./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-06-19_11-23-25.files/protection/arithmetic_prog_bad.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2cc22fce 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-deagle/arithmetic_prog_bad.i ./goblint.2024-06-19_11-23-25.files/protection/arithmetic_prog_bad.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-2cc22fc-m [2024-07-22 16:27:57,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 16:27:57,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 16:27:57,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 16:27:57,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 16:27:57,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 16:27:57,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 16:27:57,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 16:27:57,283 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 16:27:57,283 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 16:27:57,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 16:27:57,284 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 16:27:57,284 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 16:27:57,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 16:27:57,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 16:27:57,285 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 16:27:57,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 16:27:57,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 16:27:57,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 16:27:57,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 16:27:57,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 16:27:57,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 16:27:57,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 16:27:57,287 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 16:27:57,287 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 16:27:57,287 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 16:27:57,287 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 16:27:57,288 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 16:27:57,288 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 16:27:57,288 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 16:27:57,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 16:27:57,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 16:27:57,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 16:27:57,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 16:27:57,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 16:27:57,289 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 16:27:57,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 16:27:57,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 16:27:57,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 16:27:57,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 16:27:57,290 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 16:27:57,290 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 16:27:57,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 16:27:57,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 16:27:57,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 16:27:57,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 16:27:57,487 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 16:27:57,487 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 16:27:57,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-07-22 16:27:58,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 16:27:58,679 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 16:27:58,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_bad.i [2024-07-22 16:27:58,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/28303d02b/912060bb32954006b559b2c4c4f0dbb5/FLAG29fd591c2 [2024-07-22 16:27:58,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/28303d02b/912060bb32954006b559b2c4c4f0dbb5 [2024-07-22 16:27:58,702 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 16:27:58,703 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 16:27:58,703 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/protection/arithmetic_prog_bad.yml/witness.yml [2024-07-22 16:27:58,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 16:27:58,773 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 16:27:58,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 16:27:58,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 16:27:58,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 16:27:58,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 04:27:58" (1/2) ... [2024-07-22 16:27:58,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b9e23e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:27:58, skipping insertion in model container [2024-07-22 16:27:58,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 04:27:58" (1/2) ... [2024-07-22 16:27:58,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@651cf0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 04:27:58, skipping insertion in model container [2024-07-22 16:27:58,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 04:27:58" (2/2) ... [2024-07-22 16:27:58,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23b9e23e and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:58, skipping insertion in model container [2024-07-22 16:27:58,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 04:27:58" (2/2) ... [2024-07-22 16:27:58,781 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 16:27:58,811 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 16:27:58,812 INFO L97 edCorrectnessWitness]: Location invariant before [L914-L914] (! multithreaded || (flag == 0 || flag == 1)) && (! multithreaded || (0 <= num && num <= 1)) [2024-07-22 16:27:58,812 INFO L97 edCorrectnessWitness]: Location invariant before [L915-L915] (! multithreaded || (flag == 0 || flag == 1)) && (! multithreaded || (0 <= num && num <= 1)) [2024-07-22 16:27:58,813 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-07-22 16:27:58,813 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 16:27:58,813 INFO L106 edCorrectnessWitness]: ghost_update [L879-L879] m_locked = 1; [2024-07-22 16:27:58,813 INFO L106 edCorrectnessWitness]: ghost_update [L893-L893] m_locked = 1; [2024-07-22 16:27:58,814 INFO L106 edCorrectnessWitness]: ghost_update [L895-L895] m_locked = 1; [2024-07-22 16:27:58,814 INFO L106 edCorrectnessWitness]: ghost_update [L895-L895] m_locked = 0; [2024-07-22 16:27:58,814 INFO L106 edCorrectnessWitness]: ghost_update [L913-L913] multithreaded = 1; [2024-07-22 16:27:58,814 INFO L106 edCorrectnessWitness]: ghost_update [L898-L898] m_locked = 0; [2024-07-22 16:27:58,814 INFO L106 edCorrectnessWitness]: ghost_update [L881-L881] m_locked = 0; [2024-07-22 16:27:58,814 INFO L106 edCorrectnessWitness]: ghost_update [L881-L881] m_locked = 1; [2024-07-22 16:27:58,814 INFO L106 edCorrectnessWitness]: ghost_update [L883-L883] m_locked = 0; [2024-07-22 16:27:58,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 16:27:59,094 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 16:27:59,104 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 Start Parsing Local [2024-07-22 16:27:59,174 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 16:27:59,209 INFO L206 MainTranslator]: Completed translation [2024-07-22 16:27:59,209 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59 WrapperNode [2024-07-22 16:27:59,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 16:27:59,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 16:27:59,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 16:27:59,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 16:27:59,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,248 INFO L138 Inliner]: procedures = 243, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-07-22 16:27:59,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 16:27:59,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 16:27:59,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 16:27:59,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 16:27:59,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,257 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,265 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,266 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,267 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,269 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 16:27:59,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 16:27:59,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 16:27:59,270 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 16:27:59,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (1/1) ... [2024-07-22 16:27:59,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 16:27:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:27:59,291 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) [2024-07-22 16:27:59,292 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 [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-07-22 16:27:59,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-07-22 16:27:59,315 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 16:27:59,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 16:27:59,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 16:27:59,317 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-07-22 16:27:59,423 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 16:27:59,425 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 16:27:59,603 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 16:27:59,603 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 16:27:59,754 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 16:27:59,755 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-07-22 16:27:59,755 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 04:27:59 BoogieIcfgContainer [2024-07-22 16:27:59,755 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 16:27:59,758 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 16:27:59,758 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 16:27:59,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 16:27:59,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 04:27:58" (1/4) ... [2024-07-22 16:27:59,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f61a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 04:27:59, skipping insertion in model container [2024-07-22 16:27:59,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 04:27:58" (2/4) ... [2024-07-22 16:27:59,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f61a36 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 04:27:59, skipping insertion in model container [2024-07-22 16:27:59,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 04:27:59" (3/4) ... [2024-07-22 16:27:59,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41f61a36 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 04:27:59, skipping insertion in model container [2024-07-22 16:27:59,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 04:27:59" (4/4) ... [2024-07-22 16:27:59,765 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_bad.i [2024-07-22 16:27:59,778 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 16:27:59,778 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-22 16:27:59,778 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 16:27:59,830 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-22 16:27:59,857 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 16:27:59,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 16:27:59,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:27:59,859 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) [2024-07-22 16:27:59,871 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 [2024-07-22 16:27:59,891 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 16:27:59,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 16:27:59,905 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;@2ed4341e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 16:27:59,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-22 16:28:00,026 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)] === [2024-07-22 16:28:00,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:28:00,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1522230250, now seen corresponding path program 1 times [2024-07-22 16:28:00,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:28:00,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272769636] [2024-07-22 16:28:00,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:28:00,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:28:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:28:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:28:00,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:28:00,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272769636] [2024-07-22 16:28:00,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272769636] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 16:28:00,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 16:28:00,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 16:28:00,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771315651] [2024-07-22 16:28:00,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 16:28:00,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 16:28:00,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:28:00,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 16:28:00,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 16:28:00,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:28:00,349 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:28:00,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-07-22 16:28:00,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:28:00,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:28:00,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 16:28:00,623 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 16:28:00,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 16:28:00,624 INFO L85 PathProgramCache]: Analyzing trace with hash -621744075, now seen corresponding path program 1 times [2024-07-22 16:28:00,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 16:28:00,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151401455] [2024-07-22 16:28:00,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:28:00,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 16:28:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:28:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:28:00,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 16:28:00,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151401455] [2024-07-22 16:28:00,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151401455] provided 0 perfect and 1 imperfect interpolant sequences [2024-07-22 16:28:00,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080142208] [2024-07-22 16:28:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 16:28:00,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-07-22 16:28:00,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 16:28:00,757 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-07-22 16:28:00,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-07-22 16:28:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 16:28:00,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 3 conjunts are in the unsatisfiable core [2024-07-22 16:28:00,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-07-22 16:28:00,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 16:28:00,938 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-07-22 16:28:00,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080142208] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 16:28:00,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-07-22 16:28:00,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-07-22 16:28:00,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610285845] [2024-07-22 16:28:00,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 16:28:00,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 16:28:00,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 16:28:00,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 16:28:00,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-07-22 16:28:00,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:28:00,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 16:28:00,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-07-22 16:28:00,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:28:00,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 16:28:01,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 16:28:01,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-07-22 16:28:01,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-22 16:28:01,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-22 16:28:01,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-22 16:28:01,066 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-22 16:28:01,094 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-07-22 16:28:01,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-07-22 16:28:01,273 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2024-07-22 16:28:01,275 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 16:28:01,275 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 16:28:01,281 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-22 16:28:01,281 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-22 16:28:01,282 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 04:28:01 BasicIcfg [2024-07-22 16:28:01,282 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 16:28:01,283 INFO L158 Benchmark]: Toolchain (without parser) took 2510.10ms. Allocated memory was 174.1MB in the beginning and 222.3MB in the end (delta: 48.2MB). Free memory was 137.5MB in the beginning and 159.9MB in the end (delta: -22.4MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2024-07-22 16:28:01,283 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 16:28:01,283 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 16:28:01,284 INFO L158 Benchmark]: CACSL2BoogieTranslator took 436.42ms. Allocated memory is still 174.1MB. Free memory was 137.5MB in the beginning and 102.9MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-07-22 16:28:01,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.23ms. Allocated memory is still 174.1MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 16:28:01,288 INFO L158 Benchmark]: Boogie Preprocessor took 20.33ms. Allocated memory is still 174.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 16:28:01,290 INFO L158 Benchmark]: RCFGBuilder took 485.48ms. Allocated memory is still 174.1MB. Free memory was 98.7MB in the beginning and 52.3MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-07-22 16:28:01,290 INFO L158 Benchmark]: TraceAbstraction took 1524.31ms. Allocated memory was 174.1MB in the beginning and 222.3MB in the end (delta: 48.2MB). Free memory was 51.5MB in the beginning and 159.9MB in the end (delta: -108.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 16:28:01,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 121.6MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 141.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 436.42ms. Allocated memory is still 174.1MB. Free memory was 137.5MB in the beginning and 102.9MB in the end (delta: 34.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.23ms. Allocated memory is still 174.1MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.33ms. Allocated memory is still 174.1MB. Free memory was 100.8MB in the beginning and 98.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.48ms. Allocated memory is still 174.1MB. Free memory was 98.7MB in the beginning and 52.3MB in the end (delta: 46.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1524.31ms. Allocated memory was 174.1MB in the beginning and 222.3MB in the end (delta: 48.2MB). Free memory was 51.5MB in the beginning and 159.9MB in the end (delta: -108.4MB). 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: 4093, independent: 3550, independent conditional: 2871, independent unconditional: 679, dependent: 543, dependent conditional: 511, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3808, independent: 3550, independent conditional: 2871, independent unconditional: 679, dependent: 258, dependent conditional: 226, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3808, independent: 3550, independent conditional: 2871, independent unconditional: 679, dependent: 258, dependent conditional: 226, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4095, independent: 3550, independent conditional: 53, independent unconditional: 3497, dependent: 545, dependent conditional: 234, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4095, independent: 3550, independent conditional: 53, independent unconditional: 3497, dependent: 545, dependent conditional: 95, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4095, independent: 3550, independent conditional: 53, independent unconditional: 3497, dependent: 545, dependent conditional: 95, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 604, independent: 558, independent conditional: 6, independent unconditional: 552, dependent: 46, dependent conditional: 11, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 604, independent: 533, independent conditional: 0, independent unconditional: 533, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 71, independent: 25, independent conditional: 6, independent unconditional: 19, dependent: 46, dependent conditional: 11, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 25, independent conditional: 6, independent unconditional: 19, dependent: 46, dependent conditional: 11, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 87, independent conditional: 14, independent unconditional: 73, dependent: 94, dependent conditional: 22, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4095, independent: 2992, independent conditional: 47, independent unconditional: 2945, dependent: 499, dependent conditional: 84, dependent unconditional: 415, unknown: 604, unknown conditional: 17, unknown unconditional: 587] , Statistics on independence cache: Total cache size (in pairs): 604, Positive cache size: 558, Positive conditional cache size: 6, Positive unconditional cache size: 552, Negative cache size: 46, Negative conditional cache size: 11, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 139, Maximal queried relation: 2, Independence queries for same thread: 285 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 203, Number of trivial persistent sets: 195, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 711, independent: 679, independent conditional: 0, independent unconditional: 679, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4093, independent: 3550, independent conditional: 2871, independent unconditional: 679, dependent: 543, dependent conditional: 511, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3808, independent: 3550, independent conditional: 2871, independent unconditional: 679, dependent: 258, dependent conditional: 226, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3808, independent: 3550, independent conditional: 2871, independent unconditional: 679, dependent: 258, dependent conditional: 226, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4095, independent: 3550, independent conditional: 53, independent unconditional: 3497, dependent: 545, dependent conditional: 234, dependent unconditional: 311, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4095, independent: 3550, independent conditional: 53, independent unconditional: 3497, dependent: 545, dependent conditional: 95, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4095, independent: 3550, independent conditional: 53, independent unconditional: 3497, dependent: 545, dependent conditional: 95, dependent unconditional: 450, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 604, independent: 558, independent conditional: 6, independent unconditional: 552, dependent: 46, dependent conditional: 11, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 604, independent: 533, independent conditional: 0, independent unconditional: 533, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 71, independent: 25, independent conditional: 6, independent unconditional: 19, dependent: 46, dependent conditional: 11, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 25, independent conditional: 6, independent unconditional: 19, dependent: 46, dependent conditional: 11, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 87, independent conditional: 14, independent unconditional: 73, dependent: 94, dependent conditional: 22, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4095, independent: 2992, independent conditional: 47, independent unconditional: 2945, dependent: 499, dependent conditional: 84, dependent unconditional: 415, unknown: 604, unknown conditional: 17, unknown unconditional: 587] , Statistics on independence cache: Total cache size (in pairs): 604, Positive cache size: 558, Positive conditional cache size: 6, Positive unconditional cache size: 552, Negative cache size: 46, Negative conditional cache size: 11, Negative unconditional cache size: 35, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 139, Maximal queried relation: 2, Independence queries for same thread: 285 - PositiveResult [Line: 914]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 915]: 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, 56 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 7, 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, 0.3s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 SizeOfPredicates, 0 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 4/8 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! [2024-07-22 16:28:01,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-07-22 16:28:01,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/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