./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/lamport.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/mutex-meet-nonrel/lamport.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-atomic/lamport.i ./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/lamport.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 22:34:15,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-07-22 22:34:15,277 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-07-22 22:34:15,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-07-22 22:34:15,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-07-22 22:34:15,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-07-22 22:34:15,305 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-07-22 22:34:15,306 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-07-22 22:34:15,306 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-07-22 22:34:15,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-07-22 22:34:15,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-07-22 22:34:15,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-07-22 22:34:15,309 INFO L153 SettingsManager]: * Use SBE=true [2024-07-22 22:34:15,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-07-22 22:34:15,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-07-22 22:34:15,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-07-22 22:34:15,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-07-22 22:34:15,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-07-22 22:34:15,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-07-22 22:34:15,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-07-22 22:34:15,310 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-07-22 22:34:15,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-07-22 22:34:15,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-07-22 22:34:15,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-07-22 22:34:15,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-07-22 22:34:15,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-07-22 22:34:15,313 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-07-22 22:34:15,313 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-07-22 22:34:15,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-07-22 22:34:15,314 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-07-22 22:34:15,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:34:15,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-07-22 22:34:15,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-07-22 22:34:15,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-07-22 22:34:15,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-07-22 22:34:15,315 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-07-22 22:34:15,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-07-22 22:34:15,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-07-22 22:34:15,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-07-22 22:34:15,316 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-07-22 22:34:15,316 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-07-22 22:34:15,317 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-07-22 22:34:15,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2024-07-22 22:34:15,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-07-22 22:34:15,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-07-22 22:34:15,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-07-22 22:34:15,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-07-22 22:34:15,556 INFO L274 PluginConnector]: CDTParser initialized [2024-07-22 22:34:15,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/lamport.i [2024-07-22 22:34:16,587 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-07-22 22:34:16,830 INFO L384 CDTParser]: Found 1 translation units. [2024-07-22 22:34:16,830 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/lamport.i [2024-07-22 22:34:16,839 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ee304e78e/8ba44b996c5f453b986994a284bc5dda/FLAG343a0634d [2024-07-22 22:34:16,850 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ee304e78e/8ba44b996c5f453b986994a284bc5dda [2024-07-22 22:34:16,852 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-07-22 22:34:16,852 INFO L274 PluginConnector]: Witness Parser initialized [2024-07-22 22:34:16,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-06-19_11-23-25.files/mutex-meet-nonrel/lamport.yml/witness.yml [2024-07-22 22:34:16,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-07-22 22:34:16,943 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-07-22 22:34:16,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-07-22 22:34:16,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-07-22 22:34:16,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-07-22 22:34:16,948 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:34:16" (1/2) ... [2024-07-22 22:34:16,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c87c277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:16, skipping insertion in model container [2024-07-22 22:34:16,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 10:34:16" (1/2) ... [2024-07-22 22:34:16,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a17ebc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 10:34:16, skipping insertion in model container [2024-07-22 22:34:16,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:34:16" (2/2) ... [2024-07-22 22:34:16,952 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c87c277 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:34:16, skipping insertion in model container [2024-07-22 22:34:16,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:34:16" (2/2) ... [2024-07-22 22:34:16,953 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-07-22 22:34:16,984 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-07-22 22:34:16,985 INFO L97 edCorrectnessWitness]: Location invariant before [L847-L847] (((((! multithreaded || (b1 == 0 || b1 == 1)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || ((((b1 == 0 || b1 == 1) && (b2 == 0 || b2 == 1)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)))) && (! multithreaded || (b2 == 0 || b2 == 1))) && (! multithreaded || ((x == 0 || x == 1) || x == 2))) && (! multithreaded || (X == 0 || X == 1)) [2024-07-22 22:34:16,985 INFO L97 edCorrectnessWitness]: Location invariant before [L846-L846] (((((! multithreaded || (b1 == 0 || b1 == 1)) && (! multithreaded || ((y == 0 || y == 1) || y == 2))) && (! multithreaded || ((((b1 == 0 || b1 == 1) && (b2 == 0 || b2 == 1)) && ((x == 0 || x == 1) || x == 2)) && ((y == 0 || y == 1) || y == 2)))) && (! multithreaded || (b2 == 0 || b2 == 1))) && (! multithreaded || ((x == 0 || x == 1) || x == 2))) && (! multithreaded || (X == 0 || X == 1)) [2024-07-22 22:34:16,985 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-07-22 22:34:16,985 INFO L106 edCorrectnessWitness]: ghost_update [L845-L845] multithreaded = 1; [2024-07-22 22:34:17,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-07-22 22:34:17,305 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:34:17,312 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-07-22 22:34:17,407 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-07-22 22:34:17,436 INFO L206 MainTranslator]: Completed translation [2024-07-22 22:34:17,437 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.07 10:34:17 WrapperNode [2024-07-22 22:34:17,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-07-22 22:34:17,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-07-22 22:34:17,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-07-22 22:34:17,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-07-22 22:34:17,443 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,468 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,496 INFO L138 Inliner]: procedures = 169, calls = 74, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 198 [2024-07-22 22:34:17,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-07-22 22:34:17,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-07-22 22:34:17,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-07-22 22:34:17,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-07-22 22:34:17,505 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,505 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,514 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,515 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,526 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,534 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,535 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,540 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-07-22 22:34:17,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-07-22 22:34:17,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-07-22 22:34:17,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-07-22 22:34:17,546 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 10:34:17" (1/1) ... [2024-07-22 22:34:17,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-07-22 22:34:17,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:34:17,578 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 22:34:17,596 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 22:34:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-07-22 22:34:17,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-07-22 22:34:17,617 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-07-22 22:34:17,618 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-07-22 22:34:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-07-22 22:34:17,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-07-22 22:34:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-07-22 22:34:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-07-22 22:34:17,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-07-22 22:34:17,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-07-22 22:34:17,620 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 22:34:17,736 INFO L244 CfgBuilder]: Building ICFG [2024-07-22 22:34:17,738 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-07-22 22:34:17,893 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-07-22 22:34:17,893 INFO L293 CfgBuilder]: Performing block encoding [2024-07-22 22:34:17,937 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-07-22 22:34:17,938 INFO L320 CfgBuilder]: Removed 8 assume(true) statements. [2024-07-22 22:34:17,938 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:34:17 BoogieIcfgContainer [2024-07-22 22:34:17,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-07-22 22:34:17,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-07-22 22:34:17,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-07-22 22:34:17,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-07-22 22:34:17,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 10:34:16" (1/4) ... [2024-07-22 22:34:17,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cd4978 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 10:34:17, skipping insertion in model container [2024-07-22 22:34:17,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.07 10:34:16" (2/4) ... [2024-07-22 22:34:17,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cd4978 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:34:17, skipping insertion in model container [2024-07-22 22:34:17,943 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 10:34:17" (3/4) ... [2024-07-22 22:34:17,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33cd4978 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.07 10:34:17, skipping insertion in model container [2024-07-22 22:34:17,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 10:34:17" (4/4) ... [2024-07-22 22:34:17,944 INFO L112 eAbstractionObserver]: Analyzing ICFG lamport.i [2024-07-22 22:34:17,956 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-07-22 22:34:17,957 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-07-22 22:34:17,957 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-07-22 22:34:18,000 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-07-22 22:34:18,032 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:34:18,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-07-22 22:34:18,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-07-22 22:34:18,037 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 22:34:18,046 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 22:34:18,066 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-07-22 22:34:18,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-07-22 22:34:18,080 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;@db8502f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-07-22 22:34:18,080 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-07-22 22:34:18,185 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 22:34:18,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:18,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1986155766, now seen corresponding path program 1 times [2024-07-22 22:34:18,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:18,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513117554] [2024-07-22 22:34:18,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:18,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:18,541 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 22:34:18,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:18,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513117554] [2024-07-22 22:34:18,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513117554] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:18,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:18,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-07-22 22:34:18,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232165855] [2024-07-22 22:34:18,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:18,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-07-22 22:34:18,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:18,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-07-22 22:34:18,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-07-22 22:34:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:18,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:18,567 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 22:34:18,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:19,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:19,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-07-22 22:34:19,211 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 22:34:19,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:19,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1913515497, now seen corresponding path program 1 times [2024-07-22 22:34:19,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:19,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368501194] [2024-07-22 22:34:19,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:19,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:19,307 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 22:34:19,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:19,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368501194] [2024-07-22 22:34:19,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368501194] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:19,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:19,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 22:34:19,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477982455] [2024-07-22 22:34:19,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:19,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-07-22 22:34:19,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:19,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-07-22 22:34:19,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-07-22 22:34:19,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:19,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:19,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 22:34:19,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:19,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:19,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:19,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:19,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-07-22 22:34:19,484 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 22:34:19,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:19,485 INFO L85 PathProgramCache]: Analyzing trace with hash -457250999, now seen corresponding path program 1 times [2024-07-22 22:34:19,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:19,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859108541] [2024-07-22 22:34:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:19,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:19,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-07-22 22:34:19,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:19,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859108541] [2024-07-22 22:34:19,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859108541] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:19,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:19,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-07-22 22:34:19,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60586452] [2024-07-22 22:34:19,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:19,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 22:34:19,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:19,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 22:34:19,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 22:34:19,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:19,521 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:19,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 22:34:19,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:19,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:19,522 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:19,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:19,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-07-22 22:34:19,805 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 22:34:19,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:19,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1014814430, now seen corresponding path program 1 times [2024-07-22 22:34:19,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:19,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621815] [2024-07-22 22:34:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:19,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:19,866 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 22:34:19,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:19,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621815] [2024-07-22 22:34:19,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621815] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:19,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:19,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-07-22 22:34:19,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011131593] [2024-07-22 22:34:19,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:19,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-07-22 22:34:19,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:19,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-07-22 22:34:19,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-07-22 22:34:19,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:19,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:19,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 22:34:19,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:19,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:19,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:19,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:20,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-07-22 22:34:20,141 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-07-22 22:34:20,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-07-22 22:34:20,143 INFO L85 PathProgramCache]: Analyzing trace with hash -699893769, now seen corresponding path program 1 times [2024-07-22 22:34:20,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-07-22 22:34:20,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948329308] [2024-07-22 22:34:20,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-07-22 22:34:20,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-07-22 22:34:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-07-22 22:34:20,271 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 22:34:20,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-07-22 22:34:20,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948329308] [2024-07-22 22:34:20,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948329308] provided 1 perfect and 0 imperfect interpolant sequences [2024-07-22 22:34:20,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-07-22 22:34:20,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-07-22 22:34:20,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491080976] [2024-07-22 22:34:20,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-07-22 22:34:20,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-07-22 22:34:20,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-07-22 22:34:20,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-07-22 22:34:20,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-07-22 22:34:20,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:20,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-07-22 22:34:20,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 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 22:34:20,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:20,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-07-22 22:34:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-07-22 22:34:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-07-22 22:34:20,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-07-22 22:34:20,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining) [2024-07-22 22:34:20,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining) [2024-07-22 22:34:20,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-07-22 22:34:20,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-07-22 22:34:20,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-07-22 22:34:20,652 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-07-22 22:34:20,653 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-07-22 22:34:20,653 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-07-22 22:34:20,655 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-07-22 22:34:20,655 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-07-22 22:34:20,656 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 10:34:20 BasicIcfg [2024-07-22 22:34:20,656 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-07-22 22:34:20,656 INFO L158 Benchmark]: Toolchain (without parser) took 3713.49ms. Allocated memory was 161.5MB in the beginning and 285.2MB in the end (delta: 123.7MB). Free memory was 126.0MB in the beginning and 220.9MB in the end (delta: -95.0MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. [2024-07-22 22:34:20,657 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory was 126.3MB in the beginning and 126.2MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:34:20,657 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-07-22 22:34:20,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.24ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 98.6MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-07-22 22:34:20,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.88ms. Allocated memory is still 161.5MB. Free memory was 98.6MB in the beginning and 96.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:34:20,658 INFO L158 Benchmark]: Boogie Preprocessor took 47.10ms. Allocated memory is still 161.5MB. Free memory was 96.6MB in the beginning and 94.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-07-22 22:34:20,658 INFO L158 Benchmark]: RCFGBuilder took 393.17ms. Allocated memory is still 161.5MB. Free memory was 94.5MB in the beginning and 71.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-07-22 22:34:20,658 INFO L158 Benchmark]: TraceAbstraction took 2716.47ms. Allocated memory was 161.5MB in the beginning and 285.2MB in the end (delta: 123.7MB). Free memory was 70.2MB in the beginning and 220.9MB in the end (delta: -150.7MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. [2024-07-22 22:34:20,659 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 161.5MB. Free memory was 126.3MB in the beginning and 126.2MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 161.5MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.24ms. Allocated memory is still 161.5MB. Free memory was 125.6MB in the beginning and 98.6MB in the end (delta: 26.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.88ms. Allocated memory is still 161.5MB. Free memory was 98.6MB in the beginning and 96.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.10ms. Allocated memory is still 161.5MB. Free memory was 96.6MB in the beginning and 94.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.17ms. Allocated memory is still 161.5MB. Free memory was 94.5MB in the beginning and 71.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2716.47ms. Allocated memory was 161.5MB in the beginning and 285.2MB in the end (delta: 123.7MB). Free memory was 70.2MB in the beginning and 220.9MB in the end (delta: -150.7MB). Peak memory consumption was 114.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 71520, independent: 61498, independent conditional: 56353, independent unconditional: 5145, dependent: 10022, dependent conditional: 9878, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66855, independent: 61498, independent conditional: 56353, independent unconditional: 5145, dependent: 5357, dependent conditional: 5213, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 66855, independent: 61498, independent conditional: 56353, independent unconditional: 5145, dependent: 5357, dependent conditional: 5213, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74695, independent: 61498, independent conditional: 717, independent unconditional: 60781, dependent: 13197, dependent conditional: 7123, dependent unconditional: 6074, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74695, independent: 61498, independent conditional: 717, independent unconditional: 60781, dependent: 13197, dependent conditional: 2377, dependent unconditional: 10820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74695, independent: 61498, independent conditional: 717, independent unconditional: 60781, dependent: 13197, dependent conditional: 2377, dependent unconditional: 10820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3544, independent: 3302, independent conditional: 43, independent unconditional: 3259, dependent: 242, dependent conditional: 98, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3544, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 313, dependent conditional: 0, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 313, independent: 71, independent conditional: 43, independent unconditional: 28, dependent: 242, dependent conditional: 98, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 313, independent: 71, independent conditional: 43, independent unconditional: 28, dependent: 242, dependent conditional: 98, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 580, independent: 198, independent conditional: 93, independent unconditional: 105, dependent: 381, dependent conditional: 179, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 74695, independent: 58196, independent conditional: 674, independent unconditional: 57522, dependent: 12955, dependent conditional: 2279, dependent unconditional: 10676, unknown: 3544, unknown conditional: 141, unknown unconditional: 3403] , Statistics on independence cache: Total cache size (in pairs): 3544, Positive cache size: 3302, Positive conditional cache size: 43, Positive unconditional cache size: 3259, Negative cache size: 242, Negative conditional cache size: 98, Negative unconditional cache size: 144, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4746, Maximal queried relation: 4, Independence queries for same thread: 4665 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.5s, Number of persistent set computation: 1464, Number of trivial persistent sets: 1390, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5289, independent: 5145, independent conditional: 0, independent unconditional: 5145, dependent: 144, dependent conditional: 0, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 71520, independent: 61498, independent conditional: 56353, independent unconditional: 5145, dependent: 10022, dependent conditional: 9878, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66855, independent: 61498, independent conditional: 56353, independent unconditional: 5145, dependent: 5357, dependent conditional: 5213, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 66855, independent: 61498, independent conditional: 56353, independent unconditional: 5145, dependent: 5357, dependent conditional: 5213, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 74695, independent: 61498, independent conditional: 717, independent unconditional: 60781, dependent: 13197, dependent conditional: 7123, dependent unconditional: 6074, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 74695, independent: 61498, independent conditional: 717, independent unconditional: 60781, dependent: 13197, dependent conditional: 2377, dependent unconditional: 10820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 74695, independent: 61498, independent conditional: 717, independent unconditional: 60781, dependent: 13197, dependent conditional: 2377, dependent unconditional: 10820, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3544, independent: 3302, independent conditional: 43, independent unconditional: 3259, dependent: 242, dependent conditional: 98, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3544, independent: 3231, independent conditional: 0, independent unconditional: 3231, dependent: 313, dependent conditional: 0, dependent unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 313, independent: 71, independent conditional: 43, independent unconditional: 28, dependent: 242, dependent conditional: 98, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 313, independent: 71, independent conditional: 43, independent unconditional: 28, dependent: 242, dependent conditional: 98, dependent unconditional: 144, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 580, independent: 198, independent conditional: 93, independent unconditional: 105, dependent: 381, dependent conditional: 179, dependent unconditional: 202, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 74695, independent: 58196, independent conditional: 674, independent unconditional: 57522, dependent: 12955, dependent conditional: 2279, dependent unconditional: 10676, unknown: 3544, unknown conditional: 141, unknown unconditional: 3403] , Statistics on independence cache: Total cache size (in pairs): 3544, Positive cache size: 3302, Positive conditional cache size: 43, Positive unconditional cache size: 3259, Negative cache size: 242, Negative conditional cache size: 98, Negative unconditional cache size: 144, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4746, Maximal queried relation: 4, Independence queries for same thread: 4665 - PositiveResult [Line: 846]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 847]: 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, 128 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.8s, 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: 25, 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 489 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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 22:34:20,680 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 22:34:20,883 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