./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/mutex-meet-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/mutex-meet-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 08:37:04,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-08 08:37:04,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-09-08 08:37:04,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-08 08:37:04,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-08 08:37:04,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-08 08:37:04,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-08 08:37:04,513 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-08 08:37:04,513 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-08 08:37:04,516 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-08 08:37:04,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-08 08:37:04,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-08 08:37:04,516 INFO L153 SettingsManager]: * Use SBE=true [2024-09-08 08:37:04,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-08 08:37:04,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-08 08:37:04,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-08 08:37:04,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-08 08:37:04,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-08 08:37:04,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-08 08:37:04,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-08 08:37:04,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-08 08:37:04,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-08 08:37:04,520 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-08 08:37:04,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-08 08:37:04,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-08 08:37:04,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-08 08:37:04,520 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-08 08:37:04,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-08 08:37:04,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-08 08:37:04,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-08 08:37:04,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:37:04,521 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-08 08:37:04,521 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-08 08:37:04,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-08 08:37:04,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-08 08:37:04,522 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-09-08 08:37:04,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-08 08:37:04,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-08 08:37:04,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-09-08 08:37:04,523 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-09-08 08:37:04,523 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-09-08 08:37:04,524 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false [2024-09-08 08:37:04,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-08 08:37:04,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-08 08:37:04,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-08 08:37:04,743 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-08 08:37:04,744 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-08 08:37:04,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/mutex-meet-ghost/pthread-demo-datarace-1.yml/witness.yml [2024-09-08 08:37:04,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-08 08:37:04,828 INFO L274 PluginConnector]: CDTParser initialized [2024-09-08 08:37:04,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-08 08:37:06,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-08 08:37:06,226 INFO L384 CDTParser]: Found 1 translation units. [2024-09-08 08:37:06,226 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2024-09-08 08:37:06,237 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/44f18b8a5/6956a29e36d24fff877a98870fc27f46/FLAG57f44a852 [2024-09-08 08:37:06,250 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/44f18b8a5/6956a29e36d24fff877a98870fc27f46 [2024-09-08 08:37:06,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-08 08:37:06,251 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-09-08 08:37:06,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-08 08:37:06,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-08 08:37:06,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-08 08:37:06,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:37:04" (1/2) ... [2024-09-08 08:37:06,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f78d46f and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:37:06, skipping insertion in model container [2024-09-08 08:37:06,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:37:04" (1/2) ... [2024-09-08 08:37:06,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@372b743 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 08.09 08:37:06, skipping insertion in model container [2024-09-08 08:37:06,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:37:06" (2/2) ... [2024-09-08 08:37:06,258 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f78d46f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06, skipping insertion in model container [2024-09-08 08:37:06,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 08:37:06" (2/2) ... [2024-09-08 08:37:06,334 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-08 08:37:06,335 INFO L1541 ArrayList]: Location invariant before [L1343-L1346] (! multithreaded || 0 <= myglobal) && (! multithreaded || (mymutex_locked || 0 <= myglobal)) [2024-09-08 08:37:06,335 INFO L1541 ArrayList]: ghost_variable mymutex_locked = 0 [2024-09-08 08:37:06,335 INFO L1541 ArrayList]: ghost_variable multithreaded = 0 [2024-09-08 08:37:06,335 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,335 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1330-L1330] mymutex_locked = 0; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,336 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,337 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,338 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,338 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,338 INFO L1541 ArrayList]: ghost_update [L1349-L1349] mymutex_locked = 1; [2024-09-08 08:37:06,338 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,338 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,338 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,339 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,339 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,339 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,339 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,339 INFO L1541 ArrayList]: ghost_update [L1325-L1325] mymutex_locked = 1; [2024-09-08 08:37:06,340 INFO L1541 ArrayList]: ghost_update [L1343-L1343] multithreaded = 1; [2024-09-08 08:37:06,340 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,340 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,340 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,340 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,340 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,340 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,341 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,342 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,342 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,342 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,342 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,342 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,342 INFO L1541 ArrayList]: ghost_update [L1351-L1351] mymutex_locked = 0; [2024-09-08 08:37:06,378 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-08 08:37:06,518 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 08:37:06,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:37:06,794 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local [2024-09-08 08:37:06,818 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 08:37:06,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-08 08:37:06,912 INFO L204 MainTranslator]: Completed translation [2024-09-08 08:37:06,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06 WrapperNode [2024-09-08 08:37:06,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-08 08:37:06,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-08 08:37:06,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-08 08:37:06,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-08 08:37:06,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,949 INFO L138 Inliner]: procedures = 364, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 95 [2024-09-08 08:37:06,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-08 08:37:06,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-08 08:37:06,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-08 08:37:06,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-08 08:37:06,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,957 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-08 08:37:06,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-08 08:37:06,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-08 08:37:06,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-08 08:37:06,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (1/1) ... [2024-09-08 08:37:06,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-09-08 08:37:06,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:06,999 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 08:37:07,000 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 08:37:07,029 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-09-08 08:37:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-09-08 08:37:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-08 08:37:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-09-08 08:37:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-09-08 08:37:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-08 08:37:07,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-08 08:37:07,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-08 08:37:07,031 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 08:37:07,120 INFO L242 CfgBuilder]: Building ICFG [2024-09-08 08:37:07,121 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-08 08:37:07,240 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-09-08 08:37:07,240 INFO L291 CfgBuilder]: Performing block encoding [2024-09-08 08:37:07,333 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-08 08:37:07,333 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-08 08:37:07,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:37:07 BoogieIcfgContainer [2024-09-08 08:37:07,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-08 08:37:07,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-08 08:37:07,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-08 08:37:07,337 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-08 08:37:07,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 08.09 08:37:04" (1/4) ... [2024-09-08 08:37:07,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8a22dd and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 08.09 08:37:07, skipping insertion in model container [2024-09-08 08:37:07,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 08:37:06" (2/4) ... [2024-09-08 08:37:07,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8a22dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:37:07, skipping insertion in model container [2024-09-08 08:37:07,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 08:37:06" (3/4) ... [2024-09-08 08:37:07,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8a22dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 08:37:07, skipping insertion in model container [2024-09-08 08:37:07,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 08:37:07" (4/4) ... [2024-09-08 08:37:07,339 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-09-08 08:37:07,351 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-08 08:37:07,351 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-09-08 08:37:07,351 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-09-08 08:37:07,379 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-09-08 08:37:07,415 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:37:07,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-09-08 08:37:07,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:07,417 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 08:37:07,418 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 08:37:07,459 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-09-08 08:37:07,468 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-09-08 08:37:07,472 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;@c8cd0a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-08 08:37:07,472 INFO L337 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-09-08 08:37:07,486 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 08:37:07,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:07,489 INFO L85 PathProgramCache]: Analyzing trace with hash 11030, now seen corresponding path program 1 times [2024-09-08 08:37:07,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:07,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41422832] [2024-09-08 08:37:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:07,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:07,670 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 08:37:07,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:07,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41422832] [2024-09-08 08:37:07,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41422832] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:37:07,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-08 08:37:07,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-09-08 08:37:07,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626301505] [2024-09-08 08:37:07,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:37:07,676 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-08 08:37:07,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:07,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-08 08:37:07,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-08 08:37:07,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:07,698 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:07,699 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 08:37:07,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:07,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:07,835 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-08 08:37:07,835 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 08:37:07,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:07,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1654960680, now seen corresponding path program 1 times [2024-09-08 08:37:07,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:07,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117280765] [2024-09-08 08:37:07,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:07,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:07,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:07,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:07,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117280765] [2024-09-08 08:37:07,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117280765] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:37:07,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141297824] [2024-09-08 08:37:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:07,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:07,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:07,970 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 08:37:07,972 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 08:37:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:08,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-08 08:37:08,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:37:08,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:08,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:37:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:08,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141297824] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:37:08,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:37:08,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-09-08 08:37:08,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110830751] [2024-09-08 08:37:08,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:37:08,135 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-08 08:37:08,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:08,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-08 08:37:08,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-09-08 08:37:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:08,138 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:08,138 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-08 08:37:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:08,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:08,272 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 08:37:08,463 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,SelfDestructingSolverStorable1 [2024-09-08 08:37:08,463 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 08:37:08,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:08,464 INFO L85 PathProgramCache]: Analyzing trace with hash -817023316, now seen corresponding path program 2 times [2024-09-08 08:37:08,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:08,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327946962] [2024-09-08 08:37:08,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:08,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:08,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:08,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327946962] [2024-09-08 08:37:08,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327946962] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:37:08,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390681906] [2024-09-08 08:37:08,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-08 08:37:08,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:08,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:08,713 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 08:37:08,714 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 08:37:08,803 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-08 08:37:08,803 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:37:08,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-09-08 08:37:08,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:37:08,874 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:08,875 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:37:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:08,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390681906] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:37:08,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:37:08,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-09-08 08:37:08,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568076143] [2024-09-08 08:37:08,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:37:08,999 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-09-08 08:37:08,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:09,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-09-08 08:37:09,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-09-08 08:37:09,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:09,002 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:09,002 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 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 08:37:09,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:09,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:09,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:09,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:09,190 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 08:37:09,377 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:09,378 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 08:37:09,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash -653408428, now seen corresponding path program 3 times [2024-09-08 08:37:09,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:09,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863420787] [2024-09-08 08:37:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:09,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:09,736 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 10 proven. 460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:09,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:09,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863420787] [2024-09-08 08:37:09,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863420787] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:37:09,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29857992] [2024-09-08 08:37:09,737 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-08 08:37:09,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:09,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:09,741 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 08:37:09,742 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 08:37:09,902 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-09-08 08:37:09,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:37:09,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-09-08 08:37:09,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:37:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:10,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:37:10,393 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:10,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29857992] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:37:10,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:37:10,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 33 [2024-09-08 08:37:10,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955362064] [2024-09-08 08:37:10,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:37:10,394 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-09-08 08:37:10,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:10,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-09-08 08:37:10,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2024-09-08 08:37:10,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:10,396 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:10,397 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.393939393939394) internal successors, (310), 33 states have internal predecessors, (310), 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 08:37:10,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:10,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:10,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:10,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:10,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:10,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:10,986 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 08:37:11,173 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:11,174 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 08:37:11,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:11,174 INFO L85 PathProgramCache]: Analyzing trace with hash 2023671136, now seen corresponding path program 4 times [2024-09-08 08:37:11,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:11,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378650868] [2024-09-08 08:37:11,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:11,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:11,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2041 backedges. 1945 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-08 08:37:11,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:11,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378650868] [2024-09-08 08:37:11,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378650868] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:37:12,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652239766] [2024-09-08 08:37:12,000 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-09-08 08:37:12,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:12,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:12,001 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 08:37:12,002 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 08:37:12,239 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-09-08 08:37:12,239 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:37:12,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-08 08:37:12,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:37:12,477 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 08:37:12,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:37:12,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652239766] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:37:12,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:37:12,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-09-08 08:37:12,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794792389] [2024-09-08 08:37:12,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:37:12,478 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 08:37:12,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:12,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 08:37:12,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-09-08 08:37:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:12,482 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:12,482 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 08:37:12,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:12,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:12,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:12,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:12,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:12,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:12,963 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 08:37:13,151 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:13,152 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 08:37:13,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:13,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1225312364, now seen corresponding path program 5 times [2024-09-08 08:37:13,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:13,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371777268] [2024-09-08 08:37:13,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:13,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:15,370 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 08:37:15,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:15,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371777268] [2024-09-08 08:37:15,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371777268] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:37:15,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981578917] [2024-09-08 08:37:15,371 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-09-08 08:37:15,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:15,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:15,373 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 08:37:15,373 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 08:37:15,661 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-09-08 08:37:15,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:37:15,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 1046 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-09-08 08:37:15,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:37:15,913 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 08:37:15,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:37:16,157 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 08:37:16,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981578917] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:37:16,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:37:16,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2024-09-08 08:37:16,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516850784] [2024-09-08 08:37:16,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:37:16,158 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-09-08 08:37:16,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:16,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-09-08 08:37:16,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2024-09-08 08:37:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:16,160 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:16,160 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 08:37:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:16,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:18,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:18,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:37:18,721 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 08:37:18,907 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:18,908 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 08:37:18,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:18,909 INFO L85 PathProgramCache]: Analyzing trace with hash 25844216, now seen corresponding path program 6 times [2024-09-08 08:37:18,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:18,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927887117] [2024-09-08 08:37:18,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:18,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:19,542 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 08:37:19,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:19,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927887117] [2024-09-08 08:37:19,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927887117] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:37:19,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609640558] [2024-09-08 08:37:19,542 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-09-08 08:37:19,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:19,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:19,544 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 08:37:19,546 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 08:37:19,940 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2024-09-08 08:37:19,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-08 08:37:19,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-09-08 08:37:19,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:37:20,123 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 08:37:20,123 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-08 08:37:20,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609640558] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-08 08:37:20,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-08 08:37:20,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-09-08 08:37:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910152129] [2024-09-08 08:37:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-08 08:37:20,124 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 08:37:20,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:20,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 08:37:20,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-09-08 08:37:20,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:20,125 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:20,126 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 08:37:20,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:20,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:20,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:20,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:20,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:20,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-09-08 08:37:20,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-08 08:37:20,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:20,556 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 08:37:20,743 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,SelfDestructingSolverStorable6 [2024-09-08 08:37:20,744 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 08:37:20,744 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-08 08:37:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1127981844, now seen corresponding path program 7 times [2024-09-08 08:37:20,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-08 08:37:20,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432893656] [2024-09-08 08:37:20,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-08 08:37:20,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-08 08:37:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:21,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 114 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:37:21,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-08 08:37:21,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432893656] [2024-09-08 08:37:21,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432893656] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-08 08:37:21,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748796455] [2024-09-08 08:37:21,231 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-09-08 08:37:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:21,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-09-08 08:37:21,234 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 08:37:21,235 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 08:37:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-08 08:37:21,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-08 08:37:21,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-08 08:37:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 114 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:37:21,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-08 08:37:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1844 backedges. 114 proven. 1729 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-09-08 08:37:21,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748796455] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-08 08:37:21,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-08 08:37:21,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 22] total 23 [2024-09-08 08:37:21,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142941515] [2024-09-08 08:37:21,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-08 08:37:21,896 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-08 08:37:21,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-08 08:37:21,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-08 08:37:21,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-09-08 08:37:21,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:21,897 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-09-08 08:37:21,897 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 9.347826086956522) internal successors, (215), 23 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 08:37:21,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:21,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:21,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:21,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-09-08 08:37:21,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-09-08 08:37:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-09-08 08:37:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-08 08:37:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-08 08:37:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-08 08:37:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2024-09-08 08:37:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-09-08 08:37:28,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-09-08 08:37:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-09-08 08:37:28,277 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 3 remaining) [2024-09-08 08:37:28,277 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-09-08 08:37:28,277 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-09-08 08:37:28,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-08 08:37:28,481 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-08 08:37:28,486 INFO L408 BasicCegarLoop]: Path program histogram: [7, 1] [2024-09-08 08:37:28,488 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-09-08 08:37:28,488 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-08 08:37:28,490 INFO L469 ceAbstractionStarter]: Automizer considered 1 witness invariants [2024-09-08 08:37:28,490 INFO L470 ceAbstractionStarter]: WitnessConsidered=1 [2024-09-08 08:37:28,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 08:37:28 BasicIcfg [2024-09-08 08:37:28,491 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-08 08:37:28,491 INFO L158 Benchmark]: Toolchain (without parser) took 22240.46ms. Allocated memory was 144.7MB in the beginning and 509.6MB in the end (delta: 364.9MB). Free memory was 86.2MB in the beginning and 270.1MB in the end (delta: -183.9MB). Peak memory consumption was 182.7MB. Max. memory is 16.1GB. [2024-09-08 08:37:28,492 INFO L158 Benchmark]: Witness Parser took 0.45ms. Allocated memory is still 144.7MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:37:28,492 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 103.9MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-08 08:37:28,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 660.70ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 85.6MB in the end (delta: 603.6kB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-09-08 08:37:28,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.58ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 82.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 08:37:28,492 INFO L158 Benchmark]: Boogie Preprocessor took 22.77ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-08 08:37:28,493 INFO L158 Benchmark]: RCFGBuilder took 360.76ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 52.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-08 08:37:28,493 INFO L158 Benchmark]: TraceAbstraction took 21156.33ms. Allocated memory was 144.7MB in the beginning and 509.6MB in the end (delta: 364.9MB). Free memory was 51.4MB in the beginning and 270.1MB in the end (delta: -218.7MB). Peak memory consumption was 148.7MB. Max. memory is 16.1GB. [2024-09-08 08:37:28,494 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 0.45ms. Allocated memory is still 144.7MB. Free memory is still 107.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 144.7MB. Free memory was 104.0MB in the beginning and 103.9MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 660.70ms. Allocated memory is still 144.7MB. Free memory was 86.2MB in the beginning and 85.6MB in the end (delta: 603.6kB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.58ms. Allocated memory is still 144.7MB. Free memory was 85.6MB in the beginning and 82.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.77ms. Allocated memory is still 144.7MB. Free memory was 82.8MB in the beginning and 81.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.76ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 52.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 21156.33ms. Allocated memory was 144.7MB in the beginning and 509.6MB in the end (delta: 364.9MB). Free memory was 51.4MB in the beginning and 270.1MB in the end (delta: -218.7MB). Peak memory consumption was 148.7MB. 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: 28503, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 3041, dependent conditional: 3035, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27720, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 2258, dependent conditional: 2252, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27720, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 2258, dependent conditional: 2252, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43464, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 18002, dependent conditional: 17996, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43464, independent: 25462, independent conditional: 0, independent unconditional: 25462, dependent: 18002, dependent conditional: 763, dependent unconditional: 17239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43464, independent: 25462, independent conditional: 0, independent unconditional: 25462, dependent: 18002, dependent conditional: 763, dependent unconditional: 17239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 184, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 84, dependent conditional: 78, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 184, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 84, dependent conditional: 78, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 84, dependent conditional: 78, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 105, dependent conditional: 88, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43464, independent: 25362, independent conditional: 0, independent unconditional: 25362, dependent: 17918, dependent conditional: 685, dependent unconditional: 17233, unknown: 184, unknown conditional: 78, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 184, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 84, Negative conditional cache size: 78, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42567, Maximal queried relation: 8, Independence queries for same thread: 783, 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: 28503, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 3041, dependent conditional: 3035, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27720, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 2258, dependent conditional: 2252, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 27720, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 2258, dependent conditional: 2252, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43464, independent: 25462, independent conditional: 25334, independent unconditional: 128, dependent: 18002, dependent conditional: 17996, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43464, independent: 25462, independent conditional: 0, independent unconditional: 25462, dependent: 18002, dependent conditional: 763, dependent unconditional: 17239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43464, independent: 25462, independent conditional: 0, independent unconditional: 25462, dependent: 18002, dependent conditional: 763, dependent unconditional: 17239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 184, independent: 100, independent conditional: 0, independent unconditional: 100, dependent: 84, dependent conditional: 78, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 184, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 88, dependent conditional: 0, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 88, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 84, dependent conditional: 78, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 88, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 84, dependent conditional: 78, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 105, dependent conditional: 88, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 43464, independent: 25362, independent conditional: 0, independent unconditional: 25362, dependent: 17918, dependent conditional: 685, dependent unconditional: 17233, unknown: 184, unknown conditional: 78, unknown unconditional: 106] , Statistics on independence cache: Total cache size (in pairs): 184, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 84, Negative conditional cache size: 78, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 42567, Maximal queried relation: 8, Independence queries for same thread: 783 - 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: 21.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 10.8s, 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: 386, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 2094 NumberOfCodeBlocks, 2094 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 2684 ConstructedInterpolants, 0 QuantifiedInterpolants, 7657 SizeOfPredicates, 22 NumberOfNonLiveVariables, 5185 ConjunctsInSsa, 211 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 8246/21136 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 08:37:28,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-09-08 08:37:28,721 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE