./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/18_read_write_lock.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c091e2ee Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/18_read_write_lock.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 --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.fs.goblint-validation-c091e2e-m [2024-08-14 03:15:24,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 03:15:24,079 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 03:15:24,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 03:15:24,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 03:15:24,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 03:15:24,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 03:15:24,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 03:15:24,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 03:15:24,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 03:15:24,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 03:15:24,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 03:15:24,116 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 03:15:24,116 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 03:15:24,116 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 03:15:24,116 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 03:15:24,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 03:15:24,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 03:15:24,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 03:15:24,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 03:15:24,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 03:15:24,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 03:15:24,118 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 03:15:24,119 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 03:15:24,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 03:15:24,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 03:15:24,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 03:15:24,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 03:15:24,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 03:15:24,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 03:15:24,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:15:24,121 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 03:15:24,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 03:15:24,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 03:15:24,121 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 03:15:24,122 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 03:15:24,122 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 03:15:24,122 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 03:15:24,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 03:15:24,122 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 03:15:24,123 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 03:15:24,123 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 03:15:24,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-14 03:15:24,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 03:15:24,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 03:15:24,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 03:15:24,348 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 03:15:24,348 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 03:15:24,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/18_read_write_lock.yml/witness.yml [2024-08-14 03:15:24,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 03:15:24,446 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 03:15:24,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2024-08-14 03:15:25,713 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 03:15:25,925 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 03:15:25,926 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i [2024-08-14 03:15:25,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7219fb4a0/9c75e007a196484daa361d46ce40fbaf/FLAG94f56e079 [2024-08-14 03:15:26,274 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7219fb4a0/9c75e007a196484daa361d46ce40fbaf [2024-08-14 03:15:26,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 03:15:26,276 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 03:15:26,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 03:15:26,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 03:15:26,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 03:15:26,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:15:24" (1/2) ... [2024-08-14 03:15:26,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f5186f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:26, skipping insertion in model container [2024-08-14 03:15:26,282 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:15:24" (1/2) ... [2024-08-14 03:15:26,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42b83e3a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 03:15:26, skipping insertion in model container [2024-08-14 03:15:26,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:15:26" (2/2) ... [2024-08-14 03:15:26,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f5186f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26, skipping insertion in model container [2024-08-14 03:15:26,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:15:26" (2/2) ... [2024-08-14 03:15:26,284 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-14 03:15:26,305 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 03:15:26,306 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 03:15:26,306 INFO L106 edCorrectnessWitness]: ghost_update [L750-L750] multithreaded = 1; [2024-08-14 03:15:26,338 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 03:15:26,590 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174] [2024-08-14 03:15:26,597 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:15:26,606 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-14 03:15:26,677 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/18_read_write_lock.i[31161,31174] Start Parsing Local [2024-08-14 03:15:26,680 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 03:15:26,708 INFO L206 MainTranslator]: Completed translation [2024-08-14 03:15:26,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26 WrapperNode [2024-08-14 03:15:26,708 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 03:15:26,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 03:15:26,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 03:15:26,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 03:15:26,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,742 INFO L138 Inliner]: procedures = 172, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-08-14 03:15:26,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 03:15:26,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 03:15:26,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 03:15:26,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 03:15:26,753 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,763 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 03:15:26,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 03:15:26,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 03:15:26,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 03:15:26,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (1/1) ... [2024-08-14 03:15:26,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 03:15:26,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:15:26,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 03:15:26,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 03:15:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-08-14 03:15:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-08-14 03:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-14 03:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 03:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 03:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-14 03:15:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 03:15:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 03:15:26,832 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 03:15:26,935 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 03:15:26,937 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 03:15:27,019 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 03:15:27,019 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 03:15:27,102 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 03:15:27,102 INFO L320 CfgBuilder]: Removed 0 assume(true) statements. [2024-08-14 03:15:27,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:15:27 BoogieIcfgContainer [2024-08-14 03:15:27,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 03:15:27,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 03:15:27,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 03:15:27,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 03:15:27,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 03:15:24" (1/4) ... [2024-08-14 03:15:27,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440b9307 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 03:15:27, skipping insertion in model container [2024-08-14 03:15:27,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 03:15:26" (2/4) ... [2024-08-14 03:15:27,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440b9307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 03:15:27, skipping insertion in model container [2024-08-14 03:15:27,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:15:26" (3/4) ... [2024-08-14 03:15:27,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440b9307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 03:15:27, skipping insertion in model container [2024-08-14 03:15:27,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:15:27" (4/4) ... [2024-08-14 03:15:27,116 INFO L112 eAbstractionObserver]: Analyzing ICFG 18_read_write_lock.i [2024-08-14 03:15:27,129 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 03:15:27,129 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-08-14 03:15:27,129 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 03:15:27,149 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-08-14 03:15:27,179 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:15:27,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 03:15:27,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 03:15:27,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 03:15:27,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 03:15:27,207 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 03:15:27,218 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 03:15:27,223 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;@7a6ff69c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 03:15:27,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-14 03:15:27,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:15:27,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:27,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1160542932, now seen corresponding path program 1 times [2024-08-14 03:15:27,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:27,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793939661] [2024-08-14 03:15:27,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:27,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:27,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:27,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793939661] [2024-08-14 03:15:27,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793939661] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:27,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:27,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-08-14 03:15:27,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936761258] [2024-08-14 03:15:27,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:27,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-14 03:15:27,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:27,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-14 03:15:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-08-14 03:15:27,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:27,624 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:27,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:15:27,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:15:27,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 03:15:27,725 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:15:27,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:27,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1029086394, now seen corresponding path program 2 times [2024-08-14 03:15:27,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:27,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940836027] [2024-08-14 03:15:27,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:27,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:27,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:27,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940836027] [2024-08-14 03:15:27,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940836027] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:27,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:27,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 03:15:27,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550426150] [2024-08-14 03:15:27,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:27,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 03:15:27,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:27,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 03:15:27,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 03:15:27,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:27,803 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:27,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:15:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:15:27,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:27,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:15:27,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:15:27,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 03:15:27,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-08-14 03:15:27,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 03:15:27,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1945544076, now seen corresponding path program 3 times [2024-08-14 03:15:27,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 03:15:27,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401649959] [2024-08-14 03:15:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 03:15:27,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 03:15:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 03:15:27,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 03:15:27,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 03:15:27,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401649959] [2024-08-14 03:15:27,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401649959] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 03:15:27,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 03:15:27,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 03:15:27,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118186387] [2024-08-14 03:15:27,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 03:15:27,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 03:15:27,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 03:15:27,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 03:15:27,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 03:15:27,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:27,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 03:15:27,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 03:15:27,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:15:27,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:15:27,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 03:15:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 03:15:27,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 03:15:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 03:15:27,917 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-08-14 03:15:27,918 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-14 03:15:27,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 03:15:27,924 INFO L445 BasicCegarLoop]: Path program histogram: [3] [2024-08-14 03:15:27,928 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 03:15:27,928 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 03:15:27,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 03:15:27 BasicIcfg [2024-08-14 03:15:27,930 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 03:15:27,931 INFO L158 Benchmark]: Toolchain (without parser) took 1655.32ms. Allocated memory is still 182.5MB. Free memory was 151.7MB in the beginning and 103.5MB in the end (delta: 48.2MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-08-14 03:15:27,931 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 136.3MB. Free memory was 102.4MB in the beginning and 102.4MB in the end (delta: 57.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:15:27,931 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 136.3MB. Free memory was 108.5MB in the beginning and 108.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:15:27,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.88ms. Allocated memory is still 182.5MB. Free memory was 151.5MB in the beginning and 128.5MB in the end (delta: 23.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-08-14 03:15:27,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.15ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 126.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 03:15:27,932 INFO L158 Benchmark]: Boogie Preprocessor took 33.68ms. Allocated memory is still 182.5MB. Free memory was 126.5MB in the beginning and 125.7MB in the end (delta: 836.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:15:27,933 INFO L158 Benchmark]: RCFGBuilder took 329.28ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 106.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-08-14 03:15:27,933 INFO L158 Benchmark]: TraceAbstraction took 821.74ms. Allocated memory is still 182.5MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 03:15:27,934 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 136.3MB. Free memory was 102.4MB in the beginning and 102.4MB in the end (delta: 57.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.67ms. Allocated memory is still 136.3MB. Free memory was 108.5MB in the beginning and 108.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.88ms. Allocated memory is still 182.5MB. Free memory was 151.5MB in the beginning and 128.5MB in the end (delta: 23.0MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.15ms. Allocated memory is still 182.5MB. Free memory was 128.5MB in the beginning and 126.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.68ms. Allocated memory is still 182.5MB. Free memory was 126.5MB in the beginning and 125.7MB in the end (delta: 836.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.28ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 106.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 821.74ms. Allocated memory is still 182.5MB. Free memory was 105.5MB in the beginning and 103.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 161, independent: 151, independent conditional: 63, independent unconditional: 88, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 161, independent: 151, independent conditional: 63, independent unconditional: 88, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 161, independent: 151, independent conditional: 63, independent unconditional: 88, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, independent: 151, independent conditional: 1, independent unconditional: 150, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166, independent: 151, independent conditional: 1, independent unconditional: 150, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, independent: 151, independent conditional: 1, independent unconditional: 150, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 97, independent: 89, independent conditional: 1, independent unconditional: 88, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 97, independent: 86, independent conditional: 0, independent unconditional: 86, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 35, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 97, unknown conditional: 2, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 89, Positive conditional cache size: 1, Positive unconditional cache size: 88, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 2, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 43, Number of trivial persistent sets: 43, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 161, independent: 151, independent conditional: 63, independent unconditional: 88, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 161, independent: 151, independent conditional: 63, independent unconditional: 88, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 161, independent: 151, independent conditional: 63, independent unconditional: 88, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 166, independent: 151, independent conditional: 1, independent unconditional: 150, dependent: 15, dependent conditional: 4, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 166, independent: 151, independent conditional: 1, independent unconditional: 150, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 166, independent: 151, independent conditional: 1, independent unconditional: 150, dependent: 15, dependent conditional: 2, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 97, independent: 89, independent conditional: 1, independent unconditional: 88, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 97, independent: 86, independent conditional: 0, independent unconditional: 86, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 8, dependent conditional: 1, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, independent: 9, independent conditional: 4, independent unconditional: 5, dependent: 35, dependent conditional: 4, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 166, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 97, unknown conditional: 2, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 97, Positive cache size: 89, Positive conditional cache size: 1, Positive unconditional cache size: 88, Negative cache size: 8, Negative conditional cache size: 1, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 2, Independence queries for same thread: 0 - PositiveResult [Line: 738]: 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 3 procedures, 29 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.2s, 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: 14, 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, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-14 03:15:27,961 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-14 03:15:28,163 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