./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/pthread-demo-datarace-1.yml/witness.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a4c57e3 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-C-DAC/pthread-demo-datarace-1.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/pthread-demo-datarace-1.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --- Real Ultimate output --- This is Ultimate 0.2.4-wip.fs.witness-ghost-4a4c57e-m [2024-09-08 12:00:42,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 12:00:42,376 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 12:00:42,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 12:00:42,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 12:00:42,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 12:00:42,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 12:00:42,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 12:00:42,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 12:00:42,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 12:00:42,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 12:00:42,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 12:00:42,419 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 12:00:42,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 12:00:42,419 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 12:00:42,419 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 12:00:42,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 12:00:42,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 12:00:42,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 12:00:42,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 12:00:42,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 12:00:42,424 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 12:00:42,425 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 12:00:42,425 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 12:00:42,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 12:00:42,425 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 12:00:42,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 12:00:42,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 12:00:42,426 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 12:00:42,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 12:00:42,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:00:42,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 12:00:42,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 12:00:42,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 12:00:42,427 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 12:00:42,428 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 12:00:42,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 12:00:42,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 12:00:42,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 12:00:42,429 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 12:00:42,429 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 12:00:42,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 12:00:42,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 12:00:42,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 12:00:42,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 12:00:42,722 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 12:00:42,723 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 12:00:42,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/pthread-demo-datarace-1.yml/witness.yml [2024-09-08 12:00:42,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 12:00:42,814 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 12:00:42,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-08 12:00:44,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 12:00:44,583 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 12:00:44,583 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-08 12:00:44,608 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edf9f745f/52e98f1b40d24236b97d3dba1643cf5e/FLAG405107887 [2024-09-08 12:00:44,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/edf9f745f/52e98f1b40d24236b97d3dba1643cf5e [2024-09-08 12:00:44,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 12:00:44,848 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 12:00:44,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 12:00:44,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 12:00:44,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 12:00:44,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:00:42" (1/2) ... [2024-09-08 12:00:44,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4132d517 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:00:44, skipping insertion in model container [2024-09-08 12:00:44,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:00:42" (1/2) ... [2024-09-08 12:00:44,858 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49f1ef2c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 12:00:44, skipping insertion in model container [2024-09-08 12:00:44,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:00:44" (2/2) ... [2024-09-08 12:00:44,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4132d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:44, skipping insertion in model container [2024-09-08 12:00:44,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 12:00:44" (2/2) ... [2024-09-08 12:00:44,973 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 12:00:44,975 INFO L1541 ArrayList]: Location invariant before [L1343-L1346] ! multithreaded || 0 <= myglobal [2024-09-08 12:00:44,975 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 12:00:44,975 INFO L1541 ArrayList]: ghost_variable mymutex_locked = 0 [2024-09-08 12:00:44,976 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,976 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,976 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,976 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,976 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,976 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,977 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,977 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,977 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,977 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,977 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,978 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,978 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 12:00:44,978 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,978 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,978 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,978 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,979 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,979 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,979 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,979 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 12:00:44,980 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,980 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,980 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,980 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,981 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 12:00:44,982 INFO L1541 ArrayList]: ghost_update [L1343-L1343] multithreaded = 1; [2024-09-08 12:00:44,982 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:44,982 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:44,982 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:44,983 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:44,983 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:44,984 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:44,984 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:44,984 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 12:00:45,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 12:00:45,266 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-C-DAC/pthread-demo-datarace-1.i[820,833] [2024-09-08 12:00:45,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:00:45,602 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-08 12:00:45,643 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-C-DAC/pthread-demo-datarace-1.i[820,833] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-08 12:00:45,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 12:00:45,839 INFO L204 MainTranslator]: Completed translation [2024-09-08 12:00:45,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45 WrapperNode [2024-09-08 12:00:45,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 12:00:45,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 12:00:45,842 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 12:00:45,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 12:00:45,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,937 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2024-09-08 12:00:45,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 12:00:45,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 12:00:45,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 12:00:45,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 12:00:45,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 12:00:45,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 12:00:45,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 12:00:45,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 12:00:45,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (1/1) ... [2024-09-08 12:00:45,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 12:00:45,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:00:46,001 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) [2024-09-08 12:00:46,003 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 [2024-09-08 12:00:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 12:00:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 12:00:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 12:00:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-09-08 12:00:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-09-08 12:00:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 12:00:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 12:00:46,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 12:00:46,045 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-09-08 12:00:46,162 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 12:00:46,163 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 12:00:46,364 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 12:00:46,364 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 12:00:46,512 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 12:00:46,515 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-08 12:00:46,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:00:46 BoogieIcfgContainer [2024-09-08 12:00:46,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 12:00:46,519 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 12:00:46,519 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 12:00:46,523 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 12:00:46,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 12:00:42" (1/4) ... [2024-09-08 12:00:46,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa98c and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 12:00:46, skipping insertion in model container [2024-09-08 12:00:46,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 12:00:44" (2/4) ... [2024-09-08 12:00:46,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:00:46, skipping insertion in model container [2024-09-08 12:00:46,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 12:00:45" (3/4) ... [2024-09-08 12:00:46,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aa98c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 12:00:46, skipping insertion in model container [2024-09-08 12:00:46,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 12:00:46" (4/4) ... [2024-09-08 12:00:46,528 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-09-08 12:00:46,544 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 12:00:46,545 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-08 12:00:46,545 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 12:00:46,583 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-08 12:00:46,627 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:00:46,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 12:00:46,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:00:46,631 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) [2024-09-08 12:00:46,633 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 [2024-09-08 12:00:46,666 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 12:00:46,678 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 12:00:46,686 INFO L336 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@504f8349, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 12:00:46,686 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 12:00:46,705 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:00:46,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:00:46,710 INFO L85 PathProgramCache]: Analyzing trace with hash 11030, now seen corresponding path program 1 times [2024-09-08 12:00:46,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:00:46,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434842189] [2024-09-08 12:00:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:00:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:00:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:00:46,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:46,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:00:46,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434842189] [2024-09-08 12:00:46,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434842189] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:00:46,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:00:46,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 12:00:46,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917294186] [2024-09-08 12:00:46,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:00:46,951 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 12:00:46,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:00:46,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 12:00:46,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 12:00:46,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:46,979 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:00:46,980 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2024-09-08 12:00:46,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:47,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,142 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 12:00:47,143 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:00:47,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:00:47,144 INFO L85 PathProgramCache]: Analyzing trace with hash 868406672, now seen corresponding path program 1 times [2024-09-08 12:00:47,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:00:47,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298163649] [2024-09-08 12:00:47,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:00:47,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:00:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:00:47,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:47,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:00:47,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298163649] [2024-09-08 12:00:47,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298163649] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:00:47,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 12:00:47,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-08 12:00:47,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222132059] [2024-09-08 12:00:47,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:00:47,309 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 12:00:47,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:00:47,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 12:00:47,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 12:00:47,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:47,311 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:00:47,311 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-09-08 12:00:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:47,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,397 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-08 12:00:47,397 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:00:47,398 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:00:47,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1268595852, now seen corresponding path program 1 times [2024-09-08 12:00:47,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:00:47,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329509156] [2024-09-08 12:00:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:00:47,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:00:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:00:47,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:47,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:00:47,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329509156] [2024-09-08 12:00:47,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329509156] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:00:47,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922885703] [2024-09-08 12:00:47,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:00:47,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:00:47,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:00:47,567 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) [2024-09-08 12:00:47,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-08 12:00:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:00:47,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-08 12:00:47,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:00:47,774 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:47,774 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:00:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:47,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922885703] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:00:47,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:00:47,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-09-08 12:00:47,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973867266] [2024-09-08 12:00:47,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:00:47,840 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 12:00:47,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:00:47,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 12:00:47,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-09-08 12:00:47,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:47,841 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:00:47,842 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 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) [2024-09-08 12:00:47,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:00:47,998 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-08 12:00:48,183 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-09-08 12:00:48,184 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:00:48,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:00:48,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1596276512, now seen corresponding path program 2 times [2024-09-08 12:00:48,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:00:48,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956316796] [2024-09-08 12:00:48,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:00:48,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:00:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:00:48,529 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:48,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:00:48,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956316796] [2024-09-08 12:00:48,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956316796] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:00:48,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835277818] [2024-09-08 12:00:48,530 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 12:00:48,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:00:48,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:00:48,532 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) [2024-09-08 12:00:48,533 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-08 12:00:48,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 12:00:48,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:00:48,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 12:00:48,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:00:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:48,761 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:00:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 5 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:48,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835277818] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:00:48,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:00:48,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-09-08 12:00:48,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050304881] [2024-09-08 12:00:48,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:00:48,904 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 12:00:48,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:00:48,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 12:00:48,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-09-08 12:00:48,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:48,908 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:00:48,909 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 13 states have internal predecessors, (116), 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) [2024-09-08 12:00:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:00:48,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:00:49,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:00:49,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-08 12:00:49,329 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:00:49,329 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:00:49,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:00:49,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1173149560, now seen corresponding path program 3 times [2024-09-08 12:00:49,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:00:49,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010868161] [2024-09-08 12:00:49,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:00:49,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:00:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:00:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 11 proven. 510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:49,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:00:49,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010868161] [2024-09-08 12:00:49,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010868161] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:00:49,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647631039] [2024-09-08 12:00:49,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 12:00:49,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:00:49,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:00:49,880 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) [2024-09-08 12:00:49,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-08 12:00:50,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-09-08 12:00:50,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:00:50,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 590 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-08 12:00:50,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:00:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:50,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:00:50,912 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 0 proven. 521 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:50,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647631039] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:00:50,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:00:50,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 33 [2024-09-08 12:00:50,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071961462] [2024-09-08 12:00:50,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:00:50,914 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-09-08 12:00:50,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:00:50,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-09-08 12:00:50,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2024-09-08 12:00:50,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:50,917 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:00:50,917 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.424242424242424) internal successors, (311), 33 states have internal predecessors, (311), 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) [2024-09-08 12:00:50,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:50,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:50,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:00:50,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:00:50,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:51,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:51,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:00:51,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:00:51,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:00:51,642 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-08 12:00:51,823 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:00:51,824 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:00:51,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:00:51,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1225312364, now seen corresponding path program 4 times [2024-09-08 12:00:51,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:00:51,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906030614] [2024-09-08 12:00:51,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:00:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:00:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:00:55,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 1940 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:55,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:00:55,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906030614] [2024-09-08 12:00:55,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906030614] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:00:55,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171311222] [2024-09-08 12:00:55,545 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 12:00:55,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:00:55,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:00:55,548 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:00:55,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-08 12:00:55,855 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 12:00:55,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:00:55,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 1045 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-09-08 12:00:55,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:00:56,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 1940 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:56,207 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:00:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1940 backedges. 0 proven. 1940 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:00:56,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171311222] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:00:56,543 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:00:56,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2024-09-08 12:00:56,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375052463] [2024-09-08 12:00:56,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:00:56,545 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-08 12:00:56,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:00:56,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-08 12:00:56,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2024-09-08 12:00:56,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:00:56,549 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:00:56,550 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.777777777777778) internal successors, (215), 44 states have internal predecessors, (215), 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) [2024-09-08 12:00:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:00:56,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:00:56,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:00:56,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:00:56,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:01:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:01:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:01:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:01:00,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 12:01:00,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-08 12:01:00,374 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-08 12:01:00,375 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:01:00,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:01:00,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1653391368, now seen corresponding path program 5 times [2024-09-08 12:01:00,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:01:00,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347046553] [2024-09-08 12:01:00,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:01:00,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:01:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:01:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 2045 proven. 96 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:01:01,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:01:01,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347046553] [2024-09-08 12:01:01,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347046553] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:01:01,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279609387] [2024-09-08 12:01:01,255 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 12:01:01,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:01:01,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:01:01,257 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-08 12:01:01,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-08 12:01:01,637 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-09-08 12:01:01,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:01:01,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-08 12:01:01,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:01:01,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2142 backedges. 2141 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 12:01:01,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 12:01:01,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279609387] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:01:01,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 12:01:01,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-09-08 12:01:01,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56246215] [2024-09-08 12:01:01,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:01:01,925 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 12:01:01,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:01:01,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 12:01:01,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-09-08 12:01:01,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:01:01,927 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:01:01,927 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.695652173913043) internal successors, (223), 23 states have internal predecessors, (223), 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) [2024-09-08 12:01:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:01,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:01:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:01:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:01:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 12:01:01,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:01:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:01:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:01:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:01:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 12:01:02,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:02,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-08 12:01:02,600 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:01:02,600 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:01:02,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:01:02,601 INFO L85 PathProgramCache]: Analyzing trace with hash 25844216, now seen corresponding path program 6 times [2024-09-08 12:01:02,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:01:02,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940260889] [2024-09-08 12:01:02,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:01:02,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:01:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:01:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 1849 proven. 192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:01:03,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:01:03,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940260889] [2024-09-08 12:01:03,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940260889] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:01:03,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152604729] [2024-09-08 12:01:03,402 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 12:01:03,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:01:03,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:01:03,405 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) [2024-09-08 12:01:03,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-08 12:01:03,976 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-09-08 12:01:03,976 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 12:01:03,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 1068 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-08 12:01:03,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:01:04,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 2041 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:01:04,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 12:01:04,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152604729] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 12:01:04,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 12:01:04,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-09-08 12:01:04,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941298204] [2024-09-08 12:01:04,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 12:01:04,225 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 12:01:04,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:01:04,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 12:01:04,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-09-08 12:01:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:01:04,229 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:01:04,230 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.478260869565217) internal successors, (218), 23 states have internal predecessors, (218), 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) [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:04,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:01:04,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:04,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:04,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:01:04,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:01:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:01:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-08 12:01:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:04,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:04,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-08 12:01:04,899 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-09-08 12:01:04,900 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-09-08 12:01:04,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 12:01:04,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1169158532, now seen corresponding path program 7 times [2024-09-08 12:01:04,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 12:01:04,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594592860] [2024-09-08 12:01:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 12:01:04,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 12:01:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:01:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 20 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:01:05,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 12:01:05,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594592860] [2024-09-08 12:01:05,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594592860] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 12:01:05,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815476020] [2024-09-08 12:01:05,564 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 12:01:05,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:01:05,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 12:01:05,566 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) [2024-09-08 12:01:05,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-08 12:01:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 12:01:05,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-08 12:01:05,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 12:01:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 20 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:01:06,055 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 12:01:06,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 20 proven. 1824 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 12:01:06,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [815476020] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 12:01:06,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 12:01:06,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2024-09-08 12:01:06,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403861572] [2024-09-08 12:01:06,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 12:01:06,454 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 12:01:06,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 12:01:06,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 12:01:06,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-09-08 12:01:06,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:01:06,455 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 12:01:06,456 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.521739130434783) internal successors, (219), 23 states have internal predecessors, (219), 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) [2024-09-08 12:01:06,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:06,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:06,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:01:06,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:01:06,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 12:01:06,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-09-08 12:01:06,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:06,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:06,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 12:01:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 12:01:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 12:01:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 12:01:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-09-08 12:01:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-08 12:01:15,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 12:01:15,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 12:01:15,230 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-08 12:01:15,230 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-09-08 12:01:15,230 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-08 12:01:15,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-08 12:01:15,431 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 12:01:15,437 INFO L408 BasicCegarLoop]: Path program histogram: [7, 1, 1] [2024-09-08 12:01:15,439 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 12:01:15,439 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 12:01:15,441 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-08 12:01:15,441 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-08 12:01:15,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 12:01:15 BasicIcfg [2024-09-08 12:01:15,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 12:01:15,443 INFO L158 Benchmark]: Toolchain (without parser) took 30595.37ms. Allocated memory was 163.6MB in the beginning and 474.0MB in the end (delta: 310.4MB). Free memory was 101.7MB in the beginning and 307.6MB in the end (delta: -205.9MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2024-09-08 12:01:15,443 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 163.6MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:01:15,443 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:01:15,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 991.73ms. Allocated memory is still 163.6MB. Free memory was 101.7MB in the beginning and 129.8MB in the end (delta: -28.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. [2024-09-08 12:01:15,444 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.89ms. Allocated memory is still 163.6MB. Free memory was 129.8MB in the beginning and 126.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-08 12:01:15,444 INFO L158 Benchmark]: Boogie Preprocessor took 33.53ms. Allocated memory is still 163.6MB. Free memory was 126.9MB in the beginning and 125.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 12:01:15,444 INFO L158 Benchmark]: RCFGBuilder took 542.88ms. Allocated memory is still 163.6MB. Free memory was 125.0MB in the beginning and 96.5MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-08 12:01:15,444 INFO L158 Benchmark]: TraceAbstraction took 28923.74ms. Allocated memory was 163.6MB in the beginning and 474.0MB in the end (delta: 310.4MB). Free memory was 95.7MB in the beginning and 307.6MB in the end (delta: -212.0MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. [2024-09-08 12:01:15,446 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 0.22ms. Allocated memory is still 163.6MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 163.6MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 991.73ms. Allocated memory is still 163.6MB. Free memory was 101.7MB in the beginning and 129.8MB in the end (delta: -28.1MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.89ms. Allocated memory is still 163.6MB. Free memory was 129.8MB in the beginning and 126.9MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.53ms. Allocated memory is still 163.6MB. Free memory was 126.9MB in the beginning and 125.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.88ms. Allocated memory is still 163.6MB. Free memory was 125.0MB in the beginning and 96.5MB in the end (delta: 28.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 28923.74ms. Allocated memory was 163.6MB in the beginning and 474.0MB in the end (delta: 310.4MB). Free memory was 95.7MB in the beginning and 307.6MB in the end (delta: -212.0MB). Peak memory consumption was 101.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28649, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 3078, dependent conditional: 3072, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27832, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27832, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43629, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 18058, dependent conditional: 18052, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43629, independent: 25571, independent conditional: 0, independent unconditional: 25571, dependent: 18058, dependent conditional: 761, dependent unconditional: 17297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43629, independent: 25571, independent conditional: 0, independent unconditional: 25571, dependent: 18058, dependent conditional: 761, dependent unconditional: 17297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 183, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 147, dependent conditional: 125, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43629, independent: 25471, independent conditional: 0, independent unconditional: 25471, dependent: 17975, dependent conditional: 684, dependent unconditional: 17291, unknown: 183, unknown conditional: 77, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 83, Negative conditional cache size: 77, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42734, Maximal queried relation: 8, Independence queries for same thread: 817, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 83, Number of trivial persistent sets: 77, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134, independent: 128, independent conditional: 0, independent unconditional: 128, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28649, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 3078, dependent conditional: 3072, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27832, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27832, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 2261, dependent conditional: 2255, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43629, independent: 25571, independent conditional: 25443, independent unconditional: 128, dependent: 18058, dependent conditional: 18052, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43629, independent: 25571, independent conditional: 0, independent unconditional: 25571, dependent: 18058, dependent conditional: 761, dependent unconditional: 17297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43629, independent: 25571, independent conditional: 0, independent unconditional: 25571, dependent: 18058, dependent conditional: 761, dependent unconditional: 17297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 183, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 183, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 83, dependent conditional: 77, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 147, dependent conditional: 125, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43629, independent: 25471, independent conditional: 0, independent unconditional: 25471, dependent: 17975, dependent conditional: 684, dependent unconditional: 17291, unknown: 183, unknown conditional: 77, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 183, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 83, Negative conditional cache size: 77, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42734, Maximal queried relation: 8, Independence queries for same thread: 817 - PositiveResult [Line: 1343]: invariant of correctness witness holds For all program executions holds that invariant of correctness witness holds at this location - PositiveResult [Line: 13]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 28.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 14.7s, 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: 389, 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: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 2152 NumberOfCodeBlocks, 2152 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 2756 ConstructedInterpolants, 0 QuantifiedInterpolants, 7845 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5278 ConjunctsInSsa, 212 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 8171/21573 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! [2024-09-08 12:01:15,484 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 [2024-09-08 12:01:15,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE