./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-misc-2-unrolled-atomic.wvr.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da67795f 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/weaver/parallel-misc-2-unrolled-atomic.wvr.c ./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-misc-2-unrolled-atomic.wvr.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-eval-da67795-m [2024-08-27 04:00:17,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-27 04:00:17,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-27 04:00:17,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-27 04:00:17,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-27 04:00:17,996 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-27 04:00:17,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-27 04:00:17,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-27 04:00:17,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-27 04:00:17,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-27 04:00:17,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-27 04:00:17,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-27 04:00:17,999 INFO L153 SettingsManager]: * Use SBE=true [2024-08-27 04:00:18,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-27 04:00:18,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-27 04:00:18,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-27 04:00:18,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-27 04:00:18,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-27 04:00:18,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-27 04:00:18,002 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-27 04:00:18,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-27 04:00:18,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-27 04:00:18,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-27 04:00:18,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-27 04:00:18,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-27 04:00:18,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-27 04:00:18,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-27 04:00:18,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-27 04:00:18,006 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-27 04:00:18,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-27 04:00:18,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:00:18,007 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-27 04:00:18,007 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-27 04:00:18,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-27 04:00:18,008 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-27 04:00:18,008 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-27 04:00:18,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-27 04:00:18,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-27 04:00:18,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-27 04:00:18,010 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-27 04:00:18,010 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-27 04:00:18,013 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-27 04:00:18,013 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-27 04:00:18,256 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-27 04:00:18,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-27 04:00:18,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-27 04:00:18,284 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-27 04:00:18,284 INFO L274 PluginConnector]: CDTParser initialized [2024-08-27 04:00:18,285 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-08-27 04:00:19,728 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-27 04:00:19,920 INFO L384 CDTParser]: Found 1 translation units. [2024-08-27 04:00:19,921 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c [2024-08-27 04:00:19,929 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/31939813c/7edd2d7bb23f4008a903525a5f421211/FLAG67b0c3378 [2024-08-27 04:00:20,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/31939813c/7edd2d7bb23f4008a903525a5f421211 [2024-08-27 04:00:20,314 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-27 04:00:20,314 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-27 04:00:20,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-20_10-08-36.files/mutex-meet-ghost/parallel-misc-2-unrolled-atomic.wvr.yml/witness.yml [2024-08-27 04:00:20,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-27 04:00:20,379 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-27 04:00:20,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-27 04:00:20,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-27 04:00:20,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-27 04:00:20,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:00:20" (1/2) ... [2024-08-27 04:00:20,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237948a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:20, skipping insertion in model container [2024-08-27 04:00:20,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 04:00:20" (1/2) ... [2024-08-27 04:00:20,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3809a273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 04:00:20, skipping insertion in model container [2024-08-27 04:00:20,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:00:20" (2/2) ... [2024-08-27 04:00:20,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@237948a9 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20, skipping insertion in model container [2024-08-27 04:00:20,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:00:20" (2/2) ... [2024-08-27 04:00:20,395 INFO L85 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-27 04:00:20,408 INFO L99 nessWitnessExtractor]: Found the following entries in the witness: [2024-08-27 04:00:20,410 INFO L1541 ArrayList]: Location invariant before [L79-L79] ! multithreaded || (((((((((4294967294LL + (long long )i1) + (long long )i2 >= 0LL && (4294967294LL + (long long )i2) + (long long )pos >= 0LL) && (4294967294LL + (long long )N) + (long long )pos >= 0LL) && (4294967294LL + (long long )N) + (long long )i2 >= 0LL) && (4294967293LL - (long long )N) + (long long )pos >= 0LL) && (4294967293LL - (long long )N) + (long long )i2 >= 0LL) && (4294967293LL + (long long )i2) - (long long )pos >= 0LL) && (4294967293LL + (long long )N) - (long long )pos >= 0LL) && (4294967292LL - (long long )N) - (long long )pos >= 0LL) [2024-08-27 04:00:20,410 INFO L1541 ArrayList]: Location invariant before [L80-L80] ! multithreaded || (((((((((4294967294LL + (long long )i1) + (long long )i2 >= 0LL && (4294967294LL + (long long )i2) + (long long )pos >= 0LL) && (4294967294LL + (long long )N) + (long long )pos >= 0LL) && (4294967294LL + (long long )N) + (long long )i2 >= 0LL) && (4294967293LL - (long long )N) + (long long )pos >= 0LL) && (4294967293LL - (long long )N) + (long long )i2 >= 0LL) && (4294967293LL + (long long )i2) - (long long )pos >= 0LL) && (4294967293LL + (long long )N) - (long long )pos >= 0LL) && (4294967292LL - (long long )N) - (long long )pos >= 0LL) [2024-08-27 04:00:20,410 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-08-27 04:00:20,411 INFO L1541 ArrayList]: ghost_update [L78-L78] multithreaded = 1; [2024-08-27 04:00:20,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-27 04:00:20,589 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2278,2291] [2024-08-27 04:00:20,594 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:00:20,603 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-27 04:00:20,674 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-2-unrolled-atomic.wvr.c[2278,2291] [2024-08-27 04:00:20,675 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-27 04:00:20,698 INFO L206 MainTranslator]: Completed translation [2024-08-27 04:00:20,700 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20 WrapperNode [2024-08-27 04:00:20,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-27 04:00:20,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-27 04:00:20,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-27 04:00:20,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-27 04:00:20,708 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 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,719 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 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,747 INFO L138 Inliner]: procedures = 19, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-08-27 04:00:20,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-27 04:00:20,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-27 04:00:20,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-27 04:00:20,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-27 04:00:20,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,779 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-27 04:00:20,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-27 04:00:20,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-27 04:00:20,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-27 04:00:20,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (1/1) ... [2024-08-27 04:00:20,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-27 04:00:20,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:20,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-27 04:00:20,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-27 04:00:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-27 04:00:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-27 04:00:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-27 04:00:20,871 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-27 04:00:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-27 04:00:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-27 04:00:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-27 04:00:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-27 04:00:20,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-27 04:00:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-27 04:00:20,874 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-27 04:00:20,954 INFO L242 CfgBuilder]: Building ICFG [2024-08-27 04:00:20,956 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-27 04:00:21,193 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-27 04:00:21,193 INFO L291 CfgBuilder]: Performing block encoding [2024-08-27 04:00:21,402 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-27 04:00:21,403 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-08-27 04:00:21,403 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:21 BoogieIcfgContainer [2024-08-27 04:00:21,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-27 04:00:21,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-27 04:00:21,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-27 04:00:21,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-27 04:00:21,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 04:00:20" (1/4) ... [2024-08-27 04:00:21,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528bbb61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 04:00:21, skipping insertion in model container [2024-08-27 04:00:21,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 27.08 04:00:20" (2/4) ... [2024-08-27 04:00:21,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528bbb61 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:00:21, skipping insertion in model container [2024-08-27 04:00:21,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 27.08 04:00:20" (3/4) ... [2024-08-27 04:00:21,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528bbb61 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 27.08 04:00:21, skipping insertion in model container [2024-08-27 04:00:21,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 04:00:21" (4/4) ... [2024-08-27 04:00:21,416 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-2-unrolled-atomic.wvr.c [2024-08-27 04:00:21,433 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-27 04:00:21,434 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-27 04:00:21,434 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-27 04:00:21,477 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-27 04:00:21,525 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:00:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-27 04:00:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:21,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-27 04:00:21,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-27 04:00:21,571 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-27 04:00:21,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-27 04:00:21,592 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;@1463c6a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-27 04:00:21,593 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-27 04:00:21,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-27 04:00:21,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:21,704 INFO L85 PathProgramCache]: Analyzing trace with hash 739068, now seen corresponding path program 1 times [2024-08-27 04:00:21,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:21,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384449353] [2024-08-27 04:00:21,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:21,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:22,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:22,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384449353] [2024-08-27 04:00:22,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384449353] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:22,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:22,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-27 04:00:22,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575997267] [2024-08-27 04:00:22,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:22,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 04:00:22,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:22,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 04:00:22,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 04:00:22,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:22,252 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:22,253 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) [2024-08-27 04:00:22,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:22,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:22,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-27 04:00:22,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-27 04:00:22,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:22,354 INFO L85 PathProgramCache]: Analyzing trace with hash 2124424412, now seen corresponding path program 1 times [2024-08-27 04:00:22,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:22,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624600300] [2024-08-27 04:00:22,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:22,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:22,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:22,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:22,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624600300] [2024-08-27 04:00:22,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624600300] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:22,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:22,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-27 04:00:22,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922690453] [2024-08-27 04:00:22,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:22,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-27 04:00:22,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:22,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-27 04:00:22,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-27 04:00:22,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:22,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:22,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:22,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:22,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:22,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:22,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:22,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-27 04:00:22,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-27 04:00:22,592 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:22,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1225856736, now seen corresponding path program 1 times [2024-08-27 04:00:22,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:22,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935763090] [2024-08-27 04:00:22,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:22,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-27 04:00:22,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:22,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935763090] [2024-08-27 04:00:22,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935763090] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:22,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015818173] [2024-08-27 04:00:22,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:22,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:22,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:22,746 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) [2024-08-27 04:00:22,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-27 04:00:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:22,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2024-08-27 04:00:22,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:22,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:23,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-27 04:00:23,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015818173] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:23,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:23,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 10 [2024-08-27 04:00:23,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893735103] [2024-08-27 04:00:23,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:23,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-08-27 04:00:23,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:23,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-08-27 04:00:23,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-08-27 04:00:23,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:23,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:23,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.181818181818182) internal successors, (57), 10 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:23,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:23,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:23,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-08-27 04:00:23,558 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,SelfDestructingSolverStorable2 [2024-08-27 04:00:23,559 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-27 04:00:23,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:23,560 INFO L85 PathProgramCache]: Analyzing trace with hash 679612472, now seen corresponding path program 2 times [2024-08-27 04:00:23,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:23,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512197700] [2024-08-27 04:00:23,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:23,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:23,696 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-27 04:00:23,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:23,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512197700] [2024-08-27 04:00:23,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512197700] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-27 04:00:23,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877195444] [2024-08-27 04:00:23,697 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-27 04:00:23,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:23,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-27 04:00:23,699 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-27 04:00:23,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-27 04:00:23,763 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-27 04:00:23,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-27 04:00:23,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2024-08-27 04:00:23,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-27 04:00:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-27 04:00:23,952 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-27 04:00:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-27 04:00:24,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877195444] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-27 04:00:24,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-27 04:00:24,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 4] total 12 [2024-08-27 04:00:24,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377985732] [2024-08-27 04:00:24,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-27 04:00:24,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-08-27 04:00:24,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:24,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-08-27 04:00:24,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-08-27 04:00:24,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:24,056 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:24,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-27 04:00:24,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:24,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:24,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:24,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:24,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:24,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-08-27 04:00:24,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-27 04:00:24,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-27 04:00:24,523 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-27 04:00:24,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-27 04:00:24,523 INFO L85 PathProgramCache]: Analyzing trace with hash -558728614, now seen corresponding path program 3 times [2024-08-27 04:00:24,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-27 04:00:24,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069977214] [2024-08-27 04:00:24,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-27 04:00:24,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-27 04:00:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-27 04:00:24,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-08-27 04:00:24,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-27 04:00:24,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069977214] [2024-08-27 04:00:24,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069977214] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-27 04:00:24,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-27 04:00:24,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-08-27 04:00:24,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476460004] [2024-08-27 04:00:24,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-27 04:00:24,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-27 04:00:24,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-27 04:00:24,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-27 04:00:24,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-27 04:00:24,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:24,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-27 04:00:24,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 2 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) [2024-08-27 04:00:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-08-27 04:00:24,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-27 04:00:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-27 04:00:24,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-08-27 04:00:24,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-08-27 04:00:24,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-27 04:00:24,978 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-08-27 04:00:24,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-08-27 04:00:25,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-08-27 04:00:25,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-08-27 04:00:25,003 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-08-27 04:00:25,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-08-27 04:00:25,011 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-08-27 04:00:25,015 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-27 04:00:25,016 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-27 04:00:25,019 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-27 04:00:25,020 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-27 04:00:25,020 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 04:00:25 BasicIcfg [2024-08-27 04:00:25,022 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-27 04:00:25,023 INFO L158 Benchmark]: Toolchain (without parser) took 4643.10ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 105.9MB in the beginning and 192.5MB in the end (delta: -86.6MB). Peak memory consumption was 86.5MB. Max. memory is 16.1GB. [2024-08-27 04:00:25,023 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 04:00:25,023 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 04:00:25,024 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.60ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 91.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-08-27 04:00:25,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.83ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-27 04:00:25,025 INFO L158 Benchmark]: Boogie Preprocessor took 37.34ms. Allocated memory is still 176.2MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-27 04:00:25,026 INFO L158 Benchmark]: RCFGBuilder took 617.36ms. Allocated memory is still 176.2MB. Free memory was 88.1MB in the beginning and 128.3MB in the end (delta: -40.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-08-27 04:00:25,027 INFO L158 Benchmark]: TraceAbstraction took 3615.80ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 127.4MB in the beginning and 192.5MB in the end (delta: -65.1MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. [2024-08-27 04:00:25,028 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 176.2MB. Free memory is still 140.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.60ms. Allocated memory is still 176.2MB. Free memory was 105.7MB in the beginning and 91.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.83ms. Allocated memory is still 176.2MB. Free memory was 91.0MB in the beginning and 89.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.34ms. Allocated memory is still 176.2MB. Free memory was 89.3MB in the beginning and 88.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 617.36ms. Allocated memory is still 176.2MB. Free memory was 88.1MB in the beginning and 128.3MB in the end (delta: -40.2MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3615.80ms. Allocated memory was 176.2MB in the beginning and 226.5MB in the end (delta: 50.3MB). Free memory was 127.4MB in the beginning and 192.5MB in the end (delta: -65.1MB). Peak memory consumption was 108.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1462, independent: 1239, independent conditional: 1004, independent unconditional: 235, dependent: 223, dependent conditional: 214, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1248, independent: 1239, independent conditional: 1004, independent unconditional: 235, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1248, independent: 1239, independent conditional: 1004, independent unconditional: 235, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1410, independent: 1239, independent conditional: 44, independent unconditional: 1195, dependent: 171, dependent conditional: 118, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1410, independent: 1239, independent conditional: 44, independent unconditional: 1195, dependent: 171, dependent conditional: 118, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1410, independent: 1239, independent conditional: 44, independent unconditional: 1195, dependent: 171, dependent conditional: 118, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 261, independent: 225, independent conditional: 10, independent unconditional: 215, dependent: 36, dependent conditional: 27, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 261, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 17, independent conditional: 10, independent unconditional: 7, dependent: 36, dependent conditional: 27, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 17, independent conditional: 10, independent unconditional: 7, dependent: 36, dependent conditional: 27, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 96, independent conditional: 30, independent unconditional: 66, dependent: 117, dependent conditional: 83, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1410, independent: 1014, independent conditional: 34, independent unconditional: 980, dependent: 135, dependent conditional: 91, dependent unconditional: 44, unknown: 261, unknown conditional: 37, unknown unconditional: 224] , Statistics on independence cache: Total cache size (in pairs): 261, Positive cache size: 225, Positive conditional cache size: 10, Positive unconditional cache size: 215, Negative cache size: 36, Negative conditional cache size: 27, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 5, Independence queries for same thread: 214 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 80, Number of trivial persistent sets: 72, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244, independent: 235, independent conditional: 0, independent unconditional: 235, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1462, independent: 1239, independent conditional: 1004, independent unconditional: 235, dependent: 223, dependent conditional: 214, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1248, independent: 1239, independent conditional: 1004, independent unconditional: 235, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1248, independent: 1239, independent conditional: 1004, independent unconditional: 235, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1410, independent: 1239, independent conditional: 44, independent unconditional: 1195, dependent: 171, dependent conditional: 118, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1410, independent: 1239, independent conditional: 44, independent unconditional: 1195, dependent: 171, dependent conditional: 118, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1410, independent: 1239, independent conditional: 44, independent unconditional: 1195, dependent: 171, dependent conditional: 118, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 261, independent: 225, independent conditional: 10, independent unconditional: 215, dependent: 36, dependent conditional: 27, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 261, independent: 208, independent conditional: 0, independent unconditional: 208, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 17, independent conditional: 10, independent unconditional: 7, dependent: 36, dependent conditional: 27, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 17, independent conditional: 10, independent unconditional: 7, dependent: 36, dependent conditional: 27, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 96, independent conditional: 30, independent unconditional: 66, dependent: 117, dependent conditional: 83, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1410, independent: 1014, independent conditional: 34, independent unconditional: 980, dependent: 135, dependent conditional: 91, dependent unconditional: 44, unknown: 261, unknown conditional: 37, unknown unconditional: 224] , Statistics on independence cache: Total cache size (in pairs): 261, Positive cache size: 225, Positive conditional cache size: 10, Positive unconditional cache size: 215, Negative cache size: 36, Negative conditional cache size: 27, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 5, Independence queries for same thread: 214 - PositiveResult [Line: 79]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 80]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 84]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 35 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.1s, 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: 44, 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 1073 SizeOfPredicates, 10 NumberOfNonLiveVariables, 230 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 54/73 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-27 04:00:25,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-27 04:00:25,267 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