./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i --full-output --validate ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/szymanski.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7bc0c755 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread-atomic/szymanski.i ./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/szymanski.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.goblint-validation-atomicfix-7bc0c75-m [2024-08-22 19:29:01,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-08-22 19:29:01,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-08-22 19:29:01,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-08-22 19:29:01,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-08-22 19:29:01,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-08-22 19:29:01,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-08-22 19:29:01,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-08-22 19:29:01,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-08-22 19:29:01,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-08-22 19:29:01,228 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-08-22 19:29:01,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-08-22 19:29:01,228 INFO L153 SettingsManager]: * Use SBE=true [2024-08-22 19:29:01,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-08-22 19:29:01,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-08-22 19:29:01,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-08-22 19:29:01,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-08-22 19:29:01,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-08-22 19:29:01,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-08-22 19:29:01,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-08-22 19:29:01,230 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-08-22 19:29:01,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-08-22 19:29:01,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-08-22 19:29:01,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-08-22 19:29:01,234 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-08-22 19:29:01,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-08-22 19:29:01,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-08-22 19:29:01,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-08-22 19:29:01,235 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-08-22 19:29:01,235 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-08-22 19:29:01,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:29:01,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-08-22 19:29:01,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-08-22 19:29:01,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-08-22 19:29:01,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-08-22 19:29:01,236 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-08-22 19:29:01,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-08-22 19:29:01,236 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-08-22 19:29:01,237 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-08-22 19:29:01,237 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-08-22 19:29:01,237 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-08-22 19:29:01,237 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-08-22 19:29:01,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2024-08-22 19:29:01,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-08-22 19:29:01,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-08-22 19:29:01,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-08-22 19:29:01,467 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-08-22 19:29:01,468 INFO L274 PluginConnector]: Witness Parser initialized [2024-08-22 19:29:01,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-08-08_07-59-58.files/mutex-meet-ghost/szymanski.yml/witness.yml [2024-08-22 19:29:01,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-08-22 19:29:01,538 INFO L274 PluginConnector]: CDTParser initialized [2024-08-22 19:29:01,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-atomic/szymanski.i [2024-08-22 19:29:02,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-08-22 19:29:02,937 INFO L384 CDTParser]: Found 1 translation units. [2024-08-22 19:29:02,938 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/szymanski.i [2024-08-22 19:29:02,950 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc3f79037/e869340ffdfc46aba3f3dbfd5cd5aef7/FLAG5e7bf916a [2024-08-22 19:29:03,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/fc3f79037/e869340ffdfc46aba3f3dbfd5cd5aef7 [2024-08-22 19:29:03,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-08-22 19:29:03,312 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-08-22 19:29:03,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-08-22 19:29:03,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-08-22 19:29:03,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-08-22 19:29:03,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:29:01" (1/2) ... [2024-08-22 19:29:03,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458710c6 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:29:03, skipping insertion in model container [2024-08-22 19:29:03,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:29:01" (1/2) ... [2024-08-22 19:29:03,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5c7db3a5 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 22.08 07:29:03, skipping insertion in model container [2024-08-22 19:29:03,320 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:29:03" (2/2) ... [2024-08-22 19:29:03,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458710c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03, skipping insertion in model container [2024-08-22 19:29:03,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:29:03" (2/2) ... [2024-08-22 19:29:03,320 INFO L81 nessWitnessExtractor]: Only extracting loop invariants from correctness witness [2024-08-22 19:29:03,334 INFO L95 edCorrectnessWitness]: Found the following entries in the witness: [2024-08-22 19:29:03,335 INFO L103 edCorrectnessWitness]: ghost_variable multithreaded = 0 [2024-08-22 19:29:03,335 INFO L106 edCorrectnessWitness]: ghost_update [L818-L818] multithreaded = 1; [2024-08-22 19:29:03,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-08-22 19:29:03,588 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-atomic/szymanski.i[31505,31518] [2024-08-22 19:29:03,597 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-atomic/szymanski.i[32915,32928] [2024-08-22 19:29:03,601 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:29:03,610 INFO L202 MainTranslator]: Completed pre-run Start Parsing Local [2024-08-22 19:29:03,666 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-atomic/szymanski.i[31505,31518] [2024-08-22 19:29:03,673 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-atomic/szymanski.i[32915,32928] Start Parsing Local [2024-08-22 19:29:03,680 INFO L207 PostProcessor]: Analyzing one entry point: main [2024-08-22 19:29:03,704 INFO L206 MainTranslator]: Completed translation [2024-08-22 19:29:03,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03 WrapperNode [2024-08-22 19:29:03,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-08-22 19:29:03,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-08-22 19:29:03,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-08-22 19:29:03,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-08-22 19:29:03,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,732 INFO L138 Inliner]: procedures = 169, calls = 64, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2024-08-22 19:29:03,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-08-22 19:29:03,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-08-22 19:29:03,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-08-22 19:29:03,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-08-22 19:29:03,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-08-22 19:29:03,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-08-22 19:29:03,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-08-22 