./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-08-08_07-59-58.files/protection-ghost/arithmetic_prog_ok.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-deagle/arithmetic_prog_ok.i ./goblint.2024-08-08_07-59-58.files/protection-ghost/arithmetic_prog_ok.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.fs.goblint-validation-c091e2e-m [2024-08-14 06:32:50,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-14 06:32:50,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-14 06:32:50,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-14 06:32:50,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-14 06:32:50,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-14 06:32:50,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-14 06:32:50,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-14 06:32:50,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-14 06:32:50,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-14 06:32:50,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-14 06:32:50,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-14 06:32:50,988 INFO L153 SettingsManager]: * Use SBE=true [2024-08-14 06:32:50,990 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-14 06:32:50,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-14 06:32:50,990 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-14 06:32:50,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-14 06:32:50,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-14 06:32:50,991 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-14 06:32:50,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-14 06:32:50,992 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-14 06:32:50,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-14 06:32:50,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-14 06:32:50,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-14 06:32:50,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-14 06:32:50,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-14 06:32:50,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-14 06:32:50,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-14 06:32:50,996 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-14 06:32:50,996 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-14 06:32:50,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 06:32:50,997 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-14 06:32:50,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-14 06:32:50,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-14 06:32:50,997 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-14 06:32:50,997 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-14 06:32:50,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-14 06:32:50,998 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-14 06:32:50,998 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-14 06:32:50,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-14 06:32:50,999 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-14 06:32:51,001 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-14 06:32:51,002 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-08-14 06:32:51,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-14 06:32:51,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-14 06:32:51,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-14 06:32:51,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-14 06:32:51,275 INFO L274 PluginConnector]: CDTParser initialized [2024-08-14 06:32:51,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-08-14 06:32:52,642 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-14 06:32:52,882 INFO L384 CDTParser]: Found 1 translation units. [2024-08-14 06:32:52,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-08-14 06:32:52,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/57c609365/df6b5ec82dc840f688f201167d66dfa0/FLAG6dd7905a1 [2024-08-14 06:32:52,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/57c609365/df6b5ec82dc840f688f201167d66dfa0 [2024-08-14 06:32:52,931 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-14 06:32:52,932 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-14 06:32:52,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/protection-ghost/arithmetic_prog_ok.yml/witness.yml [2024-08-14 06:32:53,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-14 06:32:53,054 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-14 06:32:53,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-14 06:32:53,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-14 06:32:53,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-14 06:32:53,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:32:52" (1/2) ... [2024-08-14 06:32:53,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5156556f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:32:53, skipping insertion in model container [2024-08-14 06:32:53,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 06:32:52" (1/2) ... [2024-08-14 06:32:53,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25a04a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 06:32:53, skipping insertion in model container [2024-08-14 06:32:53,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:32:53" (2/2) ... [2024-08-14 06:32:53,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5156556f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53, skipping insertion in model container [2024-08-14 06:32:53,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:32:53" (2/2) ... [2024-08-14 06:32:53,067 INFO L83 nessWitnessExtractor]: Extracting all invariants from correctness witness [2024-08-14 06:32:53,118 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-14 06:32:53,119 INFO L97 edCorrectnessWitness]: Location invariant before [L914-L914] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-08-14 06:32:53,120 INFO L97 edCorrectnessWitness]: Location invariant before [L915-L915] (! multithreaded || (0 <= num && num <= 1)) && (! multithreaded || (flag == 0 || flag == 1)) [2024-08-14 06:32:53,120 INFO L103 edCorrectnessWitness]: ghost_variable m_locked = 0 [2024-08-14 06:32:53,120 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-14 06:32:53,120 INFO L106 edCorrectnessWitness]: ghost_update [L913-L913] multithreaded = 1; [2024-08-14 06:32:53,120 INFO L106 edCorrectnessWitness]: ghost_update [L881-L881] m_locked = 1; [2024-08-14 06:32:53,121 INFO L106 edCorrectnessWitness]: ghost_update [L881-L881] m_locked = 0; [2024-08-14 06:32:53,121 INFO L106 edCorrectnessWitness]: ghost_update [L883-L883] m_locked = 0; [2024-08-14 06:32:53,122 INFO L106 edCorrectnessWitness]: ghost_update [L893-L893] m_locked = 1; [2024-08-14 06:32:53,122 INFO L106 edCorrectnessWitness]: ghost_update [L898-L898] m_locked = 0; [2024-08-14 06:32:53,122 INFO L106 edCorrectnessWitness]: ghost_update [L879-L879] m_locked = 1; [2024-08-14 06:32:53,122 INFO L106 edCorrectnessWitness]: ghost_update [L895-L895] m_locked = 1; [2024-08-14 06:32:53,123 INFO L106 edCorrectnessWitness]: ghost_update [L895-L895] m_locked = 0; [2024-08-14 06:32:53,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-14 06:32:53,516 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-deagle/arithmetic_prog_ok.i[39757,39770] [2024-08-14 06:32:53,523 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 06:32:53,539 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-08-14 06:32:53,673 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-deagle/arithmetic_prog_ok.i[39757,39770] [2024-08-14 06:32:53,674 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-14 06:32:53,750 INFO L206 MainTranslator]: Completed translation [2024-08-14 06:32:53,751 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53 WrapperNode [2024-08-14 06:32:53,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-14 06:32:53,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-14 06:32:53,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-14 06:32:53,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-14 06:32:53,759 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 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,781 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 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,807 INFO L138 Inliner]: procedures = 243, calls = 26, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2024-08-14 06:32:53,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-14 06:32:53,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-14 06:32:53,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-14 06:32:53,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-14 06:32:53,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,841 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,845 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,846 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-14 06:32:53,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-14 06:32:53,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-14 06:32:53,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-14 06:32:53,854 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (1/1) ... [2024-08-14 06:32:53,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-14 06:32:53,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:32:53,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-08-14 06:32:53,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-08-14 06:32:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-08-14 06:32:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-08-14 06:32:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-08-14 06:32:53,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-08-14 06:32:53,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-08-14 06:32:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-08-14 06:32:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-08-14 06:32:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-14 06:32:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-14 06:32:53,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-14 06:32:53,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-14 06:32:53,929 WARN L214 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-08-14 06:32:54,089 INFO L244 CfgBuilder]: Building ICFG [2024-08-14 06:32:54,091 INFO L270 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-14 06:32:54,329 INFO L289 CfgBuilder]: Ommited future-live optimization because the input is a concurrent program. [2024-08-14 06:32:54,333 INFO L293 CfgBuilder]: Performing block encoding [2024-08-14 06:32:54,509 INFO L315 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-14 06:32:54,510 INFO L320 CfgBuilder]: Removed 4 assume(true) statements. [2024-08-14 06:32:54,510 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:32:54 BoogieIcfgContainer [2024-08-14 06:32:54,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-14 06:32:54,512 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-14 06:32:54,512 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-14 06:32:54,516 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-14 06:32:54,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.08 06:32:52" (1/4) ... [2024-08-14 06:32:54,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dc5b0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.08 06:32:54, skipping insertion in model container [2024-08-14 06:32:54,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 14.08 06:32:53" (2/4) ... [2024-08-14 06:32:54,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dc5b0a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 06:32:54, skipping insertion in model container [2024-08-14 06:32:54,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 14.08 06:32:53" (3/4) ... [2024-08-14 06:32:54,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dc5b0a and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 14.08 06:32:54, skipping insertion in model container [2024-08-14 06:32:54,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 06:32:54" (4/4) ... [2024-08-14 06:32:54,521 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-08-14 06:32:54,538 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-14 06:32:54,538 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-08-14 06:32:54,538 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-14 06:32:54,587 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-14 06:32:54,634 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 06:32:54,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-14 06:32:54,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:32:54,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-14 06:32:54,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-08-14 06:32:54,666 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-14 06:32:54,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-14 06:32:54,682 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;@2db6b046, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-14 06:32:54,682 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-08-14 06:32:54,769 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)] === [2024-08-14 06:32:54,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:54,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1823605941, now seen corresponding path program 1 times [2024-08-14 06:32:54,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:54,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970793335] [2024-08-14 06:32:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:54,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:32:55,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:55,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970793335] [2024-08-14 06:32:55,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970793335] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:32:55,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:32:55,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-08-14 06:32:55,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92823952] [2024-08-14 06:32:55,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:32:55,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 06:32:55,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:32:55,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 06:32:55,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 06:32:55,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:55,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:32:55,146 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) [2024-08-14 06:32:55,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:55,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:55,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-14 06:32:55,387 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)] === [2024-08-14 06:32:55,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:55,388 INFO L85 PathProgramCache]: Analyzing trace with hash 125954063, now seen corresponding path program 1 times [2024-08-14 06:32:55,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:55,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090640221] [2024-08-14 06:32:55,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:55,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:55,628 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-08-14 06:32:55,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:55,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090640221] [2024-08-14 06:32:55,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090640221] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:32:55,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:32:55,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 06:32:55,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049713488] [2024-08-14 06:32:55,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:32:55,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 06:32:55,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:32:55,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 06:32:55,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-14 06:32:55,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:55,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:32:55,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:32:55,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:55,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:55,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-14 06:32:55,806 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)] === [2024-08-14 06:32:55,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:55,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1747954576, now seen corresponding path program 2 times [2024-08-14 06:32:55,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:55,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158601105] [2024-08-14 06:32:55,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:55,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:56,061 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-08-14 06:32:56,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:56,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158601105] [2024-08-14 06:32:56,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158601105] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:32:56,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-14 06:32:56,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-14 06:32:56,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407154081] [2024-08-14 06:32:56,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:32:56,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-14 06:32:56,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:32:56,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-14 06:32:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-08-14 06:32:56,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:56,068 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:32:56,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:32:56,068 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:56,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:56,069 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:56,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:56,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:56,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-14 06:32:56,171 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)] === [2024-08-14 06:32:56,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:56,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1591844522, now seen corresponding path program 1 times [2024-08-14 06:32:56,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:56,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559257682] [2024-08-14 06:32:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-08-14 06:32:56,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:56,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559257682] [2024-08-14 06:32:56,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559257682] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 06:32:56,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557251322] [2024-08-14 06:32:56,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:56,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:56,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:32:56,320 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) [2024-08-14 06:32:56,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-14 06:32:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:56,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 4 conjunts are in the unsatisfiable core [2024-08-14 06:32:56,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 06:32:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-08-14 06:32:56,566 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 06:32:56,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557251322] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:32:56,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 06:32:56,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-08-14 06:32:56,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604671516] [2024-08-14 06:32:56,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:32:56,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 06:32:56,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:32:56,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 06:32:56,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-08-14 06:32:56,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:56,570 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:32:56,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:32:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:56,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:56,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:56,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:56,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-14 06:32:56,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:56,856 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)] === [2024-08-14 06:32:56,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:56,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1384959826, now seen corresponding path program 3 times [2024-08-14 06:32:56,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:56,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780139136] [2024-08-14 06:32:56,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:56,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-08-14 06:32:57,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:57,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780139136] [2024-08-14 06:32:57,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780139136] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 06:32:57,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438665296] [2024-08-14 06:32:57,051 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-08-14 06:32:57,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:57,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:32:57,053 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) [2024-08-14 06:32:57,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-14 06:32:57,216 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-08-14 06:32:57,217 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 06:32:57,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjunts are in the unsatisfiable core [2024-08-14 06:32:57,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 06:32:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-08-14 06:32:57,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 06:32:57,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438665296] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:32:57,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 06:32:57,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-08-14 06:32:57,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854729502] [2024-08-14 06:32:57,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:32:57,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-14 06:32:57,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:32:57,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-14 06:32:57,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-08-14 06:32:57,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:57,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:32:57,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:32:57,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:57,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:57,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:57,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:57,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:57,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:57,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:57,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-08-14 06:32:57,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:57,565 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 06:32:57,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash -649343792, now seen corresponding path program 2 times [2024-08-14 06:32:57,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:57,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190851237] [2024-08-14 06:32:57,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:57,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:57,699 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 35 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-14 06:32:57,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:57,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190851237] [2024-08-14 06:32:57,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190851237] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 06:32:57,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755099070] [2024-08-14 06:32:57,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 06:32:57,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:57,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:32:57,705 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 06:32:57,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-14 06:32:57,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 06:32:57,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 06:32:57,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 5 conjunts are in the unsatisfiable core [2024-08-14 06:32:57,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 06:32:57,989 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-14 06:32:57,990 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 06:32:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-08-14 06:32:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755099070] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 06:32:58,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 06:32:58,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-08-14 06:32:58,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502825254] [2024-08-14 06:32:58,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 06:32:58,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-08-14 06:32:58,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:32:58,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-08-14 06:32:58,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-08-14 06:32:58,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:58,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:32:58,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:32:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:58,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:58,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 06:32:58,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-14 06:32:58,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:58,506 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 06:32:58,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1306394960, now seen corresponding path program 1 times [2024-08-14 06:32:58,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:58,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130563969] [2024-08-14 06:32:58,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:58,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:58,675 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 77 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:32:58,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:58,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130563969] [2024-08-14 06:32:58,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130563969] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 06:32:58,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691382578] [2024-08-14 06:32:58,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:58,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:58,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:32:58,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 06:32:58,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-08-14 06:32:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:58,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 6 conjunts are in the unsatisfiable core [2024-08-14 06:32:58,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 06:32:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:32:58,910 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-14 06:32:58,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691382578] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-14 06:32:58,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-14 06:32:58,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-08-14 06:32:58,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406674194] [2024-08-14 06:32:58,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-14 06:32:58,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-08-14 06:32:58,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:32:58,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-08-14 06:32:58,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-08-14 06:32:58,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:58,912 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:32:58,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 7 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:32:58,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:58,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:58,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:58,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 06:32:58,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:32:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:32:59,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:32:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 06:32:59,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 06:32:59,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-08-14 06:32:59,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-08-14 06:32:59,259 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-08-14 06:32:59,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-14 06:32:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1572214960, now seen corresponding path program 2 times [2024-08-14 06:32:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-14 06:32:59,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017320260] [2024-08-14 06:32:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-14 06:32:59,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-14 06:32:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-14 06:32:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:32:59,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-14 06:32:59,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017320260] [2024-08-14 06:32:59,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017320260] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-14 06:32:59,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1426775816] [2024-08-14 06:32:59,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-08-14 06:32:59,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:32:59,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-14 06:32:59,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-14 06:32:59,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-08-14 06:32:59,909 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-08-14 06:32:59,909 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-08-14 06:32:59,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 23 conjunts are in the unsatisfiable core [2024-08-14 06:32:59,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-14 06:33:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:33:00,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-14 06:33:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-08-14 06:33:00,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1426775816] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-14 06:33:00,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-14 06:33:00,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 30 [2024-08-14 06:33:00,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051473302] [2024-08-14 06:33:00,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-14 06:33:00,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-08-14 06:33:00,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-14 06:33:00,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-08-14 06:33:00,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=840, Unknown=0, NotChecked=0, Total=930 [2024-08-14 06:33:00,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:33:00,682 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-14 06:33:00,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.548387096774194) internal successors, (172), 30 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-08-14 06:33:00,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:33:00,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:33:00,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:33:00,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:33:00,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:33:00,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-08-14 06:33:00,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-08-14 06:33:00,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-14 06:33:02,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:33:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:33:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-14 06:33:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:33:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-08-14 06:33:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-08-14 06:33:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-08-14 06:33:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-08-14 06:33:02,011 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (4 of 5 remaining) [2024-08-14 06:33:02,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 5 remaining) [2024-08-14 06:33:02,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-08-14 06:33:02,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-08-14 06:33:02,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-08-14 06:33:02,029 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-08-14 06:33:02,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-14 06:33:02,219 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1] [2024-08-14 06:33:02,222 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-14 06:33:02,222 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-14 06:33:02,225 INFO L507 ceAbstractionStarter]: Automizer considered 2 witness invariants [2024-08-14 06:33:02,225 INFO L508 ceAbstractionStarter]: WitnessConsidered=2 [2024-08-14 06:33:02,227 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.08 06:33:02 BasicIcfg [2024-08-14 06:33:02,227 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-14 06:33:02,228 INFO L158 Benchmark]: Toolchain (without parser) took 9174.22ms. Allocated memory was 209.7MB in the beginning and 297.8MB in the end (delta: 88.1MB). Free memory was 134.8MB in the beginning and 105.0MB in the end (delta: 29.8MB). Peak memory consumption was 120.7MB. Max. memory is 16.1GB. [2024-08-14 06:33:02,228 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:33:02,228 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 209.7MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-14 06:33:02,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 695.85ms. Allocated memory is still 209.7MB. Free memory was 134.4MB in the beginning and 166.2MB in the end (delta: -31.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-08-14 06:33:02,230 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.64ms. Allocated memory is still 209.7MB. Free memory was 166.2MB in the beginning and 164.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 06:33:02,231 INFO L158 Benchmark]: Boogie Preprocessor took 42.84ms. Allocated memory is still 209.7MB. Free memory was 164.1MB in the beginning and 162.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-14 06:33:02,231 INFO L158 Benchmark]: RCFGBuilder took 656.70ms. Allocated memory is still 209.7MB. Free memory was 162.0MB in the beginning and 123.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-08-14 06:33:02,232 INFO L158 Benchmark]: TraceAbstraction took 7715.00ms. Allocated memory was 209.7MB in the beginning and 297.8MB in the end (delta: 88.1MB). Free memory was 122.2MB in the beginning and 105.0MB in the end (delta: 17.2MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2024-08-14 06:33:02,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 209.7MB. Free memory is still 138.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 695.85ms. Allocated memory is still 209.7MB. Free memory was 134.4MB in the beginning and 166.2MB in the end (delta: -31.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.64ms. Allocated memory is still 209.7MB. Free memory was 166.2MB in the beginning and 164.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.84ms. Allocated memory is still 209.7MB. Free memory was 164.1MB in the beginning and 162.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.70ms. Allocated memory is still 209.7MB. Free memory was 162.0MB in the beginning and 123.2MB in the end (delta: 38.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7715.00ms. Allocated memory was 209.7MB in the beginning and 297.8MB in the end (delta: 88.1MB). Free memory was 122.2MB in the beginning and 105.0MB in the end (delta: 17.2MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7978, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 1150, dependent conditional: 1119, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 1827, dependent unconditional: 407, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 684, independent: 612, independent conditional: 5, independent unconditional: 607, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 684, independent: 589, independent conditional: 0, independent unconditional: 589, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 259, independent: 88, independent conditional: 14, independent unconditional: 75, dependent: 171, dependent conditional: 85, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9062, independent: 6216, independent conditional: 117, independent unconditional: 6099, dependent: 2162, dependent conditional: 494, dependent unconditional: 1668, unknown: 684, unknown conditional: 43, unknown unconditional: 641] , Statistics on independence cache: Total cache size (in pairs): 684, Positive cache size: 612, Positive conditional cache size: 5, Positive unconditional cache size: 607, Negative cache size: 72, Negative conditional cache size: 38, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1295, Maximal queried relation: 8, Independence queries for same thread: 865 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 393, Number of trivial persistent sets: 365, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 834, independent: 803, independent conditional: 0, independent unconditional: 803, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7978, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 1150, dependent conditional: 1119, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7113, independent: 6828, independent conditional: 6025, independent unconditional: 803, dependent: 285, dependent conditional: 254, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 1827, dependent unconditional: 407, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9062, independent: 6828, independent conditional: 122, independent unconditional: 6706, dependent: 2234, dependent conditional: 532, dependent unconditional: 1702, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 684, independent: 612, independent conditional: 5, independent unconditional: 607, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 684, independent: 589, independent conditional: 0, independent unconditional: 589, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 23, independent conditional: 5, independent unconditional: 18, dependent: 72, dependent conditional: 38, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 259, independent: 88, independent conditional: 14, independent unconditional: 75, dependent: 171, dependent conditional: 85, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9062, independent: 6216, independent conditional: 117, independent unconditional: 6099, dependent: 2162, dependent conditional: 494, dependent unconditional: 1668, unknown: 684, unknown conditional: 43, unknown unconditional: 641] , Statistics on independence cache: Total cache size (in pairs): 684, Positive cache size: 612, Positive conditional cache size: 5, Positive unconditional cache size: 607, Negative cache size: 72, Negative conditional cache size: 38, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1295, Maximal queried relation: 8, Independence queries for same thread: 865 - PositiveResult [Line: 914]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 915]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 919]: 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, 60 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.4s, 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: 61, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 747 NumberOfCodeBlocks, 747 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 853 ConstructedInterpolants, 0 QuantifiedInterpolants, 3203 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1876 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 459/904 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! [2024-08-14 06:33:02,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-08-14 06:33:02,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE