,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 06:48:08,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 06:48:08,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 06:48:08,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 06:48:08,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 06:48:08,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 06:48:08,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 06:48:08,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 06:48:08,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 06:48:08,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 06:48:08,670 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 06:48:08,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 06:48:08,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 06:48:08,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 06:48:08,671 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 06:48:08,671 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 06:48:08,673 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 06:48:08,673 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:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-08-14 06:48:08,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 06:48:08,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 06:48:08,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 06:48:08,945 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 06:48:08,946 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 06:48:08,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/time_var_mutex.yml/witness.yml [2024-08-14 06:48:09,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 06:48:09,096 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 06:48:09,096 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-08-14 06:48:10,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 06:48:10,685 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 06:48:10,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2024-08-14 06:48:10,703 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3161d77c/bb61b532a3b544f2bd8e7d7c8dcf5174/FLAGcdffdc641 [2024-08-14 06:48:11,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3161d77c/bb61b532a3b544f2bd8e7d7c8dcf5174 [2024-08-14 06:48:11,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 06:48:11,038 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 06:48:11,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 06:48:11,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 06:48:11,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 06:48:11,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:48:09" (1/2) ... [2024-08-14 06:48:11,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ed1ad5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:48:11, skipping insertion in model container [2024-08-14 06:48:11,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:48:09" (1/2) ... [2024-08-14 06:48:11,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7a4121a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:48:11, skipping insertion in model container [2024-08-14 06:48:11,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:48:11" (2/2) ... [2024-08-14 06:48:11,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ed1ad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11, skipping insertion in model container [2024-08-14 06:48:11,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:48:11" (2/2) ... [2024-08-14 06:48:11,052 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 06:48:11,094 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 06:48:11,095 INFO L97 edCorrectnessWitness]: Location invariant before [L722-L722] ((! multithreaded || (inode == 0 || inode == 1)) && (! multithreaded || (block == 0 || block == 1))) && (! multithreaded || (busy == 0 || busy == 1)) [2024-08-14 06:48:11,095 INFO L97 edCorrectnessWitness]: Location invariant before [L721-L721] ((! multithreaded || (inode == 0 || inode == 1)) && (! multithreaded || (block == 0 || block == 1))) && (! multithreaded || (busy == 0 || busy == 1)) [2024-08-14 06:48:11,096 INFO L103 edCorrectnessWitness]: ghost_variable m_busy_locked = 0 [2024-08-14 06:48:11,096 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 06:48:11,096 INFO L103 edCorrectnessWitness]: ghost_variable m_inode_locked = 0 [2024-08-14 06:48:11,096 INFO L106 edCorrectnessWitness]: ghost_update [L720-L720] multithreaded = 1; [2024-08-14 06:48:11,096 INFO L106 edCorrectnessWitness]: ghost_update [L712-L712] m_busy_locked = 0; [2024-08-14 06:48:11,097 INFO L106 edCorrectnessWitness]: ghost_update [L703-L703] m_inode_locked = 0; [2024-08-14 06:48:11,097 INFO L106 edCorrectnessWitness]: ghost_update [L694-L694] m_inode_locked = 1; [2024-08-14 06:48:11,097 INFO L106 edCorrectnessWitness]: ghost_update [L707-L707] m_busy_locked = 1; [2024-08-14 06:48:11,097 INFO L106 edCorrectnessWitness]: ghost_update [L698-L698] m_busy_locked = 0; [2024-08-14 06:48:11,097 INFO L106 edCorrectnessWitness]: ghost_update [L696-L696] m_busy_locked = 1; [2024-08-14 06:48:11,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 06:48:11,461 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 06:48:11,474 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 06:48:11,581 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 06:48:11,626 INFO L206 MainTranslator]: Completed translation [2024-08-14 06:48:11,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11 WrapperNode [2024-08-14 06:48:11,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 06:48:11,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 06:48:11,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 06:48:11,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 06:48:11,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,686 INFO L138 Inliner]: procedures = 169, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2024-08-14 06:48:11,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 06:48:11,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 06:48:11,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 06:48:11,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 06:48:11,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,707 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,724 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 06:48:11,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 06:48:11,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 06:48:11,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 06:48:11,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (1/1) ... [2024-08-14 06:48:11,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 06:48:11,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:48:11,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 06:48:11,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 06:48:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2024-08-14 06:48:11,781 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2024-08-14 06:48:11,781 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2024-08-14 06:48:11,781 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2024-08-14 06:48:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-14 06:48:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 06:48:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 06:48:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-14 06:48:11,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 06:48:11,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 06:48:11,783 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 06:48:11,901 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 06:48:11,903 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 06:48:12,091 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 06:48:12,091 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 06:48:12,236 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 06:48:12,236 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 06:48:12,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:48:12 BoogieIcfgContainer [2024-08-14 06:48:12,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 06:48:12,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 06:48:12,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 06:48:12,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 06:48:12,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:48:09" (1/4) ... [2024-08-14 06:48:12,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c913e89 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 06:48:12, skipping insertion in model container [2024-08-14 06:48:12,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 06:48:11" (2/4) ... [2024-08-14 06:48:12,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c913e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 06:48:12, skipping insertion in model container [2024-08-14 06:48:12,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:48:11" (3/4) ... [2024-08-14 06:48:12,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c913e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 06:48:12, skipping insertion in model container [2024-08-14 06:48:12,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:48:12" (4/4) ... [2024-08-14 06:48:12,246 INFO L112 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2024-08-14 06:48:12,262 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 06:48:12,263 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-14 06:48:12,263 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 06:48:12,311 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-14 06:48:12,347 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 06:48:12,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 06:48:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:48:12,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 06:48:12,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 06:48:12,380 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 06:48:12,389 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 06:48:12,395 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=false, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1294c5c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 06:48:12,395 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-08-14 06:48:12,505 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 06:48:12,510 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:48:12,510 INFO L85 PathProgramCache]: Analyzing trace with hash 650188091, now seen corresponding path program 1 times [2024-08-14 06:48:12,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:48:12,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264517329] [2024-08-14 06:48:12,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:48:12,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:48:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:48:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:48:12,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:48:12,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264517329] [2024-08-14 06:48:12,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264517329] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:48:12,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:48:12,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-14 06:48:12,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605675516] [2024-08-14 06:48:12,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:48:12,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 06:48:12,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:48:12,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 06:48:12,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-14 06:48:12,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:12,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:48:12,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2024-08-14 06:48:12,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:13,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 06:48:13,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 06:48:13,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:48:13,115 INFO L85 PathProgramCache]: Analyzing trace with hash 416384017, now seen corresponding path program 1 times [2024-08-14 06:48:13,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:48:13,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407026684] [2024-08-14 06:48:13,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:48:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:48:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:48:13,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:48:13,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:48:13,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407026684] [2024-08-14 06:48:13,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407026684] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:48:13,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:48:13,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 06:48:13,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11179728] [2024-08-14 06:48:13,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:48:13,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-08-14 06:48:13,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:48:13,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-08-14 06:48:13,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-14 06:48:13,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:13,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:48:13,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-08-14 06:48:13,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 06:48:13,445 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 06:48:13,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:48:13,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1675998942, now seen corresponding path program 1 times [2024-08-14 06:48:13,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:48:13,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868358462] [2024-08-14 06:48:13,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:48:13,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:48:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:48:13,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:48:13,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:48:13,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868358462] [2024-08-14 06:48:13,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868358462] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:48:13,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:48:13,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-14 06:48:13,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895080952] [2024-08-14 06:48:13,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:48:13,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 06:48:13,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:48:13,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 06:48:13,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-08-14 06:48:13,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:13,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:48:13,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-08-14 06:48:13,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:48:13,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 06:48:13,717 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-08-14 06:48:13,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:48:13,721 INFO L85 PathProgramCache]: Analyzing trace with hash -378144516, now seen corresponding path program 1 times [2024-08-14 06:48:13,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:48:13,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201739415] [2024-08-14 06:48:13,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:48:13,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:48:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:48:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:48:13,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:48:13,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201739415] [2024-08-14 06:48:13,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201739415] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:48:13,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:48:13,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 06:48:13,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375527331] [2024-08-14 06:48:13,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:48:13,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 06:48:13,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:48:13,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 06:48:13,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 06:48:13,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:13,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:48:13,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:48:13,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:13,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:48:13,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:48:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-14 06:48:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:48:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:48:14,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-08-14 06:48:14,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-08-14 06:48:14,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-08-14 06:48:14,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-08-14 06:48:14,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-08-14 06:48:14,030 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-08-14 06:48:14,033 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 06:48:14,033 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 06:48:14,035 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-14 06:48:14,035 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-14 06:48:14,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 06:48:14 BasicIcfg [2024-08-14 06:48:14,036 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 06:48:14,036 INFO L158 Benchmark]: Toolchain (without parser) took 2998.64ms. Allocated memory is still 186.6MB. Free memory was 113.4MB in the beginning and 130.9MB in the end (delta: -17.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:48:14,036 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:48:14,037 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 186.6MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 194.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:48:14,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.33ms. Allocated memory is still 186.6MB. Free memory was 113.2MB in the beginning and 143.6MB in the end (delta: -30.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2024-08-14 06:48:14,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.20ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 06:48:14,038 INFO L158 Benchmark]: Boogie Preprocessor took 39.77ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 139.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:48:14,038 INFO L158 Benchmark]: RCFGBuilder took 509.06ms. Allocated memory is still 186.6MB. Free memory was 139.4MB in the beginning and 105.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-08-14 06:48:14,038 INFO L158 Benchmark]: TraceAbstraction took 1796.16ms. Allocated memory is still 186.6MB. Free memory was 105.1MB in the beginning and 130.9MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:48:14,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 186.6MB. Free memory was 161.5MB in the beginning and 161.3MB in the end (delta: 194.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.33ms. Allocated memory is still 186.6MB. Free memory was 113.2MB in the beginning and 143.6MB in the end (delta: -30.4MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.20ms. Allocated memory is still 186.6MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.77ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 139.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.06ms. Allocated memory is still 186.6MB. Free memory was 139.4MB in the beginning and 105.9MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1796.16ms. Allocated memory is still 186.6MB. Free memory was 105.1MB in the beginning and 130.9MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1013, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 21, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 464, independent: 431, independent conditional: 2, independent unconditional: 429, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 464, independent: 409, independent conditional: 0, independent unconditional: 409, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 55, independent: 22, independent conditional: 2, independent unconditional: 20, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, independent: 22, independent conditional: 2, independent unconditional: 20, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, independent: 94, independent conditional: 9, independent unconditional: 85, dependent: 113, dependent conditional: 16, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1008, independent: 511, independent conditional: 4, independent unconditional: 507, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 464, unknown conditional: 7, unknown unconditional: 457] , Statistics on independence cache: Total cache size (in pairs): 464, Positive cache size: 431, Positive conditional cache size: 2, Positive unconditional cache size: 429, Negative cache size: 33, Negative conditional cache size: 5, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 3, Independence queries for same thread: 32 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 183, Number of trivial persistent sets: 183, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 454, independent: 426, independent conditional: 0, independent unconditional: 426, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1013, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 71, dependent conditional: 43, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 981, independent: 942, independent conditional: 516, independent unconditional: 426, dependent: 39, dependent conditional: 11, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 21, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1008, independent: 942, independent conditional: 6, independent unconditional: 936, dependent: 66, dependent conditional: 5, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 464, independent: 431, independent conditional: 2, independent unconditional: 429, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 464, independent: 409, independent conditional: 0, independent unconditional: 409, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 55, independent: 22, independent conditional: 2, independent unconditional: 20, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 55, independent: 22, independent conditional: 2, independent unconditional: 20, dependent: 33, dependent conditional: 5, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, independent: 94, independent conditional: 9, independent unconditional: 85, dependent: 113, dependent conditional: 16, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1008, independent: 511, independent conditional: 4, independent unconditional: 507, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 464, unknown conditional: 7, unknown unconditional: 457] , Statistics on independence cache: Total cache size (in pairs): 464, Positive cache size: 431, Positive conditional cache size: 2, Positive unconditional cache size: 429, Negative cache size: 33, Negative conditional cache size: 5, Negative unconditional cache size: 28, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 3, Independence queries for same thread: 32 - PositiveResult [Line: 721]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 722]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 52 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 17, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 295 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 06:48:14,078 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 06:48:14,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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 Result: TRUE