19:29:03,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-08-22 19:29:03,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (1/1) ... [2024-08-22 19:29:03,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-08-22 19:29:03,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:03,831 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) [2024-08-22 19:29:03,833 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 [2024-08-22 19:29:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2024-08-22 19:29:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2024-08-22 19:29:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-08-22 19:29:03,859 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-08-22 19:29:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-08-22 19:29:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-08-22 19:29:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-08-22 19:29:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-08-22 19:29:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-08-22 19:29:03,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-08-22 19:29:03,862 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-08-22 19:29:03,970 INFO L243 CfgBuilder]: Building ICFG [2024-08-22 19:29:03,972 INFO L269 CfgBuilder]: Building CFG for each procedure with an implementation [2024-08-22 19:29:04,100 INFO L288 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-08-22 19:29:04,101 INFO L292 CfgBuilder]: Performing block encoding [2024-08-22 19:29:04,155 INFO L314 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-08-22 19:29:04,155 INFO L319 CfgBuilder]: Removed 8 assume(true) statements. [2024-08-22 19:29:04,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:29:04 BoogieIcfgContainer [2024-08-22 19:29:04,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-08-22 19:29:04,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-08-22 19:29:04,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-08-22 19:29:04,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-08-22 19:29:04,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 22.08 07:29:01" (1/4) ... [2024-08-22 19:29:04,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d702741 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 22.08 07:29:04, skipping insertion in model container [2024-08-22 19:29:04,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:29:03" (2/4) ... [2024-08-22 19:29:04,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d702741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:29:04, skipping insertion in model container [2024-08-22 19:29:04,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:29:03" (3/4) ... [2024-08-22 19:29:04,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d702741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:29:04, skipping insertion in model container [2024-08-22 19:29:04,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:29:04" (4/4) ... [2024-08-22 19:29:04,165 INFO L112 eAbstractionObserver]: Analyzing ICFG szymanski.i [2024-08-22 19:29:04,178 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-08-22 19:29:04,178 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-08-22 19:29:04,179 INFO L522 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-08-22 19:29:04,240 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-08-22 19:29:04,273 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:29:04,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 19:29:04,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:04,275 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) [2024-08-22 19:29:04,276 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 [2024-08-22 19:29:04,313 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 19:29:04,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-08-22 19:29:04,330 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;@2a764580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:29:04,330 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-22 19:29:04,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:04,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:04,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1902452533, now seen corresponding path program 1 times [2024-08-22 19:29:04,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:04,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564099437] [2024-08-22 19:29:04,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:04,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-08-22 19:29:04,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:04,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564099437] [2024-08-22 19:29:04,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564099437] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:04,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:29:04,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-22 19:29:04,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105680787] [2024-08-22 19:29:04,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:04,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:29:04,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:04,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:29:04,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:29:04,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:04,791 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:04,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2024-08-22 19:29:04,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:04,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:04,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-08-22 19:29:04,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:04,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:04,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1748530857, now seen corresponding path program 1 times [2024-08-22 19:29:04,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:04,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781822354] [2024-08-22 19:29:04,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:04,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:05,002 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-08-22 19:29:05,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:05,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781822354] [2024-08-22 19:29:05,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781822354] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:05,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:29:05,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 19:29:05,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35227206] [2024-08-22 19:29:05,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:05,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:29:05,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:05,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:29:05,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:29:05,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:05,010 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:05,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-08-22 19:29:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-08-22 19:29:05,085 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:05,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:05,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1002322793, now seen corresponding path program 1 times [2024-08-22 19:29:05,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:05,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708101864] [2024-08-22 19:29:05,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:05,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-08-22 19:29:05,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:05,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708101864] [2024-08-22 19:29:05,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708101864] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:05,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:29:05,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 19:29:05,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245777182] [2024-08-22 19:29:05,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:05,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:29:05,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:05,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:29:05,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:29:05,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:05,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:05,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 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) [2024-08-22 19:29:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:05,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-08-22 19:29:05,280 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:05,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:05,284 INFO L85 PathProgramCache]: Analyzing trace with hash -105454611, now seen corresponding path program 1 times [2024-08-22 19:29:05,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:05,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910460268] [2024-08-22 19:29:05,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:05,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-22 19:29:05,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:05,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910460268] [2024-08-22 19:29:05,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910460268] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 19:29:05,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993975849] [2024-08-22 19:29:05,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:05,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 19:29:05,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:05,370 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) [2024-08-22 19:29:05,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-08-22 19:29:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:05,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 2 conjunts are in the unsatisfiable core [2024-08-22 19:29:05,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 19:29:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-08-22 19:29:05,466 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 19:29:05,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993975849] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:05,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-22 19:29:05,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-08-22 19:29:05,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959623060] [2024-08-22 19:29:05,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:05,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-22 19:29:05,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:05,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-22 19:29:05,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-22 19:29:05,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:05,468 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:05,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) 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) [2024-08-22 19:29:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:05,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-08-22 19:29:05,712 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 [2024-08-22 19:29:05,712 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:05,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:05,713 INFO L85 PathProgramCache]: Analyzing trace with hash -570025246, now seen corresponding path program 1 times [2024-08-22 19:29:05,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:05,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912810182] [2024-08-22 19:29:05,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:05,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-22 19:29:05,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:05,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912810182] [2024-08-22 19:29:05,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912810182] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 19:29:05,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581670480] [2024-08-22 19:29:05,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:05,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 19:29:05,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:05,760 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) [2024-08-22 19:29:05,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-08-22 19:29:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:05,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-22 19:29:05,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 19:29:05,849 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-22 19:29:05,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 19:29:05,897 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-08-22 19:29:05,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581670480] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 19:29:05,899 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 19:29:05,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-08-22 19:29:05,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113308936] [2024-08-22 19:29:05,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 19:29:05,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 19:29:05,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:05,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 19:29:05,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-22 19:29:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:05,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:05,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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) [2024-08-22 19:29:05,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:05,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:05,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 19:29:06,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-08-22 19:29:06,311 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 [2024-08-22 19:29:06,312 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:06,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:06,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1420749317, now seen corresponding path program 1 times [2024-08-22 19:29:06,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:06,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111445425] [2024-08-22 19:29:06,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:06,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-08-22 19:29:06,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:06,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111445425] [2024-08-22 19:29:06,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111445425] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:06,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:29:06,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 19:29:06,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381437460] [2024-08-22 19:29:06,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:06,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:29:06,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:06,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:29:06,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:29:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:06,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:06,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-08-22 19:29:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 19:29:06,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:06,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 19:29:06,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-08-22 19:29:06,672 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:06,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:06,673 INFO L85 PathProgramCache]: Analyzing trace with hash -675822027, now seen corresponding path program 1 times [2024-08-22 19:29:06,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:06,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908323186] [2024-08-22 19:29:06,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:06,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:06,728 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-22 19:29:06,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:06,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908323186] [2024-08-22 19:29:06,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908323186] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 19:29:06,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545394347] [2024-08-22 19:29:06,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:06,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 19:29:06,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:06,733 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) [2024-08-22 19:29:06,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-08-22 19:29:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:06,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-22 19:29:06,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 19:29:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-22 19:29:06,798 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 19:29:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-08-22 19:29:06,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [545394347] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 19:29:06,814 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 19:29:06,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-08-22 19:29:06,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375948558] [2024-08-22 19:29:06,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 19:29:06,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-08-22 19:29:06,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:06,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-08-22 19:29:06,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-08-22 19:29:06,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:06,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:06,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 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) [2024-08-22 19:29:06,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:06,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-08-22 19:29:06,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:06,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 19:29:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-08-22 19:29:07,211 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-22 19:29:07,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-08-22 19:29:07,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 19:29:07,422 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-08-22 19:29:07,423 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/3) [2024-08-22 19:29:07,426 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:29:07,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 19:29:07,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:07,428 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-22 19:29:07,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-08-22 19:29:07,431 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 19:29:07,432 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-08-22 19:29:07,432 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;@2a764580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:29:07,432 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-08-22 19:29:07,461 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2024-08-22 19:29:07,462 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-08-22 19:29:07,463 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-08-22 19:29:07,463 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/3) [2024-08-22 19:29:07,464 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:29:07,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-08-22 19:29:07,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:07,467 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-08-22 19:29:07,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-08-22 19:29:07,470 INFO L158 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-08-22 19:29:07,470 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr2Thread1of1ForFork1 ======== [2024-08-22 19:29:07,471 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;@2a764580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-08-22 19:29:07,471 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-08-22 19:29:07,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:07,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:07,542 INFO L85 PathProgramCache]: Analyzing trace with hash -863238133, now seen corresponding path program 1 times [2024-08-22 19:29:07,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:07,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824211000] [2024-08-22 19:29:07,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-08-22 19:29:07,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:07,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824211000] [2024-08-22 19:29:07,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824211000] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:07,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:29:07,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-08-22 19:29:07,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363699827] [2024-08-22 19:29:07,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:07,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:29:07,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:07,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:29:07,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:29:07,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:07,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 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) [2024-08-22 19:29:07,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-08-22 19:29:07,658 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:07,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:07,658 INFO L85 PathProgramCache]: Analyzing trace with hash -516383083, now seen corresponding path program 1 times [2024-08-22 19:29:07,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:07,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241623029] [2024-08-22 19:29:07,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:07,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-08-22 19:29:07,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:07,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241623029] [2024-08-22 19:29:07,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241623029] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:07,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:29:07,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 19:29:07,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903026047] [2024-08-22 19:29:07,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:07,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:29:07,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:07,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:29:07,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:29:07,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,698 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:07,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-08-22 19:29:07,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-08-22 19:29:07,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:07,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:07,740 INFO L85 PathProgramCache]: Analyzing trace with hash -899442219, now seen corresponding path program 1 times [2024-08-22 19:29:07,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:07,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222532554] [2024-08-22 19:29:07,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:07,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:07,772 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-08-22 19:29:07,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:07,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222532554] [2024-08-22 19:29:07,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222532554] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:07,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-08-22 19:29:07,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-08-22 19:29:07,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317832144] [2024-08-22 19:29:07,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:07,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-08-22 19:29:07,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:07,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-08-22 19:29:07,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-08-22 19:29:07,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:07,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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) [2024-08-22 19:29:07,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-08-22 19:29:07,814 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:07,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:07,815 INFO L85 PathProgramCache]: Analyzing trace with hash -598655357, now seen corresponding path program 1 times [2024-08-22 19:29:07,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:07,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406950108] [2024-08-22 19:29:07,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:07,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-22 19:29:07,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:07,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406950108] [2024-08-22 19:29:07,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406950108] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 19:29:07,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556907962] [2024-08-22 19:29:07,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:07,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 19:29:07,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:07,847 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 19:29:07,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-08-22 19:29:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:07,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2024-08-22 19:29:07,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 19:29:07,900 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-08-22 19:29:07,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-08-22 19:29:07,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556907962] provided 1 perfect and 0 imperfect interpolant sequences [2024-08-22 19:29:07,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-08-22 19:29:07,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-08-22 19:29:07,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580843656] [2024-08-22 19:29:07,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-08-22 19:29:07,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-08-22 19:29:07,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:07,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-08-22 19:29:07,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-08-22 19:29:07,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,901 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:07,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-08-22 19:29:07,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,902 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:07,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:07,950 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-08-22 19:29:08,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-08-22 19:29:08,139 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-08-22 19:29:08,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-08-22 19:29:08,139 INFO L85 PathProgramCache]: Analyzing trace with hash 2107040039, now seen corresponding path program 1 times [2024-08-22 19:29:08,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-08-22 19:29:08,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304524128] [2024-08-22 19:29:08,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:08,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-08-22 19:29:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:08,177 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-22 19:29:08,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-08-22 19:29:08,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304524128] [2024-08-22 19:29:08,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304524128] provided 0 perfect and 1 imperfect interpolant sequences [2024-08-22 19:29:08,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836027387] [2024-08-22 19:29:08,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-08-22 19:29:08,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 19:29:08,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-08-22 19:29:08,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-08-22 19:29:08,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-08-22 19:29:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-08-22 19:29:08,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2024-08-22 19:29:08,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-08-22 19:29:08,248 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-22 19:29:08,248 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-08-22 19:29:08,275 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-08-22 19:29:08,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836027387] provided 0 perfect and 2 imperfect interpolant sequences [2024-08-22 19:29:08,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-08-22 19:29:08,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-08-22 19:29:08,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190568277] [2024-08-22 19:29:08,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-08-22 19:29:08,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-08-22 19:29:08,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-08-22 19:29:08,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-08-22 19:29:08,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-08-22 19:29:08,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:08,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-08-22 19:29:08,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2024-08-22 19:29:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:08,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-08-22 19:29:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-08-22 19:29:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-08-22 19:29:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-08-22 19:29:09,133 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-08-22 19:29:09,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-08-22 19:29:09,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-08-22 19:29:09,335 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-08-22 19:29:09,335 INFO L308 ceAbstractionStarter]: Result for error location thr2Thread1of1ForFork1 was SAFE (3/3) [2024-08-22 19:29:09,335 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-08-22 19:29:09,335 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2024-08-22 19:29:09,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:29:09 BasicIcfg [2024-08-22 19:29:09,338 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-08-22 19:29:09,339 INFO L158 Benchmark]: Toolchain (without parser) took 6027.07ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 94.4MB in the beginning and 103.3MB in the end (delta: -8.9MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-08-22 19:29:09,339 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:29:09,339 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 100.7MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-08-22 19:29:09,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.44ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 68.5MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-08-22 19:29:09,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.10ms. Allocated memory is still 144.7MB. Free memory was 68.5MB in the beginning and 66.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-08-22 19:29:09,339 INFO L158 Benchmark]: Boogie Preprocessor took 54.86ms. Allocated memory is still 144.7MB. Free memory was 66.5MB in the beginning and 113.3MB in the end (delta: -46.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-08-22 19:29:09,340 INFO L158 Benchmark]: RCFGBuilder took 367.90ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 94.8MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-08-22 19:29:09,340 INFO L158 Benchmark]: TraceAbstraction took 5181.50ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 94.4MB in the beginning and 103.3MB in the end (delta: -9.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2024-08-22 19:29:09,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 100.7MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.44ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 68.5MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.10ms. Allocated memory is still 144.7MB. Free memory was 68.5MB in the beginning and 66.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.86ms. Allocated memory is still 144.7MB. Free memory was 66.5MB in the beginning and 113.3MB in the end (delta: -46.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 367.90ms. Allocated memory is still 144.7MB. Free memory was 113.3MB in the beginning and 94.8MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5181.50ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 94.4MB in the beginning and 103.3MB in the end (delta: -9.0MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10416, independent: 8600, independent conditional: 6707, independent unconditional: 1893, dependent: 1816, dependent conditional: 1664, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9254, independent: 8600, independent conditional: 6707, independent unconditional: 1893, dependent: 654, dependent conditional: 502, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9254, independent: 8600, independent conditional: 6707, independent unconditional: 1893, dependent: 654, dependent conditional: 502, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10747, independent: 8600, independent conditional: 18, independent unconditional: 8582, dependent: 2147, dependent conditional: 1475, dependent unconditional: 672, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10747, independent: 8600, independent conditional: 18, independent unconditional: 8582, dependent: 2147, dependent conditional: 412, dependent unconditional: 1735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10747, independent: 8600, independent conditional: 18, independent unconditional: 8582, dependent: 2147, dependent conditional: 412, dependent unconditional: 1735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2081, independent: 1823, independent conditional: 4, independent unconditional: 1819, dependent: 258, dependent conditional: 106, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2081, independent: 1815, independent conditional: 0, independent unconditional: 1815, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 266, independent: 8, independent conditional: 4, independent unconditional: 4, dependent: 258, dependent conditional: 106, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 266, independent: 8, independent conditional: 4, independent unconditional: 4, dependent: 258, dependent conditional: 106, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 273, independent: 10, independent conditional: 5, independent unconditional: 6, dependent: 262, dependent conditional: 97, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10747, independent: 6777, independent conditional: 14, independent unconditional: 6763, dependent: 1889, dependent conditional: 306, dependent unconditional: 1583, unknown: 2081, unknown conditional: 110, unknown unconditional: 1971] , Statistics on independence cache: Total cache size (in pairs): 2081, Positive cache size: 1823, Positive conditional cache size: 4, Positive unconditional cache size: 1819, Negative cache size: 258, Negative conditional cache size: 106, Negative unconditional cache size: 152, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1063, Maximal queried relation: 5, Independence queries for same thread: 1162 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 998, Number of trivial persistent sets: 927, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2045, independent: 1893, independent conditional: 0, independent unconditional: 1893, dependent: 152, dependent conditional: 0, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10416, independent: 8600, independent conditional: 6707, independent unconditional: 1893, dependent: 1816, dependent conditional: 1664, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9254, independent: 8600, independent conditional: 6707, independent unconditional: 1893, dependent: 654, dependent conditional: 502, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9254, independent: 8600, independent conditional: 6707, independent unconditional: 1893, dependent: 654, dependent conditional: 502, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10747, independent: 8600, independent conditional: 18, independent unconditional: 8582, dependent: 2147, dependent conditional: 1475, dependent unconditional: 672, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10747, independent: 8600, independent conditional: 18, independent unconditional: 8582, dependent: 2147, dependent conditional: 412, dependent unconditional: 1735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10747, independent: 8600, independent conditional: 18, independent unconditional: 8582, dependent: 2147, dependent conditional: 412, dependent unconditional: 1735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2081, independent: 1823, independent conditional: 4, independent unconditional: 1819, dependent: 258, dependent conditional: 106, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2081, independent: 1815, independent conditional: 0, independent unconditional: 1815, dependent: 266, dependent conditional: 0, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 266, independent: 8, independent conditional: 4, independent unconditional: 4, dependent: 258, dependent conditional: 106, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 266, independent: 8, independent conditional: 4, independent unconditional: 4, dependent: 258, dependent conditional: 106, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 273, independent: 10, independent conditional: 5, independent unconditional: 6, dependent: 262, dependent conditional: 97, dependent unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10747, independent: 6777, independent conditional: 14, independent unconditional: 6763, dependent: 1889, dependent conditional: 306, dependent unconditional: 1583, unknown: 2081, unknown conditional: 110, unknown unconditional: 1971] , Statistics on independence cache: Total cache size (in pairs): 2081, Positive cache size: 1823, Positive conditional cache size: 4, Positive unconditional cache size: 1819, Negative cache size: 258, Negative conditional cache size: 106, Negative unconditional cache size: 152, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1063, Maximal queried relation: 5, Independence queries for same thread: 1162 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 322, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 320, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 320, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 314, unknown conditional: 0, unknown unconditional: 314] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 310, Positive conditional cache size: 0, Positive unconditional cache size: 310, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 11, Number of trivial persistent sets: 9, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 322, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 6, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 320, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 320, independent: 316, independent conditional: 0, independent unconditional: 316, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 314, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 314, independent: 309, independent conditional: 0, independent unconditional: 309, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 320, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 314, unknown conditional: 0, unknown unconditional: 314] , Statistics on independence cache: Total cache size (in pairs): 314, Positive cache size: 310, Positive conditional cache size: 0, Positive unconditional cache size: 310, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 2 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9179, independent: 7472, independent conditional: 5634, independent unconditional: 1838, dependent: 1707, dependent conditional: 1558, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8100, independent: 7472, independent conditional: 5634, independent unconditional: 1838, dependent: 628, dependent conditional: 479, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8100, independent: 7472, independent conditional: 5634, independent unconditional: 1838, dependent: 628, dependent conditional: 479, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8843, independent: 7472, independent conditional: 0, independent unconditional: 7472, dependent: 1371, dependent conditional: 743, dependent unconditional: 628, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8843, independent: 7472, independent conditional: 0, independent unconditional: 7472, dependent: 1371, dependent conditional: 247, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8843, independent: 7472, independent conditional: 0, independent unconditional: 7472, dependent: 1371, dependent conditional: 247, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2002, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 239, dependent conditional: 90, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2002, independent: 1759, independent conditional: 0, independent unconditional: 1759, dependent: 243, dependent conditional: 0, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 243, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 239, dependent conditional: 90, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 243, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 239, dependent conditional: 90, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 182, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 179, dependent conditional: 68, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8843, independent: 5709, independent conditional: 0, independent unconditional: 5709, dependent: 1132, dependent conditional: 157, dependent unconditional: 975, unknown: 2002, unknown conditional: 90, unknown unconditional: 1912] , Statistics on independence cache: Total cache size (in pairs): 2002, Positive cache size: 1763, Positive conditional cache size: 0, Positive unconditional cache size: 1763, Negative cache size: 239, Negative conditional cache size: 90, Negative unconditional cache size: 149, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 496, Maximal queried relation: 3, Independence queries for same thread: 1079 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 989, Number of trivial persistent sets: 912, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1987, independent: 1838, independent conditional: 0, independent unconditional: 1838, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9179, independent: 7472, independent conditional: 5634, independent unconditional: 1838, dependent: 1707, dependent conditional: 1558, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8100, independent: 7472, independent conditional: 5634, independent unconditional: 1838, dependent: 628, dependent conditional: 479, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8100, independent: 7472, independent conditional: 5634, independent unconditional: 1838, dependent: 628, dependent conditional: 479, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8843, independent: 7472, independent conditional: 0, independent unconditional: 7472, dependent: 1371, dependent conditional: 743, dependent unconditional: 628, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8843, independent: 7472, independent conditional: 0, independent unconditional: 7472, dependent: 1371, dependent conditional: 247, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8843, independent: 7472, independent conditional: 0, independent unconditional: 7472, dependent: 1371, dependent conditional: 247, dependent unconditional: 1124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2002, independent: 1763, independent conditional: 0, independent unconditional: 1763, dependent: 239, dependent conditional: 90, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2002, independent: 1759, independent conditional: 0, independent unconditional: 1759, dependent: 243, dependent conditional: 0, dependent unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 243, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 239, dependent conditional: 90, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 243, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 239, dependent conditional: 90, dependent unconditional: 149, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 182, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 179, dependent conditional: 68, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8843, independent: 5709, independent conditional: 0, independent unconditional: 5709, dependent: 1132, dependent conditional: 157, dependent unconditional: 975, unknown: 2002, unknown conditional: 90, unknown unconditional: 1912] , Statistics on independence cache: Total cache size (in pairs): 2002, Positive cache size: 1763, Positive conditional cache size: 0, Positive unconditional cache size: 1763, Negative cache size: 239, Negative conditional cache size: 90, Negative unconditional cache size: 149, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 496, Maximal queried relation: 3, Independence queries for same thread: 1079 - PositiveResult [Line: 745]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 802]: 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: thr1Thread1of1ForFork0 with 1 thread instances CFG has 5 procedures, 112 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, 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: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 516 ConstructedInterpolants, 0 QuantifiedInterpolants, 736 SizeOfPredicates, 2 NumberOfNonLiveVariables, 376 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 159/173 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 112 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, 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: 0, 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: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr2Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 112 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 361 NumberOfCodeBlocks, 361 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 554 SizeOfPredicates, 1 NumberOfNonLiveVariables, 249 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 147/161 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-08-22 19:29:09,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Forceful destruction successful, exit code 0 [2024-08-22 19:29:09,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2024-08-22 19:29:09,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-08-22 19:29:09,973 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