/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 23:00:31,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 23:00:31,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 23:00:31,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 23:00:31,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 23:00:31,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 23:00:32,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 23:00:32,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 23:00:32,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 23:00:32,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 23:00:32,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 23:00:32,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 23:00:32,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 23:00:32,007 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 23:00:32,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 23:00:32,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 23:00:32,008 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 23:00:32,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 23:00:32,009 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 23:00:32,009 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 23:00:32,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 23:00:32,013 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 23:00:32,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 23:00:32,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 23:00:32,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 23:00:32,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 23:00:32,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 23:00:32,014 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 23:00:32,014 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 23:00:32,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 23:00:32,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:00:32,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 23:00:32,015 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 23:00:32,015 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 23:00:32,015 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 23:00:32,016 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 23:00:32,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 23:00:32,016 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 23:00:32,016 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 23:00:32,016 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 23:00:32,017 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 23:00:32,017 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 23:00:32,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 23:00:32,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 23:00:32,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 23:00:32,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 23:00:32,275 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 23:00:32,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-09-04 23:00:33,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 23:00:33,809 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 23:00:33,810 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-09-04 23:00:33,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f650374b/9524db737745416c86ded3bbb2936966/FLAG073533b8e [2023-09-04 23:00:33,845 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f650374b/9524db737745416c86ded3bbb2936966 [2023-09-04 23:00:33,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 23:00:33,848 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 23:00:33,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 23:00:33,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 23:00:33,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 23:00:33,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:00:33" (1/1) ... [2023-09-04 23:00:33,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38d41a67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:33, skipping insertion in model container [2023-09-04 23:00:33,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:00:33" (1/1) ... [2023-09-04 23:00:33,905 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 23:00:34,433 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-09-04 23:00:34,456 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-09-04 23:00:34,459 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-09-04 23:00:34,478 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:00:34,490 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 23:00:34,505 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [127] [2023-09-04 23:00:34,513 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [524] [2023-09-04 23:00:34,513 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [525] [2023-09-04 23:00:34,527 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-09-04 23:00:34,527 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1797] [2023-09-04 23:00:34,527 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1798] [2023-09-04 23:00:34,528 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1799] [2023-09-04 23:00:34,528 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1800] [2023-09-04 23:00:34,528 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1802] [2023-09-04 23:00:34,532 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1805] [2023-09-04 23:00:34,532 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1805] [2023-09-04 23:00:34,532 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1805] [2023-09-04 23:00:34,533 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1807] [2023-09-04 23:00:34,533 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1812] [2023-09-04 23:00:34,534 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1812] [2023-09-04 23:00:34,534 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1812] [2023-09-04 23:00:34,535 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1825] [2023-09-04 23:00:34,535 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1825] [2023-09-04 23:00:34,536 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1826] [2023-09-04 23:00:34,539 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1830] [2023-09-04 23:00:34,539 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1830] [2023-09-04 23:00:34,540 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1833] [2023-09-04 23:00:34,543 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1845] [2023-09-04 23:00:34,545 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1848] [2023-09-04 23:00:34,546 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1861] [2023-09-04 23:00:34,547 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1864] [2023-09-04 23:00:34,549 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1880] [2023-09-04 23:00:34,549 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1883] [2023-09-04 23:00:34,551 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1893] [2023-09-04 23:00:34,551 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1894] [2023-09-04 23:00:34,553 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1899] [2023-09-04 23:00:34,554 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-09-04 23:00:34,555 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1902] [2023-09-04 23:00:34,555 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1904] [2023-09-04 23:00:34,562 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-09-04 23:00:34,562 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1915] [2023-09-04 23:00:34,563 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1916] [2023-09-04 23:00:34,564 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1922] [2023-09-04 23:00:34,565 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: long [1926] [2023-09-04 23:00:34,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:00:34,669 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 23:00:34,669 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 23:00:34,673 INFO L206 MainTranslator]: Completed translation [2023-09-04 23:00:34,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34 WrapperNode [2023-09-04 23:00:34,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 23:00:34,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 23:00:34,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 23:00:34,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 23:00:34,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,768 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1844 [2023-09-04 23:00:34,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 23:00:34,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 23:00:34,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 23:00:34,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 23:00:34,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,880 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 23:00:34,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 23:00:34,909 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 23:00:34,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 23:00:34,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (1/1) ... [2023-09-04 23:00:34,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:00:34,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:00:34,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-04 23:00:34,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-04 23:00:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-09-04 23:00:34,981 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-09-04 23:00:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 23:00:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 23:00:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 23:00:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 23:00:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-09-04 23:00:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 23:00:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-09-04 23:00:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 23:00:34,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 23:00:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 23:00:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-09-04 23:00:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 23:00:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 23:00:34,984 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 23:00:35,258 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 23:00:35,260 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 23:00:36,686 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 23:00:36,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 23:00:36,986 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-09-04 23:00:36,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:00:36 BoogieIcfgContainer [2023-09-04 23:00:36,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 23:00:36,993 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 23:00:36,994 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 23:00:36,996 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 23:00:36,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:00:33" (1/3) ... [2023-09-04 23:00:36,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@872ce50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:00:36, skipping insertion in model container [2023-09-04 23:00:36,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:34" (2/3) ... [2023-09-04 23:00:36,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@872ce50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:00:36, skipping insertion in model container [2023-09-04 23:00:36,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:00:36" (3/3) ... [2023-09-04 23:00:36,999 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2023-09-04 23:00:37,007 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 23:00:37,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 23:00:37,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-09-04 23:00:37,016 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 23:00:37,178 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-09-04 23:00:37,239 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:00:37,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 23:00:37,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:00:37,245 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-04 23:00:37,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-04 23:00:37,303 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 23:00:37,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 23:00:37,317 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@65c6959d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:00:37,317 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 23:00:37,376 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-04 23:00:37,380 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:00:37,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1234186217, now seen corresponding path program 1 times [2023-09-04 23:00:37,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:00:37,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022379991] [2023-09-04 23:00:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:00:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:00:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:00:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-04 23:00:38,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:00:38,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022379991] [2023-09-04 23:00:38,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022379991] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:00:38,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1578775995] [2023-09-04 23:00:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:00:38,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:00:38,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:00:38,259 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:00:38,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-04 23:00:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:00:38,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 4 conjunts are in the unsatisfiable core [2023-09-04 23:00:38,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:00:38,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-04 23:00:38,537 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:00:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-09-04 23:00:38,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1578775995] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:00:38,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:00:38,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-09-04 23:00:38,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821546848] [2023-09-04 23:00:38,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:00:38,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-04 23:00:38,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:00:38,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-04 23:00:38,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-09-04 23:00:38,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:00:38,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:00:38,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 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) [2023-09-04 23:00:38,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 23:00:38,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 23:00:38,750 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-04 23:00:38,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-09-04 23:00:38,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-04 23:00:38,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:00:38,947 INFO L85 PathProgramCache]: Analyzing trace with hash 135319310, now seen corresponding path program 2 times [2023-09-04 23:00:38,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:00:38,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749675352] [2023-09-04 23:00:38,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:00:38,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:00:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 23:00:39,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-09-04 23:00:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-09-04 23:00:39,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-09-04 23:00:39,108 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-09-04 23:00:39,109 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2023-09-04 23:00:39,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-04 23:00:39,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2023-09-04 23:00:39,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-09-04 23:00:39,110 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2023-09-04 23:00:39,111 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2023-09-04 23:00:39,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 23:00:39,114 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2023-09-04 23:00:39,115 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-09-04 23:00:39,115 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-09-04 23:00:39,315 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-04 23:00:39,331 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:00:39,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 23:00:39,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:00:39,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-04 23:00:39,344 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 23:00:39,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 23:00:39,345 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@65c6959d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:00:39,346 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 23:00:39,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2023-09-04 23:00:39,381 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-04 23:00:39,381 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:00:39,381 INFO L85 PathProgramCache]: Analyzing trace with hash -387262536, now seen corresponding path program 1 times [2023-09-04 23:00:39,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:00:39,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145373240] [2023-09-04 23:00:39,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:00:39,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:00:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:00:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-04 23:00:39,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:00:39,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145373240] [2023-09-04 23:00:39,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145373240] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:00:39,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452704398] [2023-09-04 23:00:39,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:00:39,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:00:39,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:00:39,630 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:00:39,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-04 23:00:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:00:39,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 4 conjunts are in the unsatisfiable core [2023-09-04 23:00:39,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:00:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-04 23:00:39,870 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:00:39,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-09-04 23:00:39,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452704398] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:00:39,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:00:39,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2023-09-04 23:00:39,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158790132] [2023-09-04 23:00:39,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:00:39,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-04 23:00:39,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:00:39,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-04 23:00:39,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-09-04 23:00:39,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:00:39,908 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:00:39,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.2) internal successors, (102), 10 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-04 23:00:39,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 23:00:40,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-09-04 23:00:40,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-04 23:00:40,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:00:40,215 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-09-04 23:00:40,215 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:00:40,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1208369060, now seen corresponding path program 2 times [2023-09-04 23:00:40,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:00:40,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071691401] [2023-09-04 23:00:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:00:40,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:00:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:00:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-09-04 23:00:40,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:00:40,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071691401] [2023-09-04 23:00:40,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071691401] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:00:40,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125538893] [2023-09-04 23:00:40,507 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-04 23:00:40,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:00:40,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:00:40,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-04 23:00:40,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-04 23:00:40,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-04 23:00:40,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-04 23:00:40,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-04 23:00:40,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:00:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2023-09-04 23:00:40,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-09-04 23:00:40,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125538893] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 23:00:40,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-09-04 23:00:40,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2023-09-04 23:00:40,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129399878] [2023-09-04 23:00:40,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:00:40,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-04 23:00:40,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:00:40,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-04 23:00:40,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-09-04 23:00:40,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:00:40,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:00:40,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.571428571428571) internal successors, (95), 7 states have internal predecessors, (95), 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) [2023-09-04 23:00:40,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-09-04 23:00:40,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-04 23:05:13,861 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 23:05:13,861 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 23:05:13,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 23:05:13,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 23:05:14,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-09-04 23:05:14,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:05:14,275 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-04 23:05:14,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2023-09-04 23:05:14,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2023-09-04 23:05:14,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2023-09-04 23:05:14,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2023-09-04 23:05:14,276 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2023-09-04 23:05:14,276 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2023-09-04 23:05:14,290 INFO L445 BasicCegarLoop]: Path program histogram: [2] [2023-09-04 23:05:14,292 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2023-09-04 23:05:14,292 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 23:05:14,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 11:05:14 BasicIcfg [2023-09-04 23:05:14,298 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 23:05:14,299 INFO L158 Benchmark]: Toolchain (without parser) took 280450.26ms. Allocated memory was 162.5MB in the beginning and 382.7MB in the end (delta: 220.2MB). Free memory was 114.3MB in the beginning and 179.6MB in the end (delta: -65.3MB). Peak memory consumption was 310.4MB. Max. memory is 7.0GB. [2023-09-04 23:05:14,300 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 162.5MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 23:05:14,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 825.49ms. Allocated memory was 162.5MB in the beginning and 227.5MB in the end (delta: 65.0MB). Free memory was 114.3MB in the beginning and 169.9MB in the end (delta: -55.6MB). Peak memory consumption was 47.0MB. Max. memory is 7.0GB. [2023-09-04 23:05:14,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.35ms. Allocated memory is still 227.5MB. Free memory was 169.4MB in the beginning and 159.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 7.0GB. [2023-09-04 23:05:14,300 INFO L158 Benchmark]: Boogie Preprocessor took 138.63ms. Allocated memory is still 227.5MB. Free memory was 159.4MB in the beginning and 150.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 7.0GB. [2023-09-04 23:05:14,301 INFO L158 Benchmark]: RCFGBuilder took 2081.08ms. Allocated memory is still 227.5MB. Free memory was 150.9MB in the beginning and 146.3MB in the end (delta: 4.6MB). Peak memory consumption was 104.9MB. Max. memory is 7.0GB. [2023-09-04 23:05:14,301 INFO L158 Benchmark]: TraceAbstraction took 277304.12ms. Allocated memory was 227.5MB in the beginning and 382.7MB in the end (delta: 155.2MB). Free memory was 145.2MB in the beginning and 179.6MB in the end (delta: -34.4MB). Peak memory consumption was 276.0MB. Max. memory is 7.0GB. [2023-09-04 23:05:14,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 162.5MB. Free memory is still 116.8MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 825.49ms. Allocated memory was 162.5MB in the beginning and 227.5MB in the end (delta: 65.0MB). Free memory was 114.3MB in the beginning and 169.9MB in the end (delta: -55.6MB). Peak memory consumption was 47.0MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 94.35ms. Allocated memory is still 227.5MB. Free memory was 169.4MB in the beginning and 159.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 7.0GB. * Boogie Preprocessor took 138.63ms. Allocated memory is still 227.5MB. Free memory was 159.4MB in the beginning and 150.9MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 7.0GB. * RCFGBuilder took 2081.08ms. Allocated memory is still 227.5MB. Free memory was 150.9MB in the beginning and 146.3MB in the end (delta: 4.6MB). Peak memory consumption was 104.9MB. Max. memory is 7.0GB. * TraceAbstraction took 277304.12ms. Allocated memory was 227.5MB in the beginning and 382.7MB in the end (delta: 155.2MB). Free memory was 145.2MB in the beginning and 179.6MB in the end (delta: -34.4MB). Peak memory consumption was 276.0MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 127]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [127] - GenericResultAtLocation [Line: 524]: Unsoundness Warning unspecified type, defaulting to int C: short [524] - GenericResultAtLocation [Line: 525]: Unsoundness Warning unspecified type, defaulting to int C: short [525] - GenericResultAtLocation [Line: 1797]: Unsoundness Warning unspecified type, defaulting to int C: long [1797] - GenericResultAtLocation [Line: 1798]: Unsoundness Warning unspecified type, defaulting to int C: long [1798] - GenericResultAtLocation [Line: 1799]: Unsoundness Warning unspecified type, defaulting to int C: long [1799] - GenericResultAtLocation [Line: 1800]: Unsoundness Warning unspecified type, defaulting to int C: long [1800] - GenericResultAtLocation [Line: 1802]: Unsoundness Warning unspecified type, defaulting to int C: long [1802] - GenericResultAtLocation [Line: 1805]: Unsoundness Warning unspecified type, defaulting to int C: long [1805] - GenericResultAtLocation [Line: 1805]: Unsoundness Warning unspecified type, defaulting to int C: long [1805] - GenericResultAtLocation [Line: 1805]: Unsoundness Warning unspecified type, defaulting to int C: long [1805] - GenericResultAtLocation [Line: 1807]: Unsoundness Warning unspecified type, defaulting to int C: long [1807] - GenericResultAtLocation [Line: 1812]: Unsoundness Warning unspecified type, defaulting to int C: long [1812] - GenericResultAtLocation [Line: 1812]: Unsoundness Warning unspecified type, defaulting to int C: long [1812] - GenericResultAtLocation [Line: 1812]: Unsoundness Warning unspecified type, defaulting to int C: long [1812] - GenericResultAtLocation [Line: 1825]: Unsoundness Warning unspecified type, defaulting to int C: long [1825] - GenericResultAtLocation [Line: 1825]: Unsoundness Warning unspecified type, defaulting to int C: long [1825] - GenericResultAtLocation [Line: 1826]: Unsoundness Warning unspecified type, defaulting to int C: long [1826] - GenericResultAtLocation [Line: 1830]: Unsoundness Warning unspecified type, defaulting to int C: long [1830] - GenericResultAtLocation [Line: 1830]: Unsoundness Warning unspecified type, defaulting to int C: long [1830] - GenericResultAtLocation [Line: 1833]: Unsoundness Warning unspecified type, defaulting to int C: long [1833] - GenericResultAtLocation [Line: 1845]: Unsoundness Warning unspecified type, defaulting to int C: long [1845] - GenericResultAtLocation [Line: 1848]: Unsoundness Warning unspecified type, defaulting to int C: long [1848] - GenericResultAtLocation [Line: 1861]: Unsoundness Warning unspecified type, defaulting to int C: long [1861] - GenericResultAtLocation [Line: 1864]: Unsoundness Warning unspecified type, defaulting to int C: long [1864] - GenericResultAtLocation [Line: 1880]: Unsoundness Warning unspecified type, defaulting to int C: long [1880] - GenericResultAtLocation [Line: 1883]: Unsoundness Warning unspecified type, defaulting to int C: long [1883] - GenericResultAtLocation [Line: 1893]: Unsoundness Warning unspecified type, defaulting to int C: long [1893] - GenericResultAtLocation [Line: 1894]: Unsoundness Warning unspecified type, defaulting to int C: long [1894] - GenericResultAtLocation [Line: 1899]: Unsoundness Warning unspecified type, defaulting to int C: long [1899] - GenericResultAtLocation [Line: 1902]: Unsoundness Warning unspecified type, defaulting to int C: long [1902] - GenericResultAtLocation [Line: 1904]: Unsoundness Warning unspecified type, defaulting to int C: long [1904] - GenericResultAtLocation [Line: 1915]: Unsoundness Warning unspecified type, defaulting to int C: long [1915] - GenericResultAtLocation [Line: 1916]: Unsoundness Warning unspecified type, defaulting to int C: long [1916] - GenericResultAtLocation [Line: 1922]: Unsoundness Warning unspecified type, defaulting to int C: long [1922] - GenericResultAtLocation [Line: 1926]: Unsoundness Warning unspecified type, defaulting to int C: long [1926] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 2 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 1 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 19045, independent: 18656, independent conditional: 18656, independent unconditional: 0, dependent: 389, dependent conditional: 389, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18661, independent: 18656, independent conditional: 18656, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 18661, independent: 18656, independent conditional: 18656, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18671, independent: 18656, independent conditional: 0, independent unconditional: 18656, dependent: 15, dependent conditional: 10, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 18671, independent: 18656, independent conditional: 0, independent unconditional: 18656, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 18671, independent: 18656, independent conditional: 0, independent unconditional: 18656, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18661, independent: 18656, independent conditional: 0, independent unconditional: 18656, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18661, independent: 18655, independent conditional: 0, independent unconditional: 18655, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 33, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 18671, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 18661, unknown conditional: 0, unknown unconditional: 18661] , Statistics on independence cache: Total cache size (in pairs): 18661, Positive cache size: 18656, Positive conditional cache size: 0, Positive unconditional cache size: 18656, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 2, Independence queries for same thread: 384 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 2 - TimeoutResultAtElement [Line: 1793]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 1914]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 1900]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 1914]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 1900]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 1952]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 1659 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 312 SizeOfPredicates, 2 NumberOfNonLiveVariables, 290 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 15/18 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 1795 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 275.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 273.3s, 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: 18, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 434 NumberOfCodeBlocks, 434 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 524 ConstructedInterpolants, 0 QuantifiedInterpolants, 668 SizeOfPredicates, 6 NumberOfNonLiveVariables, 724 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 206/219 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown